Deck 20: Treatment of Ophthalmic and Otic Infections

Question 1

Which of the following drugs is not used to treat toxoplasmosis?

A)Pyrimethamine
B)Ganciclovir
C)Sulfonamides
D)Sulfadiazine

Answer 1

Ganciclovir

Question 2

Which of the following is used to treat onchocerciasis as a single yearly dose?

A)Albendazole
B)Ivermectin
C)Natamycin
D)Pyrimethamine

Answer 2

Ivermectin

Question 3

Which drug is taken orally for initial therapy of cytomegalovirus retinitis?

A)Foscarnet
B)Cidofovir
C)Valganciclovir
D)Ganciclovir

Answer 3

Valganciclovir

Question 4

An opportunistic infection in the eye that occurs in patients who have HIV/AIDS or take immunosuppressive drugs is called _____.

A)cytomegalovirus retinitis
B)fusarium keratitis
C)psoriatic blepharitis
D)herpes zoster ophthalmicus D

Question 5

Another name for granulated eyelids is _____.

A)conjunctivitis
B)uveitis
C)blepharitis
D)scleritis

Question 6

Which of the following is not true about uveitis?

A)It is a serious eye condition.
B)It can cause scarring of the eye.
C)There are two types of uveitis that affect the same part of the eye.
D)It can cause blindness if left untreated.

Question 7

_____ can be used to treat keratoconjunctivitis caused by herpes simplex type 1 virus.

A)Valganciclovir
B)Azithromycin
C)Moxifloxacin
D)Trifluridine

Question 8

The most common cause of otitis externa is _____.

A)fungal infection
B)common cold
C)bacterial infection
D)placing foreign objects in the ear

Question 9

Worms contracted through soil that cause uveitis can be treated with which of the following drugs?

A)Trifluridine
B)Ivermectin
C)Praziquantel
D)Albendazole

Question 10

Why would children be more susceptible to otitis media than adults?

A)Children in general are more susceptible to infections.
B)Fluids can build up more easily,allowing bacteria to grow because eustachian tubes in children tend to be shorter and straighter.
C)With a smaller head circumference,it easier for fluid to build up in a child's ear,which can lead to otitis media.
D)Children tend to place more objects in their ears,causing disruption in the ear,which can lead to fluid buildup and pressure on the eardrum.

Question 11

Why should corticosteroids be closely monitored when used to treat hepatic eye disease?

A)They block small openings around the outer edge of the iris that form drainage canals,impeding the flow of fluids in the eye and possibly increasing intraocular pressure (IOP).
B)In rare cases,they potentiate the growth of the virus causing the hepatic eye disease.
C)They can also suppress the eye's natural response to the virus and sometimes allow the virus to flourish despite the use of antivirals.
D)They increase drainage from the eye,allowing the virus to spread to other parts of the body.

Question 12

Which of the following is approved for an oral maintenance therapy of cytomegalovirus retinitis?

A)Foscarnet
B)Cidofovir
C)Valganciclovir
D)Ganciclovir

Question 13

Otitis externa can be treated with _____.

A)sulfacetamide
B)foscarnet
C)natamycin
D)ofloxacin

Question 14

Which of the following is not a way to treat blepharitis?

A)Self-treat with cold compresses to the eyelids
B)Anti-infective ointments
C)Corticosteroid eye drops
D)Artificial tears

Question 15

_____ can treat cysticercosis but is not FDA approved.

A)Praziquantel
B)Thiabendazole
C)Tobramycin
D)Cidofovir

Question 16

Why would cytomegalovirus retinitis especially affect those on immunosuppressants?

A)Those on immunosuppressants are less susceptible to contracting viruses and would therefore not be affected.
B)The opportunistic dormant virus is able to cause infections in the eyes because of suppression of immune system.
C)The virus feeds off the immunosuppressant drugs.
D)Healthy individuals do not carry the virus;only those who need immunosuppression carry the virus.

Question 17

A severe infection of the cornea that may be caused by bacteria or fungi and,if left untreated,can cause permanent loss of vision is _____.

A)conjunctivitis
B)keratitis
C)blepharitis
D)iritis

Question 18

Which ophthalmic dosage form would not be used to treat herpes zoster ophthalmicus and herpes simplex keratitis?

A)Suspensions
B)Gels
C)Ointments
D)Lotions

Question 19

Which of the following drugs is used to treat,prevent,and suppress recurrent herpetic eye disease but is not U.S.Food and Drug Administration (FDA)approved as prophylaxis for herpes simplex ocular infections?

A)Natamycin
B)Acyclovir
C)Foscarnet
D)Trifluridine

Question 20

_____ is the second leading cause of infectious blindness in the world,according to the World Health Organization (WHO).

A)Toxoplasmosis
B)Macular degeneration
C)Onchocerciasis
D)Herpes zoster ophthalmicus

Question 21

MATCHING
Match the following trade names with their generic name.
a.Ganciclovir
b.Albendazole
c.Gatifloxacin
d.Ofloxacin otic
e.Azithromycin ophthalmic
Albenza

Question 22

MATCHING
Match the following trade names with their generic name.
a.Ganciclovir
b.Albendazole
c.Gatifloxacin
d.Ofloxacin otic
e.Azithromycin ophthalmic
Floxin

Question 23

Why is a "watchful waiting" approach taken for otitis media in children younger than 2 years?

A)For a nonsevere case of otitis media,the problem may take care of itself so antibiotics will not be prescribed to help reduce the risk of bacterial resistance.
B)Not many antibiotics are available to help treat otitis media in children younger than 2 years,so they are reserved for severe cases.
C)The liver in children younger than 2 years is not fully developed to metabolize antibiotics,so antibiotics are reserved for treatment only if necessary.
D)Children younger than 2 years do not like to take antibiotics and may not receive the full dose necessary,thus increasing bacterial resistance;a "watchful wait" is used to make sure they really need an antibiotic.

Question 24

MATCHING
Match the following trade names with their generic name.
a.Ganciclovir
b.Albendazole
c.Gatifloxacin
d.Ofloxacin otic
e.Azithromycin ophthalmic
Azasite

Question 25

MATCHING
Match the following trade names with their generic name.
a.Ganciclovir
b.Albendazole
c.Gatifloxacin
d.Ofloxacin otic
e.Azithromycin ophthalmic
Zymaxid

Question 26

MATCHING
Match the following trade names with their generic name.
a.Ganciclovir
b.Albendazole
c.Gatifloxacin
d.Ofloxacin otic
e.Azithromycin ophthalmic
Cytovene