A patient prescribed a muscarinic-receptor blocker will require assessment for what side effect?
Dry mouth
Orthostatic hypotension
Pseudoparkinsonism
Gynecomastia
The Correct Answer is A
Choice A reason: Muscarinic receptor blockers inhibit parasympathetic activity, reducing salivary gland secretion via acetylcholine pathways. This causes dry mouth, as muscarinic receptors in salivary glands are blocked, decreasing saliva production. This anticholinergic effect is common in drugs like benztropine, requiring assessment to manage discomfort and prevent oral health issues.
Choice B reason: Orthostatic hypotension is linked to alpha-1 adrenergic blockade, not muscarinic receptors. Muscarinic blockers affect cholinergic pathways, not vascular tone regulated by norepinephrine. While autonomic effects occur, hypotension is not a primary consequence, making this side effect unrelated to muscarinic receptor antagonism.
Choice C reason: Pseudoparkinsonism results from dopamine receptor blockade, common in antipsychotics, not muscarinic blockers. Muscarinic receptors regulate parasympathetic functions like salivation, not motor control. Blocking muscarinic receptors may alleviate parkinsonism by balancing cholinergic-dopaminergic activity, making this an incorrect side effect for assessment.
Choice D reason: Gynecomastia is associated with hormonal imbalances or dopamine blockade, not muscarinic receptors. Muscarinic blockers affect cholinergic systems, not prolactin or estrogen pathways. This side effect is unrelated to muscarinic antagonism, which primarily causes anticholinergic effects like dry mouth, not endocrine changes.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: Medication education addresses self-actualization or esteem needs in Maslow’s hierarchy, which are lower priority. Psychotic symptoms like hallucinations, driven by dopamine dysregulation, pose immediate safety risks, taking precedence over education, which assumes cognitive stability not yet achieved in acute psychosis, per Maslow’s prioritization.
Choice B reason: Alienation relates to belongingness needs, third in Maslow’s hierarchy. While important, psychotic hallucinations, linked to hyperactive mesolimbic dopamine pathways, indicate a safety threat, a basic physiological need. Addressing safety precedes social needs, as unresolved psychosis can exacerbate isolation, making this a lower priority.
Choice C reason: Reluctance for social activities reflects belongingness needs, lower in Maslow’s hierarchy. Hallucinations, driven by neurochemical imbalances like excess dopamine, pose immediate safety risks, a physiological need. Social participation requires cognitive stability, which is compromised in psychosis, making this issue secondary to urgent safety concerns.
Choice D reason: Hearing voices urging self-protection indicates a safety threat, a basic physiological need in Maslow’s hierarchy. Hallucinations, linked to dopamine overactivity in the mesolimbic pathway, can lead to harmful behaviors. Addressing this stabilizes the patient, taking priority over higher-level needs like social connection or education, per Maslow’s framework.
Correct Answer is D
Explanation
Choice A reason: Linking mental illness to brain disorders, like dopamine imbalances in schizophrenia, is factual and reduces stigma by emphasizing neurobiological causes. This aligns with scientific understanding, not perpetuating blame or stereotypes, making it an incorrect choice for reflecting stigma.
Choice B reason: Genetic predisposition, such as serotonin transporter gene variations, is a scientific explanation for mental illness. This reduces stigma by highlighting biological causes, not personal failings, aligning with evidence-based understanding and making it an incorrect choice for stigmatizing mental illness.
Choice C reason: Recognizing mental illness in children, like ADHD with dopamine deficits, normalizes early diagnosis and treatment. This factual statement reduces stigma by acknowledging neurobiological conditions across ages, making it an incorrect choice for reflecting stigmatizing attitudes toward mental illness.
Choice D reason: Blaming mental illness on family breakdown ignores neurobiological causes, like serotonin or dopamine imbalances, and perpetuates stigma by implying personal or social failure. This judgmental view misrepresents scientific evidence, making it the correct choice for reflecting stigmatizing attitudes toward mental illness.
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