ASCP Recalls
Subject: Microbiology
1. Identify the organism: Bile esculin: POSITIVE; 6.5% NaCl: POSITIVE; PYR: NEGATIVE; LAP: NEGATIVE
Ans: Leuconostoc
2. A gram stain from a blood agar shows gram positive cocci in chains, non-hemolytic, The bacteria
grow on 6.5% NaCl and is Bile esculin posit...
ASCP Recalls Subject: Microbiology 1. Identify the organism: Bile esculin: POSITIVE; 6.5 % NaCl: POSITIVE; PYR: NEGATIVE; LAP: NEGATIVE Ans: Leuconostoc 2. A gram stain from a blood agar shows gram positive cocci in chains, non -hemolytic, The bacteria grow on 6.5% NaCl and is Bile esculin positive. What’s the most likely identification? Ans: Enterococcus ( only Enterococcus can grow both 6.5% NaCl and Bile Esculin ) 3. latex agglutination for Staphylococcus aureus: Ans: Protein A and clump ing factor 4. Pink mucoid colonies on MACTSI=A/A Spot indole test: POSITIVE Ans: Klebsiella oxytoca 5. A patient is diagnosed wit streptococcal pharyngitis 6 months ago. Now he is showing signs of glumerulonephritis. What will be seen in the renal b iopsy? Ans: S. pyogenes ( S. pyogenes is the most common causative agent for pharyngitis) 6. Biochemical reaction: Bile esculin: positive; 6.5% NaCl: negative Ans: Streptococcus bovis ( 6.5% NaCl test along with Bile -Esculin test, is used in many laboratories to distinguish Enterococcus species from the group D streptococci, Streptococcus bovis and Streptococcus lactis ) 7. Which of the following tests cab differentiate Pseudomonas aeruginosa from Pseudomonas putida? Ans: Growth at 42 degrees Celsius ( P. aeruginosa had the widest range of growth temperature 25 -42°C ) 8. Favours growth of anaerobic gram negative bacilli: Ans: Vitamin K and hemin 9. which of the following tests should be done first in order to differentiates Aerom onas spp from the Enterobacteriaceae? Ans: Oxidase ( Aeromonas: TSI reaction: A/A, and is Oxidase Positive. Enterobacteriaceae is oxidase Negative ) 10. A patient with walking pneumonia is being treated with penicillin. State one possible condition why the patient is not recovering: Ans: The organism has no cell wall 11. Causative agent of “Cat scratch disease”? Ans: Bartonella henselae ( cat -scratch disease (bartonellosis) which, as the name suggests, occurs after a cat bite or scratch. The dise ase is characterized by lymphadenopathy) 12. Hair perforation test/hair baiting test is for identification of which two fungi? Ans: Trichophyton mentagrophyte and T. rubrum ( Trichophyton mentagrophyte is positive and T. rubrum is negative ) 13. Gentamycin resistant organism : Ans: Enterococci 14. Lysostaphin resistant organism: Ans: Micrococcus 15. Cat bite Fever: Ans: Pasturela multocida 16. What is the infective stag e of Le ishmania spp. To humans?? Ans: Promastigote 17. The third Taenia spp ?: Ans: T . asiatica 18. Which o f the fo llowing media identifies species of Aspergillus? Ans: Czapek ’s aga r 19. This pres umptive tes t for Candi da uses serum. Ans: Germ tube test
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller KatelynWhitman. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £9.13. You're not tied to anything after your purchase.
