A patient has been prescribed oral tetracycline for the treatment of acne. Which of the following must the nurse include in the patient teaching plan?
Take the drug on an empty stomach.
Take the drug along with a meal.
Take the drug along with milk or fruit juice.
Take the drug immediately after meals.
The Correct Answer is A
A. Take the drug on an empty stomach is correct because tetracycline should be taken without food for optimal absorption, ideally 1 hour before or 2 hours after meals.
B. Take the drug along with a meal is incorrect as it can reduce the absorption of tetracycline.
C. Take the drug along with milk or fruit juice is incorrect because calcium and magnesium can bind to tetracycline, decreasing its effectiveness.
D. Take the drug immediately after meals is also incorrect as food can hinder absorption, making this timing ineffective for treatment.
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Correct Answer is A
Explanation
A. An INR of 5.0 indicates a significantly increased risk of bleeding, and administering vitamin K is the appropriate antidote for reversing the effects of warfarin. This is a critical intervention to restore coagulation.
B. Increasing the dose of warfarin is inappropriate in this scenario because the INR is already elevated; it would further increase bleeding risk.
C. While heparin can be used for anticoagulation, it is not appropriate to administer it while the INR is dangerously high without reversing the warfarin first.
D. Continuing warfarin is unsafe at this INR level due to the high risk of bleeding; monitoring for symptoms without intervention is not adequate care.
Correct Answer is A
Explanation
A. Clients with hepatitis C experience liver impairment, which is crucial for drug metabolism; hence, they are likely to have impaired drug metabolism.
B. Treatment for basal cell skin cancer typically does not affect liver function significantly, so drug metabolism is less likely to be impaired.
C. Clients requiring dialysis have impaired renal function, affecting drug excretion more than metabolism, so they may not necessarily have impaired drug metabolism.
D. Dehydration following diarrhea can affect the body's overall function, but it is less directly related to impaired drug metabolism compared to liver dysfunction.