Pharmacology and the Nursing Process by Linda Lane Lilley: Practice Exam

What is a contraindication for using vasodilators?

1. Hypotension

2. Fever

3. Allergy to peanuts

4. Insomnia

The correct answer is: Hypotension

A contraindication for using vasodilators would be any condition or factor that makes the use of these medications unsafe or unsuitable. Vasodilators are medications that relax and widen the blood vessels, making it easier for blood to flow through them. This can be helpful in treating conditions like high blood pressure and heart failure. However, if a person already has low blood pressure, using vasodilators can cause their blood pressure to drop too low, which can lead to dizziness, fainting, and other complications. This is why hypotension, the medical term for low blood pressure, is a contraindication for using vasodilators. Fever, allergy to peanuts, and insomnia are not relevant in this case and therefore are not correct answers.