A client is receiving tetracycline for chlamydia urethritis. The practical nurse (PN) should reinforce which instruction?
Protect skin from sun exposure
Take with meals or milk products
Do not take with grapefruit juice
Wear tampons during menses
The Correct Answer is A
Choice A reason: Tetracycline causes photosensitivity, increasing UV-induced skin damage risk due to its accumulation in skin cells, triggering photochemical reactions. Protecting skin with sunblock or clothing prevents severe sunburn or rash, making this critical instruction for safe use during chlamydia treatment.
Choice B reason: Taking tetracycline with meals or milk reduces absorption, as calcium and magnesium bind the drug, forming insoluble complexes. This decreases efficacy, making it incorrect. Tetracycline should be taken on an empty stomach to ensure optimal bioavailability for infection treatment.
Choice C reason: Grapefruit juice affects drugs metabolized by CYP3A4, not tetracycline, which is not significantly influenced by this enzyme. This instruction is irrelevant, as tetracycline’s pharmacokinetics are unaffected by grapefruit, making it unnecessary for managing chlamydia treatment.
Choice D reason: Wearing tampons during menses is unrelated to tetracycline use. The drug treats bacterial infections, not menstrual management, and has no gynecological implications requiring tampon use. This choice is irrelevant to the medication’s administration or side effect profile.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: Recording blood pressures is relevant, as diazepam may cause hypotension, but it is less critical than respiratory monitoring. Status epilepticus requires rapid seizure control, and diazepam’s respiratory depression risk is more immediate, as it can lead to life-threatening hypoxia if not addressed promptly.
Choice B reason: Measuring urinary output monitors renal function but is not urgent in status epilepticus. Diazepam’s primary risk is respiratory depression, not renal effects. Ensuring airway and breathing stability is more critical, as seizures and the drug both threaten respiratory function, making this choice secondary.
Choice C reason: Monitoring respiratory rate and effort is critical, as diazepam, a CNS depressant, can cause respiratory depression, especially in status epilepticus, where seizures already compromise breathing. Hypoventilation risks hypoxia, potentially leading to brain damage or death, making this the most urgent intervention to ensure airway safety.
Choice D reason: Observing eye deviation may indicate ongoing seizures but is less urgent than respiratory monitoring. Diazepam controls seizures, but its side effect of respiratory depression poses an immediate threat. Ensuring adequate ventilation is the priority to prevent hypoxia during acute seizure management.
Correct Answer is D
Explanation
Choice A reason: Eating aged cheeses, high in tyramine, is relevant for monoamine oxidase inhibitors, not TCAs, which do not interact with tyramine. This dietary habit does not affect TCA-related sleep disturbances, making it irrelevant for addressing the client’s early morning awakening.
Choice B reason: Taking a warm bath at night may promote relaxation but does not directly address TCA-related sleep issues. While helpful for general sleep hygiene, it is less critical than medication timing, which directly influences TCA’s stimulatory effects on sleep patterns.
Choice C reason: Dry mouth is a common TCA side effect due to anticholinergic properties but is not directly linked to sleep disturbances. It may cause discomfort but does not explain or address early morning awakening, making this information less relevant for sleep improvement.
Choice D reason: Taking TCAs upon rising can cause insomnia, as their stimulatory effects peak during sleep hours. TCAs increase norepinephrine, disrupting sleep architecture. Adjusting to bedtime dosing may reduce early morning awakening, making this information critical for optimizing sleep and therapeutic outcomes.
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