Module 16

Question 1

Which of the following antibiotics may cause photosensitivity?
 A. Macrolides
 B. Sulfonamides
 C. Cephalosporins
 D. Vancomycin

Answer 1

B. Sulfonamides

Question 2

Which of the following is a component of gram positive bacteria?
 A. Lipopolysaccharides
 B. Outer membrane
 C. Porins
 D. Techoic acids

Answer 2

D. Techoic acids

Question 3

In which situation would you suggest prescribing an extended spectrum antibiotic?
A. When a patient is infected with Pseudomonas aeruginosa
B. When a patient has MRSA
C. When a patient is infected with both gram negative and gram positive bacteria.
D. When a patient has VRE

Answer 3

A. When a patient is infected with Pseudomonas aeruginosa

Question 4

Which of the following are potential consequences of antibiotic induced destruction of normal bacterial flora?
 A. Increased vitamin K synthesis.
 B. Superinfection
 C. Increased first pass metabolism
 D. All are correct

Answer 4

B. Superinfection

Question 5

Which of the following is an example of bacterial resistance arising from changes to the bacterial target?
A. The antibiotic is no longer able to pass through porins in the gram negative cell membrane.
B. The action of beta lactamase inhibitor.
C. The antibiotic is no longer able to bind to transpeptidase enzymes.
D. The antibiotic is rapidly pumped out of the bacteria.

Answer 5

C. The antibiotic is no longer able to bind to transpeptidase enzymes.

Question 6

Which statement regarding penicillin is true?
A. They are more effective against bacteria that are not actively dividing.
B. They were discovered from mould
C. They inhibit bacterial protein synthesis.
D. They are bacteriostatic.

Answer 6

B. They were discovered from mould

Question 7

What bacterial cell component helps bacteria attach to their host?
 A. Porins
 B. Flagella
 C. Ribosomes
 D. Fimbriae

Answer 7

D. Fimbriae

Question 8

Which of the following is true when comparing bacterial to human cells?
A. Bacteria synthesize folic acid whereas human cells do not.
B. Bacteria have ribosomes whereas human cells do not.
C. Bacteria can metabolize drugs whereas human cells cannot.
D. Bacteria have a cell membrane whereas human cells do not.

Answer 8

A. Bacteria synthesize folic acid whereas human cells do not.

Question 9

Which of the following best describes the mechanism of action of aminoglycoside antibiotics?
A. They bind to the 30S ribosomal subunit to inhibit protein synthesis.
B. They bind to transpeptidase enzymes to inhibit protein synthesis.
C. They inhibit the synthesis of folic acid.
D. They bind to the 50S ribosomal subunit to inhibit protein synthesis.

Answer 9

A. They bind to the 30S ribosomal subunit to inhibit protein synthesis.

Question 10

Which of the following patients is least likely to respond to treatment with a macrolide antibiotic?.
 A. Laura who has a broken right arm.
 B. Amanda who has stage 2 hypertension.
 C. Bertha who has type 1 diabetes.
 D. Jane, a liver transplant recipient

Answer 10

D. Jane, a liver transplant recipient