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. Wearing protective equipment such as gloves, mask, and gown is essential when preparing cytotoxic drugs to protect the nurse from potential exposure to harmful substances.
B. While washing hands is important for general hygiene, it does not specifically protect against cytotoxic drug exposure.
C. Mixing medication in a 1-L bag does not offer specific protection to the nurse and is not a standard measure for safety.
D. Administering medication intramuscularly (IM) is a route of administration and does not relate to protection measures while preparing cytotoxic drugs.
Correct Answer is A
Explanation
A. Nitroglycerin is contraindicated with erectile dysfunction medications such as sildenafil (Viagra) because both can cause significant drops in blood pressure when used together, potentially leading to severe cardiovascular complications.
B. Furosemide is a diuretic and does not have a direct contraindication with erectile dysfunction medications, although it may contribute to electrolyte imbalances.
C. Verapamil is a calcium channel blocker that does not directly contraindicate the use of erectile dysfunction medications but should be monitored for potential interactions affecting heart rate and blood pressure.
D. Acetaminophen is a pain reliever and does not pose a contraindication for erectile dysfunction medications.