3 - microbiology mcqs - 21 to 30

21) Reactivity of false positive VDRL in Acute Malaria is

a. 10 to 20 %

b. 10 to 30 %

c. 50 %

d. 100 %

Answer : ??

Reference: Microbiology 7^th Edition Page

22) Calabar Swelling is seen in

a. loa loa

b. Manso

c. Wucherchia bancrofti

d. Brugui malayi

Answer : a) Loa loa

Reference: Harrison 15^th Edition Chapter 221

23) Bacteria in air first demonstrated by

a. Louis Pasteur

b. Lister

c. Ronald Ross

d. Koch’s

Answer : a) Louis Pasteur

Reference: Microbiology 7^th Edition Page 2

24) All are contributions of Louis Pasteur except

a. Sterilisation

b. Vaccine for Rabies

c. Vaccine for anthrax

d. Vaccine for Tuberculosis

Answer : d) Vaccine for Tuberculosis

Reference: Microbiology 7^th Edition Page 2

25) Sereny test is positive in

a. Enteropathogenic E.Coli

b. Entero invasive E.Coli

c. enterotoxic E.Coli

d. verotoxic E.Coli

Answer : b) Enetero Invasive E.Coli

Reference: Microbiology 7^th Edition Page 279

26) The main clinically significatnt Toxin produced by C.diphteria is

a. Exotoxin

b. Endotoxin

c. Both

d. None

Answer : a) Exotoxin

Reference: Microbiology 7^th Edition Page 233

27) Inverted fir tree appearance in stab culture is seen with

a. Bacillus Anthracis

b. Brucella

c. Bordetella

d. None

Answer : a) Bacillus Anthrax

Reference: Microbiology 7^th Edition Page 243

28) Fastidious organism are grown by

a. prolonging incubation time

b. and performing special subcultures

c. both

d. none

Answer : c) both

Reference: Harrison 15^th Edition Chap 126

29) Virus causing Hemorrhagic conjunctivtitis virus is

a. Arbovirus

b. Entero Virus 70

c. Rabies virus

d. Herpes Virus

Answer : b) Enterovirus 70

Reference: Harrison 15^th Edition Chapter 193

30) Most Common organism causing nosocomial infection is hospital acquired pneumonia

a. Pseudomonas

b. Staph aureus

c. Streptococcus

d. Both A and B

Answer : d) both a and B

Reference: Harrison 15^th Edition Chap 255