Microbiology Chapter 23

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Microbiology
Chapter 23
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1

Which of the following statements about sepsis is FALSE?

It usually is caused by gram-positive bacteria.

2

Which of the following pairs is mismatched?

encephalitis — Ixodes (tick)

3

Unsanitary and crowded conditions increase the incidence of all of the following diseases EXCEPT

Rocky Mountain spotted fever.

4

Which of the following pairs does NOT apply to Chagas' disease?

diagnosis of acute phase — serological tests for antibodies

5

Which of the following is NOT caused by a bacterium?

malaria

6

Which of the following statements about puerperal sepsis is FALSE?

It is transmitted from mother to fetus.

7

Which of the following statements about schistosomiasis is FALSE?

It is caused by a roundworm.

8

Which of the following pairs is mismatched?

Francisella — gram-positive facultatively anaerobic pleomorphic bacillus

9

Which of the following can be transmitted from an infected mother to her fetus across the placenta?

cytomegalovirus

10

Which of the following pairs is mismatched?

Pasteurella — cat-scratch disease

11

Human-to-human transmission of plague is usually by

the respiratory route.

12

A characteristic symptom of plague is

swollen lymph nodes.

13

Which of the following pairs regarding the epidemiology of malaria is mismatched?

vector — Ixodes

14

A predisposing factor for infection by Clostridium perfringens is

gangrene.

15

Which of the following is NOT a zoonosis?

puerperal sepsis

16

Arthropods can serve as a reservoir for all of the following diseases EXCEPT

brucellosis.

17

Which of the following is NOT a recognized form of anthrax?

septic

18

Which of the following is NOT treated with antibiotics?

Ebola

19

Epstein-Barr virus has been implicated in all of the following EXCEPT

endocarditis.

20

A patient complains of fever, severe muscle and joint pain, and a rash. The patient reports returning from a Caribbean vacation one week ago. Which of the following do you suspect?

dengue

21

Which of the following pairs is NOT correctly matched for Gram reaction?

Ehrlichia — gram-positive

22

You advise your pregnant friend to not adopt a new kitten from her neighbor because she could contract

toxoplasmosis.

23

Which of the following is evidence that the arthritis afflicting children in Lyme, Connecticut, was due to bacterial infection?

treatable with penicillin

24

Which of the following is NOT controlled by a mosquito eradication program?

schistosomiasis

25

Brucella bacteria are considered a potential agent of bioterrorism because

hey easily become airborne.

26

Which of the following statements about tularemia is FALSE?

It occurs only in California.

27

Which of the following is a symptom of brucellosis?

undulant fever

28

Which of the following is NOT transmitted in raw milk?

toxoplasmosis

29

Which of the following is NOT a characteristic of Bacillus anthracis?

produces endotoxins

30

The symptoms of gas gangrene are due to all of the following EXCEPT

endocarditis

31

All lymph that returns to the heart must pass through at least one lymph node.

True

32

Lymph contains red blood cells.

False

33

Subacute bacterial endocarditis is commonly the result of infections initially focused on the oral cavity.

True

34

Netting modified for sandflies should also be useful in preventing malaria.

True

35

All forms of typhus are associated with arthropod vectors.

True