Mahon (CHAPTER REVIEW)

Question 1

1. _______________is the most common gram-positive ocular pathogen.

a. Cutibacterium (Propionibacterium) acnes
b. Staphylococcus aureus
c. Corynebacterium spp.
d. Coagulase-negative staphylococcus

Answer 1

b. Staphylococcus aureus

Question 2

2. Media for the isolation of fungal pathogens from ocular specimens should not contain:

a. Gentamicin
b. Penicillin
c. Cyclohexamide
d. Streptomycin

Answer 2

c. Cyclohexamide

Question 3

3. _______________, an uncommon pathogen found in water and is associated with contact lens use, can invade corneal tissue.

a. Haemophilus influenzae
b. Penicillin spp.
c. Fusarium spp.
d. Acanthamoeba

Answer 3

d. Acanthamoeba

Question 4

4. The _______________are the group of viruses most frequently involved in ocular disease.

a. Herpesviruses
b. Adenoviruses
c. Enteroviruses
d. Poxviruses

Answer 4

a. Herpesviruses

Question 5

5. Nonnutrient agar inoculated with Escherichia coli is used in recovering ___________ from ocular specimens.

a. Microsporidia
b. Chlamydia
c. Fusarium spp.
d. Acanthamoeba

Answer 5

d. Acanthamoeba