Microbiology MCQ

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Created by clinicalsci

Microbiology MCQ

Welcome to the Clinical Microbiology Multiple Choice Questions test. You have 30 minutes to answer 30 questions.

Lets begin, Good Luck!!

 

1 / 30

Fecal cultures are inoculated on thiosulfate-citrate-bile salts-sucrose agar specifically for the isolation of:

2 / 30

Campylobacter spp. are associated most frequently with cases of:

3 / 30

The beta-hemolysis produced by group A Streptococcus seen on the surface of a sheep blood agar plate is primarily the result of wchich streptolysin?

4 / 30

In suspected cases of brucellosis, the optimal specimen to be collected for the isolation of the etiologic agent is:

5 / 30

Which of the following lack motility ?

6 / 30

Which of the following organism is oxidase-positive and glucose nonfermenting ?

7 / 30

Precipitates of diphtheria toxin and antitoxin formed in agar gels are an in vitro means for detecting toxigenic strains of Corynebacterium diphtheriae. The name of this test procedure is the:

8 / 30

Which organism produces violet-colored colonies ?

9 / 30

The organism associated with a disease characterized by the presence of a pseudomembrane in the throat and the production of an exotoxin that is absorbed into the bloodstream with a lethal effect is:

10 / 30

Which of the following is not true of Shigella sonnei?

11 / 30

The pulmonary form of anthrax is known as:

12 / 30

Which is the causative agent of the form of conjunctivitis known as pinkeye ?

13 / 30

Which of the following is causative of melioidosis ?

14 / 30

Rust-colored sputum in cases of lobar pneumonia is characteristic of which of the following possible etiologic agents?

15 / 30

Streptococcus sanguis, a viridans streptococcus, is most commonly associated with which of the following clinical conditions?

16 / 30

Hemolytic uremic syndrome is a consequence of a bacterial infection with:

17 / 30

Swimmer's ear, a form of external otitis is commonly caused by :

18 / 30

The most common etiologic agent of infections associated with the surgical insertion of prosthetic devices such as artificial heart valves and cerebrospinal fluid shunts is:

19 / 30

Severe disseminated intravascular coagulation often complicates cases of septicemia is caused by:

20 / 30

The species of Mycobacterium that would be most commonly associated with contamination of the hot water system in large institutions such as hospitals is:

21 / 30

The causative agent of "malignant pustule" is:

22 / 30

Enterotoxin produced by Staphylococcus aureus is responsible for causing

23 / 30

The majority of clinical isolates of Klebsiella are

24 / 30

Haemophilus ducreyi is the causative agent of:

25 / 30

One of the most common etiologic agents of community-acquired uncomplicated cases of cystitis is:

26 / 30

The K antigen of the family Enterobacteriaceae is:

27 / 30

Which enzyme cannot be synthesized by streptococci?

28 / 30

Acinetobacter baumannii is characteristically:

29 / 30

Enterococcus faecium is characteristically:

30 / 30

A test for the hydrolysis of esculin in the presence of bile is especially useful in identifying species of the genus:

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