Difference between gram positive cocci & gram negative bacilli?
Q. Whats the difference between gram positive cocci and gram negative bacilli regarding their growth patterns on: 1.TSA or SBS 2.EMB or MAC 3.Enterococcal media (assuming some of the organisms are Neisseria/Spirochetes and Urine cultures)
Asked by xoxo_lola_21 - Wed Nov 5 10:41:32 2008 - - 1 Answers - 0 Comments
A. TSA is an Undefined media and will grow a large number of things. This is usually used for an overall evaluation of quantity present, not for differentiation. SBS is Brilliant Green Agar with Sulfapyridine. This is a differential media that will only grow Salmonella spp. (Gram negative rods) EMB is Eosin Methylene Blue Agar is used to grown coliforms (Gram negatives). In this media a pH indicator shows the reduction of peptone, helping to distinguish the different coliforms. MAC is MacConkey's Agar. This media will only grow Gram negative bacteria. Also included is a pH indicator allowing for the differentiation of S. areus. Enterococcal media is used to only grow Gram positive cocci. You can match up the organisms if you know a… [cont.]
Answered by moerisss - Sat Nov 8 13:27:31 2008
Q. Whats the difference between gram positive cocci and gram negative bacilli regarding their growth patterns on: 1.TSA or SBS 2.EMB or MAC 3.Enterococcal media (assuming some of the organisms are Neisseria/Spirochetes and Urine cultures)
Asked by xoxo_lola_21 - Wed Nov 5 10:41:32 2008 - - 1 Answers - 0 Comments
A. TSA is an Undefined media and will grow a large number of things. This is usually used for an overall evaluation of quantity present, not for differentiation. SBS is Brilliant Green Agar with Sulfapyridine. This is a differential media that will only grow Salmonella spp. (Gram negative rods) EMB is Eosin Methylene Blue Agar is used to grown coliforms (Gram negatives). In this media a pH indicator shows the reduction of peptone, helping to distinguish the different coliforms. MAC is MacConkey's Agar. This media will only grow Gram negative bacteria. Also included is a pH indicator allowing for the differentiation of S. areus. Enterococcal media is used to only grow Gram positive cocci. You can match up the organisms if you know a… [cont.]
Answered by moerisss - Sat Nov 8 13:27:31 2008
Gram negative turns to gram positive after a few day?
Q. I tested an unknown bacteria sample last week, and my 3 initial gram tests showed a gram negative cocci. After reviewing the different tests I made during the last few days and came with some inconsistent data, my teacher recommended I redo the gram test. To my disbelief it came out positive. Has anybody ever experienced this before? I tried to check online but could not find any answers. Is there a specific bacteria that could exhibit such a behavior? Thanks a lot!
Asked by jailordi - Tue Jun 22 22:09:26 2010 - - 2 Answers - 0 Comments
Q. I tested an unknown bacteria sample last week, and my 3 initial gram tests showed a gram negative cocci. After reviewing the different tests I made during the last few days and came with some inconsistent data, my teacher recommended I redo the gram test. To my disbelief it came out positive. Has anybody ever experienced this before? I tried to check online but could not find any answers. Is there a specific bacteria that could exhibit such a behavior? Thanks a lot!
Asked by jailordi - Tue Jun 22 22:09:26 2010 - - 2 Answers - 0 Comments
Are Gram negative cocci harmless to human?
Q. I have identified them to be gram negative and react vigorously with hydrogen peroxide. Thats how far I have tested the colony. Any suggestion for further test to get closer to naming it. Bear in mind I am only in a school laboratory, not a sophisticated medical lab where all the equipments are available for extensive research.
Asked by wink L - Thu Mar 29 16:24:48 2007 - - 3 Answers - 0 Comments
A. No. Many bacteria that are G- cocci are either pathogenic or are opportunistic pathogens. Some common examples are (for simplicity, I will only list the Genus): Alcaligenes, Neisseria, Pseudomonas, Legionella and Francisella to name a few. I'd try each of the following tests: urease, oxidase, DNAse, Mannitol Salt Agar, and a stab test would be useful and simple. Roughly 20% of G- cocci are anaerobic so that will immediately help differentiate your sample. As always, some of your best data can be obtained from examination of the morphological characteristics (colony size (small, scattered, concentrated...), shape (singles, diads, triads, tetrads, chains...), color (white, pearl, translucent...), odor (pungent, musky,...). Hope this… [cont.]
Answered by HP - Thu Mar 29 18:35:50 2007
Q. I have identified them to be gram negative and react vigorously with hydrogen peroxide. Thats how far I have tested the colony. Any suggestion for further test to get closer to naming it. Bear in mind I am only in a school laboratory, not a sophisticated medical lab where all the equipments are available for extensive research.
Asked by wink L - Thu Mar 29 16:24:48 2007 - - 3 Answers - 0 Comments
A. No. Many bacteria that are G- cocci are either pathogenic or are opportunistic pathogens. Some common examples are (for simplicity, I will only list the Genus): Alcaligenes, Neisseria, Pseudomonas, Legionella and Francisella to name a few. I'd try each of the following tests: urease, oxidase, DNAse, Mannitol Salt Agar, and a stab test would be useful and simple. Roughly 20% of G- cocci are anaerobic so that will immediately help differentiate your sample. As always, some of your best data can be obtained from examination of the morphological characteristics (colony size (small, scattered, concentrated...), shape (singles, diads, triads, tetrads, chains...), color (white, pearl, translucent...), odor (pungent, musky,...). Hope this… [cont.]
Answered by HP - Thu Mar 29 18:35:50 2007
Name any gram negative cocci?
Q. Name any gram negative cocci?
Asked by Jen - Wed Apr 25 18:44:35 2007 - - 2 Answers - 0 Comments
A. There are a few, but some of the more common or relevant ones include: Neisseria gonorrhoeae - an STD Neisseria meningitidis - Meningitis Moraxella catarrhalis - Respiratory complications Others: Veillonella Acidaminococcus Megasphera
Answered by Nergal - Wed Apr 25 19:06:39 2007
Q. Name any gram negative cocci?
Asked by Jen - Wed Apr 25 18:44:35 2007 - - 2 Answers - 0 Comments
A. There are a few, but some of the more common or relevant ones include: Neisseria gonorrhoeae - an STD Neisseria meningitidis - Meningitis Moraxella catarrhalis - Respiratory complications Others: Veillonella Acidaminococcus Megasphera
Answered by Nergal - Wed Apr 25 19:06:39 2007
gram negative unknown bacteria?
Q. what gram negative cocci bacteria has gram positive characteristics? when i did a grams stain for my unknown i got all purple coccus looking bacteria from a mixed cultured of bacteria growing on a bhi agar plate. the bacteria wouldn't grow on nutrient agar or macconkey agar... please help : (
Asked by mthstasia - Thu Apr 30 23:27:28 2009 - - 2 Answers - 0 Comments
A. If it stained positive and wouldn't grow on MacConkey, it probably isn't a Gram negative.
Answered by Weise Ente - Thu Apr 30 23:37:38 2009
Q. what gram negative cocci bacteria has gram positive characteristics? when i did a grams stain for my unknown i got all purple coccus looking bacteria from a mixed cultured of bacteria growing on a bhi agar plate. the bacteria wouldn't grow on nutrient agar or macconkey agar... please help : (
Asked by mthstasia - Thu Apr 30 23:27:28 2009 - - 2 Answers - 0 Comments
A. If it stained positive and wouldn't grow on MacConkey, it probably isn't a Gram negative.
Answered by Weise Ente - Thu Apr 30 23:37:38 2009
source with finding of few from gram negative diplococci intracellular and extracellular?
Q. what source with findings of few gram negative diplococci intracellular and extracellular , also a result of few from gram negative in chain and a result of occasional from gram positive cocci
Asked by be - Thu Mar 18 22:16:26 2010 - - 1 Answers - 0 Comments
Q. what source with findings of few gram negative diplococci intracellular and extracellular , also a result of few from gram negative in chain and a result of occasional from gram positive cocci
Asked by be - Thu Mar 18 22:16:26 2010 - - 1 Answers - 0 Comments
Gram stain and nongonococcal urethritis?
Q. Suppose a Gram stain of a specimen shows many inflammatory cells and numerous gram-negative cocci. Does this finding rule out nongonococcal urethritis? Explain
Asked by dkang - Sat Nov 28 03:52:31 2009 - - 1 Answers - 0 Comments
A. Symptoms The symptoms of urethritis can include pain or a burning sensation upon urination (dysuria), a white/cloudy discharge and a feeling that one needs to pass urine frequently. For men the signs and symptoms are discharge from the penis, burning or pain when urinating, itching, irritation, or tenderness, and underwear stain. In women the signs and symptoms are discharge from vagina, burning or pain when urinating, anal or oral infections, abdominal pain or abnormal vaginal bleeding may be an indication that the infection has progressed to Pelvic Inflammatory Disease. However, men are frequently, and women are occasionally, asymptomatic.[citation needed] Diagnosis Historically, it has been easy to test for the presence of gonorrhea… [cont.]
Answered by NextRightGuy - Sat Nov 28 07:35:27 2009
Q. Suppose a Gram stain of a specimen shows many inflammatory cells and numerous gram-negative cocci. Does this finding rule out nongonococcal urethritis? Explain
Asked by dkang - Sat Nov 28 03:52:31 2009 - - 1 Answers - 0 Comments
A. Symptoms The symptoms of urethritis can include pain or a burning sensation upon urination (dysuria), a white/cloudy discharge and a feeling that one needs to pass urine frequently. For men the signs and symptoms are discharge from the penis, burning or pain when urinating, itching, irritation, or tenderness, and underwear stain. In women the signs and symptoms are discharge from vagina, burning or pain when urinating, anal or oral infections, abdominal pain or abnormal vaginal bleeding may be an indication that the infection has progressed to Pelvic Inflammatory Disease. However, men are frequently, and women are occasionally, asymptomatic.[citation needed] Diagnosis Historically, it has been easy to test for the presence of gonorrhea… [cont.]
Answered by NextRightGuy - Sat Nov 28 07:35:27 2009
Why would a colony appear to have a mixture of Gram negative and Gram positive bacteria?
Q. Please help me with a lab assignment I am really struggling with! I was assigned a mixture of two unknown species of bacteria... I plated this onto a TSA plate and incubated that for 48 hours. I then took a sample from an isolated colony from the plate, Gram stained it, and observed what looked like Gram negative rods mixed in with some Gram positive cocci!!! I don't understand why there appears to be two species of bacteria coming from one colony! I considered Endospores, but the problem with that seems to be that according to the list of possible species in our mix, none of the Gram negative bacteria we were assigned produce Endospores!!! I am sooo lost!! please help!!! Any ideas?! Any other tests I could do to figure out… [cont.]
Asked by Ryan O - Sun Mar 28 22:29:51 2010 - - 2 Answers - 0 Comments
A. So replate everything on to PEA and MAC... and go from there. Might be contamination might not be... never know. Try to supress the growth of one and get one big one. I had the same thing happen to me once... a yeasty beasty was hanging out underneath a staph... wouldnt have seen it with out doing a wet prep first... also depends on how fastidious the organism is and the age of it...
Answered by Kathryn - Mon Mar 29 19:29:35 2010
Q. Please help me with a lab assignment I am really struggling with! I was assigned a mixture of two unknown species of bacteria... I plated this onto a TSA plate and incubated that for 48 hours. I then took a sample from an isolated colony from the plate, Gram stained it, and observed what looked like Gram negative rods mixed in with some Gram positive cocci!!! I don't understand why there appears to be two species of bacteria coming from one colony! I considered Endospores, but the problem with that seems to be that according to the list of possible species in our mix, none of the Gram negative bacteria we were assigned produce Endospores!!! I am sooo lost!! please help!!! Any ideas?! Any other tests I could do to figure out… [cont.]
Asked by Ryan O - Sun Mar 28 22:29:51 2010 - - 2 Answers - 0 Comments
A. So replate everything on to PEA and MAC... and go from there. Might be contamination might not be... never know. Try to supress the growth of one and get one big one. I had the same thing happen to me once... a yeasty beasty was hanging out underneath a staph... wouldnt have seen it with out doing a wet prep first... also depends on how fastidious the organism is and the age of it...
Answered by Kathryn - Mon Mar 29 19:29:35 2010
How can i figure out what this gram positive cocci unknown is by doing these test results?
Q. the results of these tests were either positive or negative: amylase - catalase + nitrate reduction - GLUCOSE + LACTOSE - SUCROSE + INDOLE - EMB - i have to find out what the unknown is by using these test results...do you know how i can find it? i know its staphylococcus but i dont know if its aureus or epidermidis we have a list of possibilities but how do i find which staph it is? thanks!
Asked by Holly D - Sat Nov 22 22:55:53 2008 - - 1 Answers - 0 Comments
A. Wait a minute. Didn't you ask this question a few days ago? And didn't I tell you to look at a list of all gram+ cocci that are amylase neg, all gram + cocci that are catalase pos and keep going through your results and that the bacterium you're looking for is the one on all 8 lists?
Answered by TweetyBird - Sun Nov 23 00:20:03 2008
Q. the results of these tests were either positive or negative: amylase - catalase + nitrate reduction - GLUCOSE + LACTOSE - SUCROSE + INDOLE - EMB - i have to find out what the unknown is by using these test results...do you know how i can find it? i know its staphylococcus but i dont know if its aureus or epidermidis we have a list of possibilities but how do i find which staph it is? thanks!
Asked by Holly D - Sat Nov 22 22:55:53 2008 - - 1 Answers - 0 Comments
A. Wait a minute. Didn't you ask this question a few days ago? And didn't I tell you to look at a list of all gram+ cocci that are amylase neg, all gram + cocci that are catalase pos and keep going through your results and that the bacterium you're looking for is the one on all 8 lists?
Answered by TweetyBird - Sun Nov 23 00:20:03 2008
what is this Gram positive cocci bacteria?
Q. So far I know... FTM: Facultative Aerobe Motility: Negative Catalase: Positive MR: Negative VP: Negative pr tubes: Glucose: positive Lactose: Positive Mannitol: Negative Can anyone help me out with this? I'm really confused on this one, ran some tests twice!
Asked by Brandey - Wed Nov 18 18:17:51 2009 - - 1 Answers - 0 Comments
A. Staphylococcus epidermidis
Answered by Alone GuY - Wed Nov 18 18:27:40 2009
Q. So far I know... FTM: Facultative Aerobe Motility: Negative Catalase: Positive MR: Negative VP: Negative pr tubes: Glucose: positive Lactose: Positive Mannitol: Negative Can anyone help me out with this? I'm really confused on this one, ran some tests twice!
Asked by Brandey - Wed Nov 18 18:17:51 2009 - - 1 Answers - 0 Comments
A. Staphylococcus epidermidis
Answered by Alone GuY - Wed Nov 18 18:27:40 2009
Classify these Bacteria as BAcillus, Coccus, or Spinillus, Gram Positive or Negative?
Q. I am working on a homework assignment due in a few days, and I have to classify bacteria. I need to find things like the diseases they cause, symptoms, treatments, transmission, etc. If you could supply these answers that would be great, but I have the most trouble finding if they are a bacillus, coccus, or spinillus, as well as if they are gram positive or negative. Could you please classify the following bacteria? E. Coli Neisseria Meningitidis Neisseria Gonorrhoeae Enterococcus Faecium Staphylococcus Pyogenes Streptococcus Pyogenes Streptococcus Sanguis Streptococcus Pneumoniae Capnocytophaga Sputigena Clostridium Botulinum Listeria Monocytogenes Mycobacterium Tuberculosis Salmonella Enteritidis Samonella Tuphimurium Shigella Sonnei… [cont.]
Asked by curious dude - Thu Mar 25 03:08:16 2010 - - 1 Answers - 0 Comments
A. E. coli -NB Neisseria meningitidis-NC Neisseria gonorrhoeae-NC Enterococcus faecium-NB Staphylococcus pyogenes-PC Streptococcus pyogenes-PC Streptococcus sanguis-PC Streptococcus pneumoniae-PC Capnocytophaga sputigena-NB Clostridium botulinum-PB Listeria monocytogenes-PB Mycobacterium tuberculosis-PB Salmonella enteritidis-NB SaLmonella typhimurium-NB Shigella sonnei-NB Yersinia pestis-NB Bacillus anthracis-PB Clostridium tetani-PB Corynebacterium diptheriae-PB Haemophilius influenzae-NB Where N=Gram negative P=Gram positive C=Coccus B=Bacillus
Answered by Ski rkae - Thu Mar 25 04:08:28 2010
Q. I am working on a homework assignment due in a few days, and I have to classify bacteria. I need to find things like the diseases they cause, symptoms, treatments, transmission, etc. If you could supply these answers that would be great, but I have the most trouble finding if they are a bacillus, coccus, or spinillus, as well as if they are gram positive or negative. Could you please classify the following bacteria? E. Coli Neisseria Meningitidis Neisseria Gonorrhoeae Enterococcus Faecium Staphylococcus Pyogenes Streptococcus Pyogenes Streptococcus Sanguis Streptococcus Pneumoniae Capnocytophaga Sputigena Clostridium Botulinum Listeria Monocytogenes Mycobacterium Tuberculosis Salmonella Enteritidis Samonella Tuphimurium Shigella Sonnei… [cont.]
Asked by curious dude - Thu Mar 25 03:08:16 2010 - - 1 Answers - 0 Comments
A. E. coli -NB Neisseria meningitidis-NC Neisseria gonorrhoeae-NC Enterococcus faecium-NB Staphylococcus pyogenes-PC Streptococcus pyogenes-PC Streptococcus sanguis-PC Streptococcus pneumoniae-PC Capnocytophaga sputigena-NB Clostridium botulinum-PB Listeria monocytogenes-PB Mycobacterium tuberculosis-PB Salmonella enteritidis-NB SaLmonella typhimurium-NB Shigella sonnei-NB Yersinia pestis-NB Bacillus anthracis-PB Clostridium tetani-PB Corynebacterium diptheriae-PB Haemophilius influenzae-NB Where N=Gram negative P=Gram positive C=Coccus B=Bacillus
Answered by Ski rkae - Thu Mar 25 04:08:28 2010
Can anyone help me with this MICROBIOLOGY question?
Q. I did a test for my unknown and got a gram negative cocci when it should have been a gram negative rod. I kept doing the same procedure a couple times and couldn't get a rod.. so my professor said its fine and to work with that. now I want to know why it was a cocci instead of rod? any ideas will be great!!! thanks
Asked by lucky me - Sun May 31 05:50:56 2009 - - 1 Answers - 0 Comments
A. May be a contaminant or you were given the wrong sample to test.
Answered by nighteam - Sun May 31 05:59:46 2009
Q. I did a test for my unknown and got a gram negative cocci when it should have been a gram negative rod. I kept doing the same procedure a couple times and couldn't get a rod.. so my professor said its fine and to work with that. now I want to know why it was a cocci instead of rod? any ideas will be great!!! thanks
Asked by lucky me - Sun May 31 05:50:56 2009 - - 1 Answers - 0 Comments
A. May be a contaminant or you were given the wrong sample to test.
Answered by nighteam - Sun May 31 05:59:46 2009
What is the Gram morphology of these genera: Aeromonas, Campylobacter, Pasteurella?
Q. I need to know if these are gram negative or postive, and if it is either a bacillus or coccus . This is dealing with microbiology
Asked by bleubutterfly - Thu Apr 24 12:37:36 2008 - - 1 Answers - 1 Comments
A. Aeromonas - Gram Negative & rod shaped Campylobacter - Gram-negative & rod shaped Pasteurella are Gram-negative, non-motile, facultatively anaerobic coccobacilli
Answered by Just Say No To McSame - Thu Apr 24 12:47:05 2008
Q. I need to know if these are gram negative or postive, and if it is either a bacillus or coccus . This is dealing with microbiology
Asked by bleubutterfly - Thu Apr 24 12:37:36 2008 - - 1 Answers - 1 Comments
A. Aeromonas - Gram Negative & rod shaped Campylobacter - Gram-negative & rod shaped Pasteurella are Gram-negative, non-motile, facultatively anaerobic coccobacilli
Answered by Just Say No To McSame - Thu Apr 24 12:47:05 2008
Unknown bacteria identification gram negative orange colony growth?
Q. I swabbed the womens restroom hand dryer and grew a bacterium which i have to identify. It is definitely gram negative but I am not sure if it is coccus or coccobaccilus. Optimal temp: 30C, didnt grow @ 44C, grew moderately at 25C and 37C. Morphology: circular glossy bright orange colonies on agar dish, small in diameter, took longer to grow than most of my classmates. Strict/ obligate aerobe. Did not break down sucrose, mannitose, nor dextrose. Casease negative, urease negative, DNase negative. Please throw out any possible bacteria you think it could possibly be... I don't even know where to start and I am currently LOST in Bergey's manual!
Asked by Carmelita - Sun Oct 14 19:44:31 2007 - - 2 Answers - 0 Comments
A. Bergey's manual is REALLY easy to figure out, because you have plenty of tests you have already done. The first thing I would suggest you do, is try to figure out the shape again... Is is bacillus, or coccus? That determines A LOT in that manual... try doing the test again if you can. After you know that, the biggest determiner that helps you is that the bacterium is a Obligate aerobe. Look under the section that has JUST those specific characteristics, and try to match up as MANY of the other tests you preformed as you can. If you really are still stuck... ask your professor or lab T.A. They should be able to point you in a better direction.
Answered by theviolet41 - Sun Oct 14 20:21:35 2007
Q. I swabbed the womens restroom hand dryer and grew a bacterium which i have to identify. It is definitely gram negative but I am not sure if it is coccus or coccobaccilus. Optimal temp: 30C, didnt grow @ 44C, grew moderately at 25C and 37C. Morphology: circular glossy bright orange colonies on agar dish, small in diameter, took longer to grow than most of my classmates. Strict/ obligate aerobe. Did not break down sucrose, mannitose, nor dextrose. Casease negative, urease negative, DNase negative. Please throw out any possible bacteria you think it could possibly be... I don't even know where to start and I am currently LOST in Bergey's manual!
Asked by Carmelita - Sun Oct 14 19:44:31 2007 - - 2 Answers - 0 Comments
A. Bergey's manual is REALLY easy to figure out, because you have plenty of tests you have already done. The first thing I would suggest you do, is try to figure out the shape again... Is is bacillus, or coccus? That determines A LOT in that manual... try doing the test again if you can. After you know that, the biggest determiner that helps you is that the bacterium is a Obligate aerobe. Look under the section that has JUST those specific characteristics, and try to match up as MANY of the other tests you preformed as you can. If you really are still stuck... ask your professor or lab T.A. They should be able to point you in a better direction.
Answered by theviolet41 - Sun Oct 14 20:21:35 2007
how can i figure out what this gram positive cocci unknown is by doing these test results?
Q. the results of these tests were either positive or negative: amylase - catalase + nitrate reduction - GLUCOSE + LACTOSE - SUCROSE + INDOLE - EMB - i have to find out what the unknown is by using these test results...do you know how i can find it? thanks!
Asked by Holly D - Wed Nov 19 21:42:27 2008 - - 1 Answers - 0 Comments
A. By a process of elimination. Get a hold of lists. A list of all gram + cocci that are amylase neg. A list of all gram + cocci that are catalase pos. And so on. Only one bacterium will be on all 8 and that's the one you're looking for.
Answered by TweetyBird - Wed Nov 19 22:01:30 2008
Q. the results of these tests were either positive or negative: amylase - catalase + nitrate reduction - GLUCOSE + LACTOSE - SUCROSE + INDOLE - EMB - i have to find out what the unknown is by using these test results...do you know how i can find it? thanks!
Asked by Holly D - Wed Nov 19 21:42:27 2008 - - 1 Answers - 0 Comments
A. By a process of elimination. Get a hold of lists. A list of all gram + cocci that are amylase neg. A list of all gram + cocci that are catalase pos. And so on. Only one bacterium will be on all 8 and that's the one you're looking for.
Answered by TweetyBird - Wed Nov 19 22:01:30 2008
can u help me identify these bacteria?
Q. sample a gram positive rod shaped sample b gram negative cocci sample c gram postive cocci
Asked by dazza_480 - Tue Apr 14 09:21:58 2009 - - 1 Answers - 0 Comments
A. C diff MRSA Pneumococcal
Answered by Poopsy - Tue Apr 14 09:44:38 2009
Q. sample a gram positive rod shaped sample b gram negative cocci sample c gram postive cocci
Asked by dazza_480 - Tue Apr 14 09:21:58 2009 - - 1 Answers - 0 Comments
A. C diff MRSA Pneumococcal
Answered by Poopsy - Tue Apr 14 09:44:38 2009
Case Study #1 (Multiple-Choice)?
Q. A 25-yr old woman presents at the walk-in health clinic with slight fever (38.5C), a complaint of frequent urination, burning on urination, vaginal discharge and a small lesion on the labia. The woman reported that she was moderately sexually active and had 3 sexual partners in the past 6 months. Her last sexual contacts were about 7 days earlier. She had developed mild symptoms about 5 days, earlier, beginning with a discharge from the vagina. She began having pain on urination about 3 days earlier. Urine analysis revealed a pH of 8.2, some white cells and a few red blood cells. There was protein in the urine. A smear of the vaginal secretion showed a number of Gram-negative cocci. 1.What is your diagnosis here? a. Genital herpes b.… [cont.]
Asked by xoxo_lola_21 - Fri Oct 31 09:33:56 2008 - - 3 Answers - 0 Comments
A. D, D, D (These are correct, for sure.)
Answered by rak - Sun Nov 2 03:57:48 2008
Q. A 25-yr old woman presents at the walk-in health clinic with slight fever (38.5C), a complaint of frequent urination, burning on urination, vaginal discharge and a small lesion on the labia. The woman reported that she was moderately sexually active and had 3 sexual partners in the past 6 months. Her last sexual contacts were about 7 days earlier. She had developed mild symptoms about 5 days, earlier, beginning with a discharge from the vagina. She began having pain on urination about 3 days earlier. Urine analysis revealed a pH of 8.2, some white cells and a few red blood cells. There was protein in the urine. A smear of the vaginal secretion showed a number of Gram-negative cocci. 1.What is your diagnosis here? a. Genital herpes b.… [cont.]
Asked by xoxo_lola_21 - Fri Oct 31 09:33:56 2008 - - 3 Answers - 0 Comments
A. D, D, D (These are correct, for sure.)
Answered by rak - Sun Nov 2 03:57:48 2008
microbio help please?
Q. Choices: Brucellosis, malaria, relapsing fever, rocky mountain spotted fever, Ebola hemorrhagic fever The patient s fever spikes each evening. Oxidase-positive, gram-negative cocci were isolated from a lesion on his arm. What is your diagnosis? The patient was hospitalized with fever and headache. Spirochetes were observed in her blood. What is your diagnosis?
Asked by mikepen91165 - Wed Dec 5 18:50:12 2007 - - 3 Answers - 0 Comments
A. OK, the first key word is spirochetes. Spriochetes come in few diseases, but two of them are, Syphilis and Lyme disease, Brucellosis often shows up with Lyme disease, because the ticks carry the bacterium. So I am going to say your first choice is Brucellosis. But now the lesion on the arm? What would cause that, Lyme disease? The patient's fever spikes each evening, means he has had more than one evening, so we rule out Ebola. Relapsing fever, aha, relapsing fever can be traced to Borrelia which also goes with Lyme disease and is one of the diseases that has sprochetes. I may be wrong, but I am going to go with either Lyme Disease or Rocky Mountain Spotted Fever, both of which are caused by ticks. Since Lyme disease is not mentioned… [cont.]
Answered by Anne2 - Wed Dec 5 20:18:01 2007
Q. Choices: Brucellosis, malaria, relapsing fever, rocky mountain spotted fever, Ebola hemorrhagic fever The patient s fever spikes each evening. Oxidase-positive, gram-negative cocci were isolated from a lesion on his arm. What is your diagnosis? The patient was hospitalized with fever and headache. Spirochetes were observed in her blood. What is your diagnosis?
Asked by mikepen91165 - Wed Dec 5 18:50:12 2007 - - 3 Answers - 0 Comments
A. OK, the first key word is spirochetes. Spriochetes come in few diseases, but two of them are, Syphilis and Lyme disease, Brucellosis often shows up with Lyme disease, because the ticks carry the bacterium. So I am going to say your first choice is Brucellosis. But now the lesion on the arm? What would cause that, Lyme disease? The patient's fever spikes each evening, means he has had more than one evening, so we rule out Ebola. Relapsing fever, aha, relapsing fever can be traced to Borrelia which also goes with Lyme disease and is one of the diseases that has sprochetes. I may be wrong, but I am going to go with either Lyme Disease or Rocky Mountain Spotted Fever, both of which are caused by ticks. Since Lyme disease is not mentioned… [cont.]
Answered by Anne2 - Wed Dec 5 20:18:01 2007
A 45-year-old man was admitted to the hospital with chest and back pain. On examination, his chest was dull to
Q. A 45-year-old man was admitted to the hospital with chest and back pain. On examination, his chest was dull to percussion. A chest X-ray shows lower left lung inflitrates. A sputum culture reveals alpha-hemolytic, gram positive, catalase negative cocci that were inhibited by optochin. The bacteria produce acid from lactose. Identify the species of this bacterium.
Asked by truckee - Sat Oct 27 20:37:10 2007 - - 3 Answers - 0 Comments
A. Streptococcus pneumoniae I would highly suggest you take a General Microbiology course prior to taking any additional medical diagnostic courses -- this question is one of the most basic identifications a clinician would make. A hint -- the catalase negative and inihibited by optochin are dead give aways ...
Answered by Hecate109 - Sat Oct 27 21:20:23 2007
Q. A 45-year-old man was admitted to the hospital with chest and back pain. On examination, his chest was dull to percussion. A chest X-ray shows lower left lung inflitrates. A sputum culture reveals alpha-hemolytic, gram positive, catalase negative cocci that were inhibited by optochin. The bacteria produce acid from lactose. Identify the species of this bacterium.
Asked by truckee - Sat Oct 27 20:37:10 2007 - - 3 Answers - 0 Comments
A. Streptococcus pneumoniae I would highly suggest you take a General Microbiology course prior to taking any additional medical diagnostic courses -- this question is one of the most basic identifications a clinician would make. A hint -- the catalase negative and inihibited by optochin are dead give aways ...
Answered by Hecate109 - Sat Oct 27 21:20:23 2007
what other test do i need to do to find out if my unknown organism is a staphylococcus organism?
Q. i already did the gram stain and it is gram positive cocci, catalase-positive result, oxidase-negative. i did the mannitol plate, phenol red glucose for carbohydrate fermentation, nitrate test, mrvp and i will get my result on wednesday 5/16. i want to know what other test i need to do to prove that i have a staphylococcus organism.
Asked by reiche0310 - Mon May 14 15:44:12 2007 - - 1 Answers - 0 Comments
A. You have done just about all there is. As soon as the result comes back, and depending on the type of staph detected, you will be directed to treatment. In this case, suggest your Doctor to have you do an anti-biogram test (this will determine if you are resistant to some and what kind of antibiotics), so that the treatment goes direct to where it should.
Answered by Marinho - Mon May 14 15:50:20 2007
Q. i already did the gram stain and it is gram positive cocci, catalase-positive result, oxidase-negative. i did the mannitol plate, phenol red glucose for carbohydrate fermentation, nitrate test, mrvp and i will get my result on wednesday 5/16. i want to know what other test i need to do to prove that i have a staphylococcus organism.
Asked by reiche0310 - Mon May 14 15:44:12 2007 - - 1 Answers - 0 Comments
A. You have done just about all there is. As soon as the result comes back, and depending on the type of staph detected, you will be directed to treatment. In this case, suggest your Doctor to have you do an anti-biogram test (this will determine if you are resistant to some and what kind of antibiotics), so that the treatment goes direct to where it should.
Answered by Marinho - Mon May 14 15:50:20 2007
From Yahoo Answer Search: 'gram negative cocci'
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