An Angina Pectoris patient begins taking nifedipine [Procardia] a calcium channel blocker, along with metoprolol, to treat hypertension. The nurse understands that metoprolol is used to:
prevent constipation.
minimize gingival hyperplasia.
prevent recurrent chest pain
reduce flushing.
The Correct Answer is C
(A) Prevent constipation: Calcium channel blockers can cause constipation, but metoprolol does not prevent it.
(B) Minimize gingival hyperplasia: Gingival hyperplasia is a side effect of calcium channel blockers, but metoprolol does not counteract it.
(C) Prevent recurrent chest pain: Nifedipine can cause reflex tachycardia, which increases myocardial oxygen demand. Metoprolol (a beta-blocker) prevents this by slowing the heart rate and reducing myocardial workload, thereby preventing angina.
(D) Reduce flushing: Flushing is a side effect of nifedipine, but metoprolol is not used for this purpose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
(A) Phenotype: Represents observable traits such as height, eye color, and blood type.
(B) Chromosome: Structure carrying genetic information, not a trait.
(C) Genotype: The genetic makeup, not the observable characteristics.
(D) Allele: Different versions of a gene, but not the overall appearance.
Correct Answer is B
Explanation
(A) Obtain a urine specimen: Important for diagnosis but not the priority over pain management.
(B) Administer prescribed analgesics: Pain relief is the priority in acute urolithiasis, as renal colic is excruciating.
(C) Encourage oral fluids: Helps prevent further stone formation but is secondary to pain relief.
(D) Prepare the patient for surgery: Surgery is only indicated for large, obstructing stones, not a first-line intervention.
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