1. All of the following are Heterophile Agglutination tests, except

Question 1 of 20

2. An elderly patient presented with fever, chest pain and dry cough. Sputum cultured on charcoal yeast medium, the organism is -

Question 2 of 20

3. All are true regarding disinfectants except -

Question 3 of 20

4. The endotoxin pf the following gram negative bacteria doesn't play any part in the pathogenesis of the natural disease -

Question 4 of 20

5. Dimorphism in microorganisms is characterized by the capability to produce

Question 5 of 20

6. Which of the following is true about staining?

Question 6 of 20

7. Protection of oral mucosa is by

Question 7 of 20

8. Vaccination is based on the principle of:

Question 8 of 20

9. Pathogenic treponemas can be maintained in:

Question 9 of 20

10. Which of the following distinguishes viral infections from other microbial

Question 10 of 20

11. Positive Shick's test indicates that person is

Question 11 of 20

12. Which of the following is CORRECT for obligate anaerobic microorgansims in the oral cavity?

Question 12 of 20

13. The virus HIV is produced and propagated in:

Question 13 of 20

14. A 39-year old female presents with fever. The blood culture from the patient grows gram positive small to medium coccobacilli that are pleomorphic occurring in short chains. Direct wet mount from the culture shows tumbling motility. The most likely organism is

Question 14 of 20

15. Which of the following statements about campylobacter jejuni is false

Question 15 of 20

16. Which of the following is the MOST important function of bacterial pill in causing human infectious disease?

Question 16 of 20

17. Which of the following are used in protective vaccines because they retain their antigenicity but have lost their toxicity?

Question 17 of 20

18. The Ig found in exocrine secretions is:

Question 18 of 20

19. Filters used in biological safety cabinets:

Question 19 of 20

20. Which of the following is not used as disinfectant

Question 20 of 20