Top 150+ Solved Medical Microbiology MCQ Questions Answer

From 166 to 180 of 192

Q. The best test for the susceptibility of a microorganism to antibiotics and other chemotherapeutic agents:

a. Tube-dilution test

b. Paper-disc test

c. Both a and b

d. None of these

  • c. Both a and b

Q. The smallest amount of chemotherapeutic agents required to inhibit the growth of the organism in Vitro is known as

a. MIC (minimum inhibitory concentration)

b. Thermal death point (TDP)

c. Death rate

d. None of these

  • a. MIC (minimum inhibitory concentration)

Q. Clear-zones formation around antibiotic disc is due to

a. Growth of the bacterium surrounding of the disc

b. Lysis of the bacterial cells surrounding the disc

c. The destruction of paper disc (antibiotic)

d. None of these

  • b. Lysis of the bacterial cells surrounding the disc

Q. Bacitracin is obtained from

a. subtilis b.

b. anthracis

c. B. cereus

d. B. anthracoid

  • a. subtilis b.

Q. Vancomycin is obtained from

a. Streptococcus species

b. Aspergillus niger

c. Streptomyces orientalis

d. Bacillus anthracis

  • c. Streptomyces orientalis

Q. â-lactum antibiotics are

a. Penicillin

b. Cephalosporin

c. Both a & b

d. None of these

  • c. Both a & b

Q. Virus causing mumps is also responsiblefor

a. Measle

b. Hepatitis A

c. Rabies

d. Variola

  • a. Measle

Q. Epidemic pleurodynia and myocarditis ofnew born infants are both caused by

a. Group B cox sack virus

b. Reovirus

c. Polyomavirus

d. Cytomegalovirus

  • a. Group B cox sack virus

Q. Human papillomavirus causes followingtumors:

a. Hepatic carcinoma

b. Cervical cancer

c. Condyloma acuminatum

d. Plantar wart

  • a. Hepatic carcinoma

Q. Viral infection is caused due to

a. Acute self limited illness

b. No apparent symptoms

c. Chronic infection with persistent viral shedding

d. All of these

  • d. All of these

Q. Viruses which have teratogenic propertyare

a. Herpes simplex virus

b. Cytomegalovirus

c. Rubella virus

d. All of these

  • d. All of these

Q. Kawasaki syndrome is

a. Most prevalent in Japan and Hawaii

b. Patients show rickettsia like bacteria in skin biopsies

c. Strain involved may be propionibacterium

d. All of these

  • d. All of these

Q. Mode of action of quinolone antibioticson growing bacteria was thought to be

a. Inhibition of â lactamase

b. Prevention of the cross linking of glycine

c. Inhibition of DNA gyrase

d. Inhibition of reverse transcriptase

  • c. Inhibition of DNA gyrase

Q. The role that human play in the plaguelife cycle is

a. Secondary reservoir

b. Primary transmission vector

c. Primary host

d. Accidental intruder in rat flea cycle

  • d. Accidental intruder in rat flea cycle

Q. Which organism is responsible for causingfever to a man dealing with goats?

a. Trepanema Pallidum

b. M.tuberculosis

c. Clostridium novyl

d. Brucella melitensis

  • d. Brucella melitensis
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