Antiemetic and Antinausea Drugs Overview Questions with Correct Answers

Antiemetic and Antinausea Drugs Overview Questions with Correct
Answers


Question 1:
What are the main classes of antiemetic and antinausea drugs?
Answer:
Anticholinergic drugs,
Antihistamines, Antidopaminergic drugs, Neurokinin antagonists, Prokinetic drugs, Serotonin
blockers, Tetrahydrocannabinoids.


Question 2:
What is the general mechanism of action for antiemetic drugs?
Answer:
Most work by blocking one of
the vomiting pathways, thus blocking the stimulus that induces vomiting.


Question 3:
What are the general indications for the use of antiemetics?
Answer:
Prevention and reduction of nausea and vomiting.


Question 4:
How do anticholinergic drugs work as antiemetics?
Answer:
They bind to and block acetylcholine
receptors in the inner ear labyrinth and block transmission of nauseating stimuli to the CTZ and
from the reticular formation to the vomiting center.


Question 5:
What is a common example of an anticholinergic antiemetic drug?
Answer:
Scopolamine.