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 ["A","B","C","E"]
Explanation
A. Bring the crash cart to the bedside: Essential for advanced cardiac life support (ACLS), including defibrillation and medications.
B. Start cardiopulmonary resuscitation: High-quality CPR is critical to maintain circulation until defibrillation can occur.
C. Defibrillate the client: Defibrillation is the definitive treatment for ventricular fibrillation to restore a normal rhythm.
D. Administer adenosine (Adenocard) to assist in determining the rhythm: Adenosine is used for diagnosing or treating certain supraventricular tachycardias, not ventricular fibrillation.
E. Consider the "Hs and Ts": Identifying reversible causes of cardiac arrest (e.g., hypoxia, hypothermia, toxins) is part of the ACLS protocol.
Correct Answer is D
Explanation
A. Restlessness: This may occur in the pre-active phase of dying but is not specific to the actively dying phase.
B. Decreased appetite: A reduced appetite is common earlier in the dying process, not specific to the actively dying phase.
C. Skin pallor: Skin changes, such as pallor, occur earlier; mottling is more indicative of the actively dying phase.
D. Anuria: Anuria (absence of urine output) is a hallmark sign of multisystem failure and the actively dying phase.
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