Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

18 Questions

1 Views

Anti-emetics and Anti-vertigo Drugs

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which of the following antiemetic classes is associated with the antagonism of dopamine D2 receptors?

Selective 5-HT3 Antagonists

H1 Antihistamines

D2 Antagonists (correct)

Muscarinic Antagonists

Which antiemetic is a selective 5-HT3 antagonist and is used to treat chemotherapy-induced nausea and vomiting?

Metoclopramide

Diphenhydramine

Hyoscine

Ondansetron (correct)

Which antiemetic class is associated with the blockade of muscarinic receptors?

Selective 5-HT3 Antagonists

D2 Antagonists

H1 Antihistamines

Muscarinic Antagonists (correct)

What is the mechanism of action of Metoclopramide as a prokinetic agent?

Blocks the normal inhibitory effect of dopamine on cholinergic smooth muscle stimulation Signup and view all the answers

Which of the following antiemetics is a cannabinoid?

Dronabinol Signup and view all the answers

What is the primary site of action of Metoclopramide as an antiemetic?

Chemoreceptor Trigger Zone (CTZ) of the medulla Signup and view all the answers

Which of the following antiemetics does not cross the blood-brain barrier?

Domperidone Signup and view all the answers

What is the primary mechanism of action of phenothiazines as antiemetics?

D2 antagonism and anti-muscarinic properties Signup and view all the answers

Which of the following adverse effects is commonly associated with phenothiazines?

Extrapyramidal symptoms Signup and view all the answers

Which of the following selective 5-HT3 antagonists has a longer half-life?

Palonosetron Signup and view all the answers

What is the main advantage of using domperidone in patients taking levodopa?

It does not affect the efficacy of levodopa Signup and view all the answers

Which of the following antiemetics is used to treat nausea and vomiting caused by chemotherapy?

Ondansetron Signup and view all the answers

Which type of receptors are rich in the vestibular system, contributing to motion sickness?

Cholinergic M1 & Histamine H1 Signup and view all the answers

What is the primary mechanism of action of H1 antihistamines in treating motion sickness?

Inhibiting the influx of calcium to vestibular sensory cells Signup and view all the answers

What is the primary pharmacokinetic characteristic of dronabinol?

Complete absorption with significant first-pass effect Signup and view all the answers

Which of the following drugs is used to reduce anticipatory vomiting prior to cancer chemotherapy?

Diazepam Signup and view all the answers

What is the primary advantage of meclizine over other H1 antihistamines in treating motion sickness?

It has a longer duration of action Signup and view all the answers

What is the primary mechanism of action of cannabinoids in treating nausea and vomiting?

Acting as antiemetics and appetite stimulants Signup and view all the answers