CIN Agar MCQs Mock Test

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CIN Agar Mock Test: 30 MCQs on Yersinia isolation, colony morphology & CLSI guidelines. Ace your clinical microbiology exams!

Challenge your diagnostic skills with our CIN Agar (Cefsulodin-Irgasan-Novobiocin) Mock Test! This 30-question quiz evaluates your ability to:

✔ Identify Yersinia enterocolitica – Recognize classic “bull’s-eye” colonies
✔ Differentiate Enteric Pathogens – Distinguish Yersinia from Proteus, Citrobacter, and normal flora
✔ Follow CLSI Protocols – Master incubation (32°C), interpretation, and QC
✔ Troubleshoot Common Issues – Address overgrowth, contamination, and atypical morphology

🔬 Key Features:
✓ Image-Based Questions – Analyze real CIN agar plates
✓ Detailed Explanations – Learn while testing
✓ Instant Scoring – Benchmark against peers
✓ Mobile-Optimized – Study anytime, anywhere

🎯 Perfect For:

  • Medical lab technicians (MLT/MLS)
  • Microbiology students (ASCP, USMLE prep)
  • Public health professionals
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CIN Agar MCQs Mock Test

CIN Agar MCQs Mock Test

Challenge your diagnostic skills with our CIN Agar (Cefsulodin-Irgasan-Novobiocin) Mock Test! This 30-question quiz evaluates your ability to:

✔ Identify Yersinia enterocolitica – Recognize classic “bull’s-eye” colonies
✔ Differentiate Enteric Pathogens – Distinguish Yersinia from Proteus, Citrobacter, and normal flora
✔ Follow CLSI Protocols – Master incubation (32°C), interpretation, and QC
✔ Troubleshoot Common Issues – Address overgrowth, contamination, and atypical morphology

🔬 Key Features:
✓ Image-Based Questions – Analyze real CIN agar plates
✓ Detailed Explanations – Learn while testing
✓ Instant Scoring – Benchmark against peers
✓ Mobile-Optimized – Study anytime, anywhere

🎯 Perfect For:

  • Medical lab technicians (MLT/MLS)

  • Microbiology students (ASCP, USMLE prep)

  • Public health professionals

Read Full Article: Transport Media FAQs and MCQs

1 / 30

Category: Clinical Laboratory

 How does CIN Agar differ from MacConkey Agar?

2 / 30

Category: Clinical Laboratory

Which organism is not inhibited by CIN Agar?

3 / 30

Category: Clinical Laboratory

 Which Yersinia species may produce false-positive results?

4 / 30

Category: Clinical Laboratory

Which non-Yersinia organism may grow on CIN Agar if cefsulodin is reduced?

5 / 30

Category: Clinical Laboratory

What is the final pH of CIN Agar?

6 / 30

Category: Clinical Laboratory

 The “bull’s-eye” appearance of Y. enterocolitica colonies is due to:

7 / 30

Category: Clinical Laboratory

 What modern technique complements CIN Agar for Yersinia detection?

8 / 30

Category: Clinical Laboratory

 If Proteus mirabilis grows on CIN Agar, what is the likely issue?

9 / 30

Category: Clinical Laboratory

 Which selective agent targets Gram-positive bacteria in CIN Agar?

10 / 30

Category: Clinical Laboratory

 Who first developed CIN Agar?

11 / 30

Category: Clinical Laboratory

A key limitation of CIN Agar is:

12 / 30

Category: Clinical Laboratory

 Which QC organism should show growth with “bull’s-eye” colonies?

13 / 30

Category: Clinical Laboratory

 Which agar is not selective for Yersinia?

14 / 30

Category: Clinical Laboratory

16. Which component acts as a carbon source in CIN Agar?

15 / 30

Category: Clinical Laboratory

What is the primary purpose of CIN Agar?

16 / 30

Category: Clinical Laboratory

 What is the role of irgasan (triclosan)?

17 / 30

Category: Clinical Laboratory

 Why are cefsulodin and novobiocin added post-autoclaving?

18 / 30

Category: Clinical Laboratory

 Which test is needed to confirm Y. enterocolitica after CIN Agar?

19 / 30

Category: Clinical Laboratory

How should used CIN Agar plates be discarded?

20 / 30

Category: Clinical Laboratory

 What color indicates proper CIN Agar preparation?

21 / 30

Category: Clinical Laboratory

Which pH indicator is used in CIN Agar?

22 / 30

Category: Clinical Laboratory

CIN Agar is primarily used for which specimen type?

23 / 30

Category: Clinical Laboratory

 A fecal sample from a food poisoning outbreak shows bull’s-eye colonies on CIN Agar. The most likely pathogen is:

24 / 30

Category: Clinical Laboratory

 How long can prepared CIN Agar be stored at 2–8°C?

25 / 30

Category: Clinical Laboratory

 What indicates CIN Agar preparation failure?

26 / 30

Category: Clinical Laboratory

The acronym “CIN” stands for:

27 / 30

Category: Clinical Laboratory

25. How should CTN supplement be added to CIN Agar base?

28 / 30

Category: Clinical Laboratory

 Which temperature range is optimal for incubating CIN Agar?

29 / 30

Category: Clinical Laboratory

 Which component stimulates Yersinia growth in CIN Agar?

30 / 30

Category: Clinical Laboratory

29. CIN Agar is used to test which food for Yersinia?

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Read Full Article: CIN Agar FAQs and MCQs

  • “How to read CIN agar for Yersinia“
  • “CIN agar colony morphology MCQs”
  • “Best temperature for Yersinia culture”
  • “CLSI guidelines for stool pathogen isolation”

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