A nurse is assessing a client who is taking codeine 60 mg PO every 4 hr as necessary to suppress a cough.
Which of the following findings is the priority for the nurse to report to the provider?
Constipation.
Dry mouth.
Agitation.
Urinary retention.
The Correct Answer is C
Choice A rationale
Constipation is a very common and expected adverse effect of codeine due to its opioid effects on gastrointestinal motility, specifically by decreasing propulsive contractions. While it requires management, it is generally not the highest priority unless it leads to severe complications like impaction, making other acute symptoms more immediately concerning. Normal bowel frequency varies but ranges from three times daily to three times weekly.
Choice B rationale
Dry mouth, or xerostomia, is a common anticholinergic-like effect of opioid medications like codeine. While uncomfortable, it is typically a mild, non-life-threatening side effect. It can be managed with hydration and oral hygiene measures and does not represent an acute physiological threat requiring immediate reporting as a priority.
Choice C rationale
Agitation, especially in the context of opioid use, can be a sign of central nervous system excitation or an idiosyncratic reaction. It can indicate a paradoxical effect of the medication or an emerging adverse event that could escalate to more serious neurological complications, such as seizures or respiratory compromise if not promptly addressed.
Choice D rationale
Urinary retention is a known adverse effect of opioids due to their effect on bladder detrusor muscle tone and sphincter function. While it is important to monitor and manage, potentially requiring catheterization, it is generally not as immediately life-threatening as signs of central nervous system instability or respiratory compromise, making agitation a higher priority in the acute setting.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Allopurinol is a xanthine oxidase inhibitor. This enzyme is crucial in the purine catabolism pathway, converting xanthine and hypoxanthine into uric acid. By inhibiting xanthine oxidase, allopurinol effectively decreases the de novo synthesis of uric acid, thereby lowering serum uric acid levels. This reduction prevents the formation of uric acid crystals in joints and tissues, which are responsible for the painful manifestations of gout.
Choice B rationale
Tophus formation is a direct consequence of chronic hyperuricemia, where uric acid crystals accumulate in soft tissues, leading to palpable nodules. Allopurinol's primary mechanism of action is to reduce uric acid levels. By achieving this, it prevents further crystal deposition and can even lead to the regression of existing tophi over time. Therefore, it does not increase tophus formation.
Choice C rationale
Allopurinol's mechanism of action is specifically related to uric acid metabolism. It does not directly influence calcium homeostasis in the body. Calcium levels are primarily regulated by parathyroid hormone, calcitonin, and vitamin D, which are distinct physiological pathways unrelated to xanthine oxidase inhibition. Therefore, it does not lower calcium levels.
Choice D rationale
While allopurinol ultimately helps relieve joint inflammation in gout, it does so indirectly. Its primary action is to reduce uric acid production, which then prevents the formation of inflammatory uric acid crystals. The direct reduction of inflammation is typically achieved by anti-inflammatory drugs like NSAIDs or colchicine, which act on inflammatory mediators or pathways, not directly by allopurinol.
Correct Answer is B
Explanation
Choice A rationale
Nystagmus, an involuntary rhythmic eye movement, is not a recognized or common adverse effect of oral albuterol. Albuterol is a beta-2 adrenergic agonist primarily acting on bronchial smooth muscle to cause bronchodilation. Its side effects are typically related to sympathetic nervous system stimulation, not oculomotor dysfunction.
Choice B rationale
Tachycardia is a common adverse effect of oral albuterol due to its systemic absorption and stimulation of beta-1 adrenergic receptors in the heart, in addition to its primary beta-2 effects on the lungs. This leads to an increased heart rate (normal range 60-100 bpm) and can cause palpitations, especially in sensitive individuals or with higher doses.
Choice C rationale
Drowsiness is not a typical adverse effect of oral albuterol. In fact, due to its stimulant properties, albuterol is more likely to cause central nervous system excitation, leading to insomnia, nervousness, or tremors rather than sedation. Its action is to activate adrenergic pathways, which generally promote alertness.
Choice D rationale
Oral fungal infections, such as oral candidiasis (thrush), are commonly associated with inhaled corticosteroids, not oral albuterol. Inhaled corticosteroids suppress the local immune response in the oral cavity, allowing opportunistic fungal growth. Oral albuterol does not have immunosuppressive effects on the oral mucosa.
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