ATI RN
NCLEX questions on chemotherapy drugs Questions
Question 1 of 5
Chloroquine acts as
Correct Answer: B
Rationale: Chloroquine is an erythrocytic schizontocide, effective against blood-stage P. falciparum and P. vivax.
Question 2 of 5
The following is true of quinine
Correct Answer: B
Rationale: Quinine is not used for malaria prophylaxis due to toxicity and short duration of action.
Question 3 of 5
Which of the following antimalarial drugs is more active against pre-and exoerythrocytic stages of the malarial parasite than against the erythrocytic stage?
Correct Answer: B
Rationale: Primaquine targets pre- and exoerythrocytic stages (hypnozoites), more than erythrocytic stages.
Question 4 of 5
Choose the correct statement(s) about metronidazole
Correct Answer: A
Rationale: Metronidazole is the drug of choice for amoebic dysentery and liver abscess, but not the most effective for cyst eradication.
Question 5 of 5
Tinidazole differs from metronidazole in that
Correct Answer: C
Rationale: Tinidazole has a longer half-life than metronidazole, allowing less frequent dosing.