A student asks the pharmacology instructor to explain the action of anticholinergic agents.
What would be the instructor's best response?
They compete with serotonin for muscarinic acetylcholine receptor sites.
They increase norepinephrine at the neuromuscular junction.
They block nicotinic receptors.
They act to block the effects of the parasympathetic nervous system.
The Correct Answer is D
Choice A rationale
Serotonin does not compete with anticholinergic agents at muscarinic acetylcholine receptor sites; anticholinergics target these receptors to inhibit the parasympathetic nervous system.
Choice B rationale
Anticholinergics do not increase norepinephrine at the neuromuscular junction.
Choice C rationale
Nicotinic receptors are primarily affected by different classes of drugs, such as neuromuscular blockers.
Choice D rationale
Anticholinergics inhibit the actions of the parasympathetic nervous system by blocking muscarinic receptors, reducing bodily functions like saliva production, digestion, and urination.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
The rebound effect is typically associated with decongestants rather than topical nasal steroids. It occurs when nasal congestion worsens after stopping decongestant use.
Choice B rationale
Local ulceration is a potential adverse reaction to topical nasal steroids due to the localized irritation and thinning of the nasal mucosa with prolonged use.
Choice C rationale
Increased nasal drainage is not a common adverse reaction to topical nasal steroids. These medications typically reduce inflammation and decrease nasal drainage.
Choice D rationale
Suppression of healing is not an adverse reaction associated with topical nasal steroids. These drugs are more likely to reduce inflammation and promote healing of the nasal mucosa.
Correct Answer is ["C","D","E"]
Explanation
Choice A rationale
Analyzing data collected is part of the assessment phase, not the intervention phase.
Choice B rationale
Collecting a nursing history is part of the assessment phase of the nursing process, not the intervention phase.
Choice C rationale
Determining medication effectiveness is a critical aspect of the intervention phase, as it assesses the therapeutic outcomes of the administered drugs.
Choice D rationale
Documenting the medication is a key action in the intervention phase to ensure accurate and up-to-date patient records and safe administration.
Choice E rationale
Administering the medication is a direct intervention related to drug therapy and is part of the intervention phase.
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