Calcium Channel Blockers - Pharm Test 1 Questions and Correct Answers

A diabetic patient suffers from effort angina, they have tried beta blockers before but are worried about experiencing a hypoglycemic incident while on the beta blocker. What would be the next best drug to treat this patient's angina? a. Verapamil b. Nifedipine c. Metoprolol d. Bumetanide ANS: A - verapamil is in a class of calcium channel blockers that decrease force and rate of contraction. Nifedipine is a calcium channel blocker but it does not decrease the force and rate of contraction so would not help with effort angina. Metoprolol is a beta blocker and bumetanide is a loop diuretic and would not treat angina. You're teaching a patient about their new hypertension medication. Which class of drug do you want to avoid eating grapefruit? a. Anti-adrenergics b. ACE inhibitor c. Calcium channel the - C is the correct answer because when grapefruit juice is taken with a calcium channel blocker, it blocks the enzyme in your gut, making it easier - C is the correct answer because when grapefruit juice is taken with a calcium channel blocker, it blocks the enzyme in your gut, making it easier for the medication to pass from your gut to bloodstream. It could increase level of medication in your bloodstream Patient is in the emergency department and has high blood pressure. Patient is having atrial fibrillation. Which class of drug do you give them? a. Arbs b. Calcium-channel blockers c. Vasodilators - B is the correct answer because it decreases force of contraction and decreases HR A nurse should question a prescription for a calcium channel blocker in a patient with which condition? a. Angina pectoris b. Dysrhythmia c. Hypotension