Pharmacology Cardiac NCLEX Questions and Answers 100% Pass

Pharmacology Cardiac NCLEX Questions and Answers 100% Pass The client is also taking a diuretic that decreases her potassium level. The nurse expects that a low potassium level (hypokalemia) could have what effect on the digoxin? a. Increase the serum digoxin sensitivity level b. Decrease the serum digoxin sensitivity level c. Not have any effect on the serum digoxin sensitivity level d. Cause a low average serum digoxin sensitivity level a. Increase the serum digoxin sensitivity level When a client first takes a nitrate, the nurse expects which symptom that often occurs? a. Nausea and vomiting b. Headaches c. Stomach cramps d. Irregular pulse rate b. Headaches The nurse acknowledges that beta blockers are as effective as antianginals because they do what? a. Increase oxygen to the systemic circulation. b. Maintain heart rate and blood pressure. c. Decrease heart rate and decrease myocardial contractility. d. Decrease heart rate and increase myocardial contractility. c. Decrease heart rate and decrease myocardial contractility. The health care provider is planning to discontinue a client's beta blocker. What instruction should the nurse give the client regarding the beta blocker? a. The beta blocker should be abruptly stopped when another cardiac drug is prescribed. b. The beta blocker should NOT be abruptly stopped; the dose should be tapered down. c. The beta blocker dose should be maintained while taking another antianginal drug. d. Half the beta blocker dose should be taken for the next several weeks. b. The beta blocker should NOT be abruptly stopped; the dose should be tapered down. The beta blocker acebutolol (Sectral) is prescribed for dysrhythmias. The nurse knows that what is the primary purpose of the drug? a. To increase the beta1 and beta2 receptors in the cardiac tissues b. To increase the flow of oxygen to the cardiac tissues c. To block the beta1-adrenergic receptors in the cardiac tissues d. To block the beta2-adrenergic receptors in the cardiac tissues c. To block the beta1- adrenergic receptors in the cardiac tissues A nurse is monitoring a client with angina for therapeutic effects of nitroglycerin. Which assessment finding indicates that the nitroglycerin has been effective? a. Blood pressure 120/80 mm Hg b. Heart rate 70 beats per minute c. ECG without evidence of ST changes d. Client stating that pain is 0 out of 10 d. Client stating that pain is 0 out of 10 The nurse is monitoring a client during IV nitroglycerin infusion. Which assessment finding will cause the nurse to take action? a. Blood pressure 110/90 mm Hg b. Flushing c. Headache d. Chest pain d. Chest pain Which statement made by the client demonstrates a need for further instruction regarding the use of nitroglycerin? a. "If I get a headache, I should keep taking nitroglycerin and use Tylenol for pain relief." b. "I should keep my nitroglycerin in a cool, dry place." c. "I should change positions slowly to avoid getting dizzy." d. "I can take up to five tablets at 3-minute intervals for chest pain if necessary." d. "I can take up to five tablets at 3-minute intervals for chest pain if necessary." Which client assessment would assist the nurse in evaluating therapeutic effects of a calcium channel blocker? a. Client states that she has no chest pain. b. Client states that the swelling in her feet is reduced. c. Client states the she does not feel dizzy.