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 C
Explanation
A. Chest pain and pale skin are not typical adverse effects associated with diltiazem use.
B. Shortness of breath and wheezing may occur due to other conditions or medications but are not common adverse effects of diltiazem.
C. Calcium channel blockers like diltiazem can cause peripheral edema due to vasodilation and bradycardia as a result of their action on the heart rate. Monitoring for these effects is essential in patients taking diltiazem.
D. Tachycardia is not an expected adverse effect of diltiazem; in fact, it is used to manage conditions where tachycardia may be present. Anxiety is also not a direct adverse effect of this medication.
Correct Answer is ["A","B","C","D"]
Explanation
A. Spontaneous bleeding after taking an anticoagulant is a secondary action that occurs due to the anticoagulant's effect on blood clotting, which is an undesired effect when it leads to excessive bleeding.
B. Dizziness after starting an antihypertensive is a common secondary action related to the lowering of blood pressure, which can lead to hypotension and resultant dizziness.
C. Drowsiness after taking an antihistamine is a well-known secondary action, especially with first-generation antihistamines, which can cause sedation as a side effect.
D. Diarrhea after taking an antibiotic is a secondary action that can occur due to disruption of the normal gut flora, leading to gastrointestinal upset. All these examples illustrate secondary effects of medications.