A client receives a prescription for 250 mg of tetracycline PO every other day for acne. Which instruction should the nurse give regarding the best way to take the medication?
Take medication with a dairy product.
Take medication on an empty stomach.
Take medication with a meal.
Take medication before taking an iron product.
The Correct Answer is B
A. Taking tetracycline with a dairy product is not recommended because calcium binds to the medication, forming an insoluble complex that significantly reduces absorption and effectiveness. This can make the antibiotic less effective in treating acne.
B. Taking tetracycline on an empty stomach (usually 1 hour before or 2 hours after meals) is the best practice because it maximizes absorption. An empty stomach ensures that food, calcium, magnesium, or other minerals do not interfere with the drug’s bioavailability.
C. Taking tetracycline with a meal is sometimes done to reduce gastrointestinal upset, but it can decrease absorption and therapeutic effectiveness. If gastrointestinal discomfort occurs, spacing the dose around lighter foods is preferable, but the priority is maintaining absorption.
D. Taking tetracycline before an iron product is partially correct, as iron also binds tetracycline and reduces absorption. However, the broader and safest instruction is to take the medication on an empty stomach, ensuring it is not taken with iron, calcium, or other minerals. Timing around meals and supplements should be carefully managed.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. While supervision and evaluation are important for ongoing competency, immediate correction of the observed hand hygiene practice is more appropriate than waiting to observe in the next client’s room.
B. Gloves are not required for routine vital signs unless there is anticipated contact with bodily fluids or broken skin. Advising universal glove use is unnecessary and does not address proper hand hygiene.
C. Alcohol-based hand rubs are an accepted and effective method for hand hygiene in the absence of visible soiling. Returning to perform traditional handwashing is unnecessary unless hands are visibly dirty or contaminated with certain pathogens (e.g., Clostridium difficile).
D. Alcohol-based hand rubs must be applied correctly by covering all surfaces of the hands and rubbing until completely dry to achieve effective antisepsis. The UAP demonstrated correct use of hand rub, but the nurse should reinforce that rubbing until the hands are dry is essential for proper technique.
Correct Answer is D
Explanation
A. Measuring urinary output is important for assessing kidney function and fluid balance, but it is not directly related to the risks associated with thrombocytopenia or a bone marrow biopsy. While relevant in some contexts, it is not the priority assessment in this scenario.
B. Monitoring skin elasticity is used to assess hydration status, which is not the most critical concern following a bone marrow biopsy, especially in a client with thrombocytopenia. Skin turgor does not provide information about bleeding risks or post-procedural complications.
C. Assessing body temperature is important for detecting infection, particularly in clients with leukemia who are immunocompromised. However, infection risk is not the immediate priority following a biopsy. Infection may develop later, whereas bleeding can occur immediately.
D. Observing the aspiration site is correct and is the most important assessment following a bone marrow biopsy for a client with thrombocytopenia. Thrombocytopenia indicates a low platelet count, which increases the risk of bleeding and hematoma formation at the biopsy site. The nurse should monitor for excessive bleeding, swelling, or bruising and apply pressure or interventions as necessary to prevent complications.
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