NURS 5334 QUIZ 9: ANTIPROTOZOAL & ANTHELMINTIC
THERAPEUTICS QUESTIONS AND CORRECT ANSWERS
PLUS RATIONALE NEW UPDATE 2026-2027 UTA
50 QUESTIONS
TABLE OF CONTENTS
# TOPIC
1 Differentiate antiprotozoal and anthelmintic agents by mechanism of action, spectrum, and resistance
mechanisms
2 Apply pharmacokinetic/pharmacodynamic principles to optimize dosing and minimize toxicity in special
populations
3 Evaluate clinical scenarios to select appropriate first-line and alternative therapies based on guidelines
and patient-specific factors
4 Monitor for and manage adverse effects, drug interactions, and treatment failure in antiprotozoal and
anthelmintic therapy
5 NURS 5334 Quiz 9
6 Antiprotozoal & Anthelmintic Therapeutics Questions and Correct Answers plus Rationale New Update
2026
7 2027 UTA
8 Foundations of Antiprotozoal & Anthelmintic Pharmacotherapeutics
9 Applied Antiprotozoal & Anthelmintic Pharmacotherapeutics
10 Advanced Antiprotozoal & Anthelmintic Pharmacotherapeutics
11 Antiprotozoal & Anthelmintic Pharmacotherapeutics Review
ABSTRACT
Page 1
,This study document brings together 50 carefully worded exam questions drawn from NURS 5334
Quiz 9: Antiprotozoal & Anthelmintic Therapeutics Questions and Correct Answers plus Rationale
New Update 2026-2027 UTA, with the strongest emphasis placed on Differentiate antiprotozoal
and anthelmintic agents by mechanism of action, spectrum, and resistance mechanisms, Apply
pharmacokinetic/pharmacodynamic principles to optimize dosing and minimize toxicity in special
populations and Evaluate clinical scenarios to select appropriate first-line and alternative therapies
based on guidelines and patient-specific factors. Every item follows the wording style and level of
reasoning you meet in the real paper, and each one is paired with a clear rationale so the correct
choice is never a guess. Work through the set at your own pace, mark the questions that slow you
down, then come back to them until the reasoning feels automatic. Learners who revise this way
walk into the exam room recognising the pattern behind the questions instead of meeting them for
the first time. Keep going - steady, honest practice is what turns a difficult paper into a comfortable
pass.
Q1 DIFFERENTIATE ANTIPROTOZOAL AND ANTHELMINTIC AGENTS BY MECHANISM OF
ACTION, SPECTRUM, AND RESISTANCE MECHANISMS
A patient with severe chloroquine-resistant Plasmodium falciparum malaria is
prescribed intravenous artesunate. Which statement best explains why artesunate
is preferred over quinine in this setting?
A. Artesunate is a slow-acting schizonticide that prevents recrudescence by eliminating
hypnozoites.
B. Artesunate rapidly reduces parasite biomass via iron-mediated alkylation, lowering mortality
compared to quinine. CORRECT
C. Artesunate is a folate antagonist that synergizes with sulfadoxine-pyrimethamine to overcome
resistance.
D. Artesunate inhibits heme polymerization, causing accumulation of toxic heme in the parasite
digestive vacuole.
RATIONALE: Artesunate is a fast-acting artemisinin that is activated by iron/heme to generate
free radicals that alkylate parasite proteins, leading to rapid parasite clearance and reduced
mortality in severe malaria. Option A is wrong because artesunate does not eliminate
hypnozoites (that is primaquine). Option C describes antifolate synergy, not artesunate's
mechanism. Option D describes chloroquine's mechanism.
Page 2
, Q2 DIFFERENTIATE ANTIPROTOZOAL AND ANTHELMINTIC AGENTS BY MECHANISM OF
ACTION, SPECTRUM, AND RESISTANCE MECHANISMS
A patient with giardiasis is prescribed metronidazole. Which instruction is most
important to include in patient education to prevent a disulfiram-like reaction?
A. Avoid dairy products for 48 hours after completing therapy.
B. Abstain from alcohol during therapy and for at least 3 days after the last dose. CORRECT
C. Take the medication with grapefruit juice to enhance absorption.
D. Increase sun exposure to promote activation of the drug.
RATIONALE: Metronidazole can precipitate a disulfiram-like reaction (flushing, tachycardia,
vomiting) when combined with alcohol; patients must avoid alcohol during and for at least 3 days
after therapy. Dairy and grapefruit juice do not cause this reaction. Sun exposure is unrelated.
Q3 DIFFERENTIATE ANTIPROTOZOAL AND ANTHELMINTIC AGENTS BY MECHANISM OF
ACTION, SPECTRUM, AND RESISTANCE MECHANISMS
A patient with neurocysticercosis is prescribed albendazole. Which
pharmacokinetic property best explains the need for co-administration with a fatty
meal?
A. Albendazole is a prodrug that requires gastric acid for activation.
B. Albendazole has high first-pass metabolism that is saturable with food.
C. Albendazole's absorption is increased up to 5-fold with a fatty meal, enhancing systemic
availability. CORRECT
D. Albendazole is a weak base that precipitates in alkaline environments.
RATIONALE: Albendazole is poorly water-soluble; a fatty meal increases its oral bioavailability
significantly (up to 5-fold), which is critical for treating systemic infections like neurocysticercosis.
It is not a prodrug requiring acid, and its first-pass metabolism is not saturable by food. It does
not precipitate in alkaline environments.
Page 3
THERAPEUTICS QUESTIONS AND CORRECT ANSWERS
PLUS RATIONALE NEW UPDATE 2026-2027 UTA
50 QUESTIONS
TABLE OF CONTENTS
# TOPIC
1 Differentiate antiprotozoal and anthelmintic agents by mechanism of action, spectrum, and resistance
mechanisms
2 Apply pharmacokinetic/pharmacodynamic principles to optimize dosing and minimize toxicity in special
populations
3 Evaluate clinical scenarios to select appropriate first-line and alternative therapies based on guidelines
and patient-specific factors
4 Monitor for and manage adverse effects, drug interactions, and treatment failure in antiprotozoal and
anthelmintic therapy
5 NURS 5334 Quiz 9
6 Antiprotozoal & Anthelmintic Therapeutics Questions and Correct Answers plus Rationale New Update
2026
7 2027 UTA
8 Foundations of Antiprotozoal & Anthelmintic Pharmacotherapeutics
9 Applied Antiprotozoal & Anthelmintic Pharmacotherapeutics
10 Advanced Antiprotozoal & Anthelmintic Pharmacotherapeutics
11 Antiprotozoal & Anthelmintic Pharmacotherapeutics Review
ABSTRACT
Page 1
,This study document brings together 50 carefully worded exam questions drawn from NURS 5334
Quiz 9: Antiprotozoal & Anthelmintic Therapeutics Questions and Correct Answers plus Rationale
New Update 2026-2027 UTA, with the strongest emphasis placed on Differentiate antiprotozoal
and anthelmintic agents by mechanism of action, spectrum, and resistance mechanisms, Apply
pharmacokinetic/pharmacodynamic principles to optimize dosing and minimize toxicity in special
populations and Evaluate clinical scenarios to select appropriate first-line and alternative therapies
based on guidelines and patient-specific factors. Every item follows the wording style and level of
reasoning you meet in the real paper, and each one is paired with a clear rationale so the correct
choice is never a guess. Work through the set at your own pace, mark the questions that slow you
down, then come back to them until the reasoning feels automatic. Learners who revise this way
walk into the exam room recognising the pattern behind the questions instead of meeting them for
the first time. Keep going - steady, honest practice is what turns a difficult paper into a comfortable
pass.
Q1 DIFFERENTIATE ANTIPROTOZOAL AND ANTHELMINTIC AGENTS BY MECHANISM OF
ACTION, SPECTRUM, AND RESISTANCE MECHANISMS
A patient with severe chloroquine-resistant Plasmodium falciparum malaria is
prescribed intravenous artesunate. Which statement best explains why artesunate
is preferred over quinine in this setting?
A. Artesunate is a slow-acting schizonticide that prevents recrudescence by eliminating
hypnozoites.
B. Artesunate rapidly reduces parasite biomass via iron-mediated alkylation, lowering mortality
compared to quinine. CORRECT
C. Artesunate is a folate antagonist that synergizes with sulfadoxine-pyrimethamine to overcome
resistance.
D. Artesunate inhibits heme polymerization, causing accumulation of toxic heme in the parasite
digestive vacuole.
RATIONALE: Artesunate is a fast-acting artemisinin that is activated by iron/heme to generate
free radicals that alkylate parasite proteins, leading to rapid parasite clearance and reduced
mortality in severe malaria. Option A is wrong because artesunate does not eliminate
hypnozoites (that is primaquine). Option C describes antifolate synergy, not artesunate's
mechanism. Option D describes chloroquine's mechanism.
Page 2
, Q2 DIFFERENTIATE ANTIPROTOZOAL AND ANTHELMINTIC AGENTS BY MECHANISM OF
ACTION, SPECTRUM, AND RESISTANCE MECHANISMS
A patient with giardiasis is prescribed metronidazole. Which instruction is most
important to include in patient education to prevent a disulfiram-like reaction?
A. Avoid dairy products for 48 hours after completing therapy.
B. Abstain from alcohol during therapy and for at least 3 days after the last dose. CORRECT
C. Take the medication with grapefruit juice to enhance absorption.
D. Increase sun exposure to promote activation of the drug.
RATIONALE: Metronidazole can precipitate a disulfiram-like reaction (flushing, tachycardia,
vomiting) when combined with alcohol; patients must avoid alcohol during and for at least 3 days
after therapy. Dairy and grapefruit juice do not cause this reaction. Sun exposure is unrelated.
Q3 DIFFERENTIATE ANTIPROTOZOAL AND ANTHELMINTIC AGENTS BY MECHANISM OF
ACTION, SPECTRUM, AND RESISTANCE MECHANISMS
A patient with neurocysticercosis is prescribed albendazole. Which
pharmacokinetic property best explains the need for co-administration with a fatty
meal?
A. Albendazole is a prodrug that requires gastric acid for activation.
B. Albendazole has high first-pass metabolism that is saturable with food.
C. Albendazole's absorption is increased up to 5-fold with a fatty meal, enhancing systemic
availability. CORRECT
D. Albendazole is a weak base that precipitates in alkaline environments.
RATIONALE: Albendazole is poorly water-soluble; a fatty meal increases its oral bioavailability
significantly (up to 5-fold), which is critical for treating systemic infections like neurocysticercosis.
It is not a prodrug requiring acid, and its first-pass metabolism is not saturable by food. It does
not precipitate in alkaline environments.
Page 3
