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

Answer and Explanation

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.

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Correct Answer is C

Explanation

Choice A reason: Appetite changes may occur with levothyroxine due to metabolic effects, but they are not the most critical side effect. Excessive thyroid hormone can overstimulate metabolism, but cardiovascular effects, like tachycardia, are more immediate and dangerous, making appetite monitoring less urgent.

Choice B reason: Sleep disturbances may result from levothyroxine’s stimulatory effects, but they are less severe than cardiovascular risks. Overdose can cause insomnia by increasing metabolism, but heart rate is a more direct indicator of hyperthyroidism, which poses greater health risks, making this choice secondary.

Choice C reason: Heart rate is critical to monitor, as levothyroxine increases metabolism, potentially causing tachycardia or arrhythmias if overdosed. Excess thyroid hormone mimics hyperthyroidism, stressing the cardiovascular system, which can lead to palpitations or heart failure, making this the most important parameter for side effect detection.

Choice D reason: Daily weights track fluid or metabolic changes but are less specific for levothyroxine side effects. Weight loss may occur with excess dosing, but cardiovascular effects, like increased heart rate, are more immediate and life-threatening, requiring closer monitoring than weight fluctuations.

A. Observe the client’s ability to easily and quickly open the pill box B. Explain the need to store the medication in the original container C. Remind the client to obtain a fresh supply of pills every 30 days D. Assist in clearly labeling the pill container with directions for use

Correct Answer is B

Explanation

Choice A reason: Observing the client’s ability to open the pill box ensures accessibility but does not address nitroglycerin’s stability. Nitroglycerin degrades when exposed to air, light, or plastic, reducing potency. The original container is critical for maintaining efficacy, making this choice secondary.

Choice B reason: Nitroglycerin must be stored in its original amber glass container to protect it from light, air, and moisture, which degrade its potency. Plastic pill boxes allow exposure, reducing effectiveness for angina relief. Explaining this ensures the client maintains the drug’s therapeutic integrity.

Choice C reason: Reminding the client to refresh nitroglycerin every 30 days is relevant due to its short shelf life, but the priority is proper storage. Without the original container, even fresh pills lose potency, making this choice less critical than ensuring correct storage conditions.

Choice D reason: Labeling the pill box improves usability but does not address nitroglycerin’s stability. Plastic containers expose the drug to air and light, reducing efficacy. Proper storage in the original container is more critical to ensure the drug remains effective for emergency use.

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A client is receiving tetracycline for chlamydia urethritis. The practical nurse (PN) should reinforce which instruction?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The practical nurse (PN) is providing discharge instructions to a client who had a partial thyroidectomy. When explaining the actions of the prescribed thyroid supplement levothyroxine sodium, which parameter should the PN tell the client is most important to monitor for potential side effects?

Correct Answer is C

Explanation

Sublingual nitroglycerin is prescribed PRN for an older adult female client with a history of chest pain. The client shows the practical nurse (PN) a plastic pill box that she purchased so the medication can always be readily available in her purse. Which action should the PN take?

Correct Answer is B

Explanation

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