Antiemetic and Antinausea Drugs Exam Questions with Correct Answers
Question 1:
Nausea
Answer:
Unpleasant feeling that often precedes vomiting
Question 2:
Emesis (vomiting)
Answer:
Forcible emptying of gastric, and occasionally, intestinal contents
Question 3:
Antiemetic drugs
Answer:
Used to relieve nausea and vomiting
Question 4:
Vomiting center (VC)
Answer:
Area in the brain that is responsible for initiating the physiologic events that lead to nausea and
vomiting.
Question 5:
Chemoreceptor trigger zone (CTZ)
Answer:
involved in the induction of nausea and vomiting.
Question 6:
Antiemetics and Antinausea Drugs: Classes
-Antihistamines (histamine 1 [H1] receptor blockers).
-Antidopaminergic drugs.
-Prokinetic drugs.
-Serotonin blockers.
Answer:
-Anticholinergic drugs.
-Tetrahydrocannabinoids.
, Question 7:
Antiemetics and Antinausea Drugs: Mechanism of Action
Answer:
Most work by blocking one of thevomiting pathways, thus blocking the stimulus that induces
vomiting
Question 8:
Antiemetics and Antinausea Drugs: Indications
Answer:
General use for each type: prevention and reduction of nausea and vomiting
Question 9:
Anticholinergic drugs (ACh blockers): Mechanism of Action (ACh) receptors in the inner ear
labyrinth.
-Block transmission of nauseating stimuli to CTZ.
Answer:
-Bind to and block acetylcholine
-Also block transmission of nauseating stimuli from the reticular formation to the VC.
Question 10:
Anticholinergic drugs (ACh blockers): Example
Answer:
scopolamine (Transderm-Scōp, Scopace)
Question 11:
The nurse is preparing to administer scopolamine to a patient. It is most important for the
nurse to determine if the patient has a history of which condition?
A. Cataracts
B. Narrow-angle glaucoma
C. Presbyopia
D. Detached retina
Answer:
B. The nurse should only administer the anticholinergic drug scopolamine
after careful assessment of the patient's health history and medication history. One very
important concern to reemphasize with scopolamine, which is commonly administered in patch
form to prevent motion sickness, is the contraindication to its use in patients with narrow-angle
glaucoma. If the patient has a history of this disorder, then another antiemetic or antinausea
drug should be used.
Question 1:
Nausea
Answer:
Unpleasant feeling that often precedes vomiting
Question 2:
Emesis (vomiting)
Answer:
Forcible emptying of gastric, and occasionally, intestinal contents
Question 3:
Antiemetic drugs
Answer:
Used to relieve nausea and vomiting
Question 4:
Vomiting center (VC)
Answer:
Area in the brain that is responsible for initiating the physiologic events that lead to nausea and
vomiting.
Question 5:
Chemoreceptor trigger zone (CTZ)
Answer:
involved in the induction of nausea and vomiting.
Question 6:
Antiemetics and Antinausea Drugs: Classes
-Antihistamines (histamine 1 [H1] receptor blockers).
-Antidopaminergic drugs.
-Prokinetic drugs.
-Serotonin blockers.
Answer:
-Anticholinergic drugs.
-Tetrahydrocannabinoids.
, Question 7:
Antiemetics and Antinausea Drugs: Mechanism of Action
Answer:
Most work by blocking one of thevomiting pathways, thus blocking the stimulus that induces
vomiting
Question 8:
Antiemetics and Antinausea Drugs: Indications
Answer:
General use for each type: prevention and reduction of nausea and vomiting
Question 9:
Anticholinergic drugs (ACh blockers): Mechanism of Action (ACh) receptors in the inner ear
labyrinth.
-Block transmission of nauseating stimuli to CTZ.
Answer:
-Bind to and block acetylcholine
-Also block transmission of nauseating stimuli from the reticular formation to the VC.
Question 10:
Anticholinergic drugs (ACh blockers): Example
Answer:
scopolamine (Transderm-Scōp, Scopace)
Question 11:
The nurse is preparing to administer scopolamine to a patient. It is most important for the
nurse to determine if the patient has a history of which condition?
A. Cataracts
B. Narrow-angle glaucoma
C. Presbyopia
D. Detached retina
Answer:
B. The nurse should only administer the anticholinergic drug scopolamine
after careful assessment of the patient's health history and medication history. One very
important concern to reemphasize with scopolamine, which is commonly administered in patch
form to prevent motion sickness, is the contraindication to its use in patients with narrow-angle
glaucoma. If the patient has a history of this disorder, then another antiemetic or antinausea
drug should be used.
