The nurse is caring for an 18-year-old client who has recently been prescribed montelukast. Which statement made by the client indicates understanding of the newly prescribed medication?
"This medication has a tendency to produce anaphylaxis."
"Bloodwork is required regularly to monitor the therapeutic levels of this medication."
"This medication is for long-term treatment for asthma."
"I can repeat this medication twice prior to seeking medical attention."
The Correct Answer is C
A. Anaphylaxis is not a common side effect of montelukast.
B. Regular blood monitoring is not required with montelukast.
C. Montelukast is a leukotriene receptor antagonist, used for long-term management of asthma and to prevent exercise-induced bronchoconstriction.
D. Montelukast is not intended for immediate relief or repeated dosing in acute situations.
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Correct Answer is B
Explanation
A. Topical ointment has a slower onset as it must be absorbed through the skin before it can exert its effects.
B. Sublingual nitroglycerin provides rapid relief of angina symptoms because it is absorbed quickly into the bloodstream through the mucous membranes in the mouth, allowing for an immediate effect.
C. Transdermal patches release nitroglycerin slowly over time, leading to a delayed onset of action.
D. Sustained-release formulations are designed for prolonged effects rather than rapid onset, making them slower to take effect compared to sublingual administration.
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.