ATI RN
ATI Pharmacology Quiz 240 Questions
Extract:
Question 1 of 5
Which of the following drug classes does isosorbide (Isordil) belong to?
Correct Answer: B
Rationale: Isosorbide belongs to the class of nitrates, which are vasodilators used to treat angina by dilating blood vessels and increasing blood flow. It works by relaxing smooth muscles in blood vessels, reducing the heart's workload and improving oxygen supply to the heart. Beta blockers (
A) slow heart rate, calcium channel blockers (
C) relax blood vessels by blocking calcium entry, and glycoprotein lib/lla receptor antagonists (
D) prevent platelet aggregation, all different mechanisms than nitrates.
Question 2 of 5
Correct Answer:
Rationale:
Question 3 of 5
Correct Answer:
Rationale:
Question 4 of 5
Correct Answer:
Rationale:
Question 5 of 5
Correct Answer:
Rationale: