Monday, January 14, 2008

2 - microbiology mcqs - 11 to 20

11) Hepatitis B is a

a. Single Stranded DNA Virus

b. Double Stranded DNA Virus

c. Single Stranded RNA Virus

d. Double Stranded RNA Virus

Answer : (B) Double Stranded DNA Virus

Refernce: Ananthanarayanan 7th Edition Page 550

Ä All DNA Viruses are Double Stranded except Parvovirus which is a Single stranded DNA Virus

Ä All RNA Viruses are Single Stranded except Reovirus which is a Double stranded DNA Virus

12) Hepatitis C Virus is transmitted by

a. Blood products

b. Food

c. Air

d. None of the above

Answer (a) Blood Products

Reference: Ananthanarayanan 7th Edition Page 557

13) Shape of Rabies Virus

a. Ball Shaped

b. Egg Shaped

c. Bullet Shaped

d. Boat shaped

Answer (c) Bullet shaped

Reference: Ananthanarayanan 7th Edition Page 535

14) The drug that is not commonly given for Pneumococcal Pneumonia is

a. Penicillin

b. Gentamycin

c. Erythromycin

d. Cefotaxime

Answer : (b) Gentamycin

Reference: Harrison 16th Edition Page 810

15) Prozone Phenomenon is seen in cases of

a. Antibody Excess

b. Antigen Excess

c. Both

d. None

Answer (A) Antibody Excess

Reference: Ananthanarayanan 7th Edition Page 95

Note : Antigen Excess is Post Zone

16) Allergy and Anaphylaxis are due to

a. IgE

b. IgA

c. IgG

d. Ig M

Answer (a) IgE

Reference: Ananthanarayanan 7th Edition Page 90

17) Paul Bannel Test uses

a. Sheep RBC

b. Foul RBC

c. Guinea Pig RBC

d. Human RBC

Answer (a) Sheep RBC

Reference: Ananthanarayanan 7th Edition Page 99, 484

18) Protein Structure is found using

a. Southern Blot

b. Northen Blot

c. Western blot

d. Any of the above

Answer : C) Western blot

Reference: Ananthanarayanan 7th Edition Page 592

19) Nagler reaction is due to

a. Cl.Welchi

b. Pseudomonas

c. Streptococcus

d. Mycobacteria

Answer (a) Cl.welchi

Reference: Ananthanarayanan 7th Edition Page 250

20) Gamma carboxylation of Glutamic acid residues require

a. Ca++

b. Na+

c. K+

d. Cl-

Answer (a) Ca++ ions

Reference: KDTripathi 5th Edition Page 564

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