A nurse is teaching a patient about the use of sildenafil [Viagra] for erectile dysfunction. Which statement by the patient indicates understanding of the teaching?
"This drug may cause me to have an erection when I don't want one."
"If my erection lasts longer than 6 hours, I should contact my provider."
"If I have chest pain with sildenafil, I can use my nitroglycerin as prescribed."
"I should take this drug 5 minutes before sexual activity."
The Correct Answer is B
A. While sildenafil can cause erections, it does not typically lead to unwanted erections; it requires sexual stimulation to be effective.
B. An erection lasting longer than 6 hours, known as priapism, is a serious side effect and requires immediate medical attention, indicating the patient understands this risk.
C. Using nitroglycerin with sildenafil can lead to dangerous drops in blood pressure, and patients should be advised to avoid this combination.
D. Sildenafil should be taken about 30 minutes to 1 hour before sexual activity for best results, not just 5 minutes prior.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Benadryl is an antihistamine used primarily for allergies and has no role in treating glaucoma.
B. Carteolol is a beta-blocker used in the management of glaucoma, but it is not a prostaglandin analogue.
C. Dicyclomine is an anticholinergic agent used to treat irritable bowel syndrome and is not related to glaucoma treatment.
D. Bimatoprost is a prostaglandin analogue specifically indicated for the treatment of glaucoma and is effective in lowering intraocular pressure by increasing aqueous humor outflow.
Correct Answer is A
Explanation
A. Diphenhydramine is an H1 antihistamine that works by blocking the effects of histamine at H1 receptor sites, thus alleviating allergy symptoms.
B. H2 receptor sites are primarily involved in gastric acid secretion, and diphenhydramine does not affect these receptors.
C. Diphenhydramine does not stimulate histamine effects; it blocks them instead.
D. The medication does not occupy all H receptor sites; it specifically targets H1 receptors to exert its effects.
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