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

Which is a contraindication for most anticoagulants?

1. Known drug allergy

2. Hypertension

3. Diabetes Mellitus

4. Hyperlipidemia

The correct answer is: Known drug allergy

Anticoagulants are medications that help prevent the formation of blood clots. A contraindication is a condition or situation that makes a particular treatment or procedure potentially harmful or inappropriate. In this case, a known drug allergy would be a contraindication for most anticoagulants because it could cause an adverse reaction and potentially harm the patient. Hypertension, diabetes mellitus, and hyperlipidemia are all chronic conditions that may require adjustment of the anticoagulant dosage, but they are not considered contraindications for these medications.