Kentucky Medication Aide (KMA) State Practice Exam

Propranolol is classified as which type of medication?

1. ACE inhibitor

2. Beta blocker

3. Calcium channel blocker

4. Diuretic

The correct answer is: Beta blocker

Propranolol is classified as a beta blocker, a type of medication primarily used to manage various cardiovascular conditions. Beta blockers work by blocking the effects of adrenaline on beta-adrenergic receptors in the body, which helps to decrease heart rate, lower blood pressure, and reduce the workload on the heart. This makes them effective in treating conditions such as hypertension, angina, and certain types of heart rhythm disorders. Additionally, beta blockers like propranolol have applications in managing anxiety and preventing migraines. In contrast, the other classifications mentioned serve different functions: ACE inhibitors primarily help to lower blood pressure by inhibiting the angiotensin-converting enzyme, calcium channel blockers prevent calcium from entering heart and blood vessel cells to lower blood pressure and manage angina, and diuretics help the body eliminate excess fluid and sodium to lower blood pressure. Understanding these distinctions is crucial for recognizing the specific use and mechanism of action of propranolol within the broader scope of medication therapy.