Which of the following drug classes does isosorbide (Isordil) belong to?
Beta blockers
Nitrates
Calcium channel blockers
Glycoprotein lib/lla receptor antagonists
The Correct Answer is B
Explanation:
A. Beta blockers are used to manage blood pressure and heart rate but are a different class.
B. Isosorbide is a nitrate, which is used primarily to treat and prevent episodes of angina by relaxing and widening blood vessels.
C. Calcium channel blockers also manage blood pressure and chest pain but act through a different mechanism.
D. Glycoprotein IIb/IIIa receptor antagonists are used to prevent platelet aggregation and are typically used in acute coronary syndrome, not as a long-term treatment for angina.
Nursing Test Bank
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Related Questions
Correct Answer is D
Explanation
A. Beta-adrenergic blockers primarily work by decreasing heart rate and contractility rather than directly affecting peripheral resistance.
B. Beta-adrenergic blockers decrease contractility and heart rate, rather than increasing them.
C. Relaxation of arterial and venous smooth muscle is typically associated with calcium channel blockers, not beta-adrenergic blockers.
D. Beta-adrenergic blockers slow the heart rate and reduce the force of contraction of the heart muscle, reducing myocardial oxygen demand and helping to relieve angina symptoms.
Correct Answer is B
Explanation
A. Slow heart rate and difficulty standing are not typical symptoms of angina.
B. Chest pain that occurs on physical exertion or emotional stress is the classic symptom of angina, caused by reduced blood flow to the heart muscle.
C. Sudden weakness with a severe headache could suggest other medical issues such as a stroke, not angina.
D. Difficulty breathing and increased temperature are not specific to angina and could indicate other health problems like infection or respiratory issues.
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