Deck 43: Antimalarial, Anti-protozoal, and Anthelmintic Drugs

Question 1

Certain antimalarial drugs work only during specific phases of the parasite's life cycle.Drugs that work in the "tissue" phase are known as ____________ ____________ drugs.

Answer 1

exoerythrocytic phase

Question 2

A patient is prescribed anthelmintic therapy.Which of the following adverse reactions should the nurse tell this patient about?

A)Nervousness
B)Insomnia
C)Decreased appetite
D)Constipation

Answer 2

Decreased appetite

Question 3

A patient who is being treated for malaria has started therapy with quinine and tetracycline.He asks the nurse why he is on an antibiotic when malaria is caused by a parasite.What is the nurse's best explanation to the patient?

A)The tetracycline prevents reinfection with the malaria parasite.
B)The antibiotic is combined with quinine to reduce the adverse effects of the quinine.
C)An antibacterial drug prevents the occurrence of superinfection during antimalarial therapy.
D)The combination of both drugs takes advantage of their synergistic protozoacidal effects.

Answer 3

The combination of both drugs takes advantage of their synergistic protozoacidal effects.

Question 4

Which drug is used for the treatment of Pneumocystis jirovecii pneumonia in late-stage human immunodeficiency virus (HIV)infection?

A)iodoquinol
B)pentamidine
C)praziquantel (Biltricide)
D)metronidazole (Flagyl)

Question 5

Which of the following is a true statement about anthelmintic therapy?

A)Anthelmintics may cause severe drowsiness.
B)Anthelmintics are very specific in their actions.
C)Anthelmintics are effective against broad classes of infestations.
D)Anthelmintics are used to treat protozoal infections,such as intestinal amoebiasis.

Question 6

A patient is prescribed metronidazole (Flagyl)to treat the most common intestinal protozoal infection,caused by Giardia lamblia.What important information should the nurse tell the patient about using this drug?

A)The urine may become dilute and pale during therapy.
B)Taking the medications with food reduces gastrointestinal upset.
C)The medication should be taken on an empty stomach.
D)The drug may be discontinued once the diarrhea subsides.

Question 7

A woman is travelling to a country that poses a high risk for malarial infections.What important information should the nurse teach her regarding prophylactic therapy with chloroquine?

A)The medication is better absorbed and has fewer adverse effects if taken on an empty stomach.
B)This drug should be started 3 weeks before exposure but can be discontinued after she leaves the area.
C)This drug is taken only when she observes mosquito bites because it can have toxic effects if taken unnecessarily.
D)This drug is usually started 2 weeks before exposure to malarial areas and continued for 8 weeks after leaving the area.

Question 8

A patient is travelling to a country where malaria is endemic.Which of the following antimalarial drugs will a health care provider likely recommend as prophylaxis?

A)quinine
B)chloroquine
C)mefloquine (Lariam)
D)primaquine

Question 9

Which of the following drugs is used to kill flukes?

A)praziquantel (Biltricide)
B)pyrantel (Combantrin)
C)mebendazole (Vermox)
D)diethylcarbamazine

Question 10

A patient has a roundworm infestation.The physician has prescribed mebendazole (Vermox).What adverse effects should the nurse tell the patient about?

A)Vertigo
B)Seizures
C)Diarrhea
D)Insomnia