Amlodipine (Norvasc) has been ordered for a client with newly diagnosed Prinzmetal's (variant) angina. The nurse knows the purpose of the amlodipine is to do which of the following?
It decreases spasm of the coronary arteries
It increases the force of myocardial contraction
It helps prevent clotting in the coronary arteries.
It reduces the "fight or flight" response.
The Correct Answer is A
A. It decreases spasm of the coronary arteries: Amlodipine is a calcium channel blocker that relaxes vascular smooth muscle, making it effective in treating coronary artery spasms in Prinzmetal's angina.
B. It increases the force of myocardial contraction: Amlodipine does not increase myocardial contractility; it primarily affects vascular tone.
C. It helps prevent clotting in the coronary arteries: Amlodipine is not an anticoagulant or antiplatelet agent.
D. It reduces the "fight or flight" response: Beta-blockers, not amlodipine, are typically associated with reducing the sympathetic nervous system response.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["C","E","G","I"]
Explanation
A. Client should increase potassium-rich foods in the diet: Not applicable, as mitral valve prolapse (MVP) is not related to potassium levels.
B. Family members of the client should have a cardiac screening: This is unnecessary unless there is a strong family history of connective tissue disorders associated with MVP.
C. Client should notify the provider if palpitations develop: Palpitations can indicate arrhythmias, which are a possible complication of MVP.
D. Female clients should use measures to prevent pregnancy: Pregnancy is generally not contraindicated in MVP unless there is significant valve regurgitation.
E. Client should use caution when taking OTC medications: Stimulants in OTC drugs, like decongestants, can exacerbate palpitations.
F. Client should avoid extremely hot or cold environments: This is not typically required for MVP.
G. Client should be encouraged to quit smoking: Smoking can exacerbate cardiovascular risks associated with MVP.
H. Client requires prophylactic antibiotics before dental procedures: Not recommended unless there is a history of endocarditis or significant valve regurgitation.
I. Client should avoid high amounts of caffeine and alcohol: Both can exacerbate symptoms like palpitations and arrhythmias.
Correct Answer is C
Explanation
A. "It is an amino acid which reflects damage to the endothelial lining of arteries." BNP is not related to endothelial damage.
B. "It is a substance composed of free fatty acids reflective of atherosclerosis." BNP is not composed of free fatty acids, and it does not reflect atherosclerosis.
C. "It is a reliable indicator of the presence of heart failure." BNP is a hormone released by the heart in response to increased pressure and volume. Elevated levels of BNP are commonly used as a diagnostic marker for heart failure, especially during exacerbations or decompensation.
D. "It is a protein produced by the liver in response to systemic inflammation." BNP is produced by the heart, not the liver.
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