Microbiology iclickers 5/2/24

Question 1

Penicillin affects the synthesis of phospholipids, thereby producing weak membranes and lysis of the bacteria. T/F?

Answer 1

False

-Penicillin affects the cell wall (Peptidoglycan)

Question 2

Mycolic acids are targeted by isoniazid in the treatment of

A. S. aureus

B. S. epidermidis

C. M.luteus

D. M. tuberculosis

Answer 2

D. M. tuberculosis

(Mycobacterium)

Question 3

Resistance of some animals to certain viral diseases is based on

A. lack of spikes for attachment

B. phagocytosis of the virus by the host cell

C. the presence of the viral envelope

D. lack of specific receptors on the host cell

Answer 3

D. lack of specific receptors on the host cell

Question 4

The target of most antifungal drugs is

A. the ribosome

B. nucleus

C. cholesterol

D. ergosterol

E. cholesterol and ergosterol

Answer 4

D. ergosterol

Question 5

The complement pathway that requires antibodies to be activated is the

A. alternate pathway
B. classical pathway
C. properdin pathway
D. inflammatory pathway

Answer 5

B. classical pathway

Question 6

T/F: lymphocytes that mature in the bone marrow are called T cells.

Answer 6

False

Question 7

Which of the following protozoal pathogens is NOT typically acquired via ingestion of contaminated food/water?

A. Giarda lamblia
B. Isopora belli
C. Trichomonas vaginalis
D. Entamoeba histolitica
E. Balantidium coli

Answer 7

D. Entamoeba histolitica