NSG 6320 AGNP Board Exam – Cardiovascular Prescribing Exam

NSG 6320 AGNP Board Exam – Cardiovascular Prescribing Exam 1. Question: Signs and symptoms of digitalis toxicity include: constipation and muscle spasms. bradycardia and tinnitus. headache and dizziness. blurred vision and persistent diarrhea. Correct Explanation: Signs and symptoms of digitalis toxicity include: confusion, irregular pulse, loss of appetite, nausea, vomiting, diarrhea, fast heart beat, and visual changes (blurred vision, blind spots, green-yellow color disturbances, halo effect). Regardless of route of administration, digoxin levels should be checked at 12-24 hours after the last dose. However, depending on the clinical situation, wait at least 6-8 hours after the last dose to check levels. 2. Question: A side effect of beta-blockers that is more common in children than adults is: decreased appetite. muscle weakness. vivid dreams. a cough that produces mucus. Correct Explanation: Side effects of beta-blockers that are more common in children than adults may include a mucus-producing cough, difficulty breathing, or tightness in the chest. Beta-blockers are not recommended as initial therapy in children due to potential adverse outcomes including increased bronchial obstruction and airway reactivity in children with asthma. 3. Question: Spironolactone (Aldactone) is highly protein bound and has a duration of: 6 hours. 12 hours. 24 hours. 48 hours. Correct Explanation: Spironolactone (Aldactone) is greater than 90% protein bound, has a half-life elimination of 1.4 hours and a duration of 48-72 hours. It is classified as an aldosterone receptor antagonist. This class blocks the effects of aldosterone, which increases sodium reabsorption by the kidneys. 4. Question: Nonselective beta-blockers block the stimulation of: beta-1 receptors in the heart. beta-2 receptors in the lungs. both beta-1 receptors in the heart and beta-2 receptors in the lungs. Correct neither beta-1 receptors in the heart nor beta-2 receptors in the lungs. Explanation: Nonselective beta-blockers (i.e., propranolol [Inderal]) block the stimulation of both beta-1 receptors in the heart and beta-2 receptors in the lungs. Selective beta-blockers (i.e. metoprolol [Lopressor]) specifically block beta-1 receptors, but may also block beta- 2 receptors at higher doses. Because they also block beta-2 receptors in the lungs, nonselective beta-blockers are contraindicated in patients with asthma or chronic obstructive pulmonary disease. 5. Question: Dabigatran (Pradaxa), an anticoagulant, is also classified as a: direct factor Xa inhibitor. direct thrombin inhibitor. Correct indirect thrombin inhibitor. factor V inhibitor. Explanation: Dabigatran (Pradaxa) is a direct thrombin inhibitor (DTI). Medications in this class inactivate circulating and clotting thrombin (factor IIa). They prevent thrombin (central to the generation of a thrombus) from attaching fibrinogen to fibrin. DTIs bind directly to thrombin and do not require a cofactor such as antithrombin to exert their effect. They can inhibit both soluble thrombin and fibrin-bound thrombin. Key advantages of using DTIs instead of heparin is that they: produce a more predictable anticoagulant effect due to their lack of binding to other plasma proteins; exert an antiplatelet effect; and do not cause immune-mediated thrombocytopenia. 6. Question: The brand name for candesartan cilexetil is: Atacand. Correct Avandia. Benicar. Cozaar. Explanation: The brand name for candesartan cilexetil is Atacand. The generic name for Avandia is rosiglitazone; Benicar is olmesartan medoxomil (an ARB); Cozaar is losartan. Candesartan, olmesartan and losartan are classified as angiotensin receptor blockers (ARBs) and are used in the treatment of hypertension. Notice that they all end in "sartan." Rosiglitazone is a thiazolidinedione and is used in the treatment of diabetes. 7. Question: Gemfibrozil (Lopid), for the treatment of hypertriglyceridemia, is classified as a: bile acid sequestrant. nicotinic acid. fibric acid. Correct statin. Explanation: Gemfibrozil (Lopid) is a fibric acid. It is indicated in the treatment of hypertriglyceridemia and mixed dyslipidemia. Fibric acid derivatives, also kn