Pharmacology NCLEX Questions with correct answers

Pharmacology NCLEX Questions A newly admitted client takes digoxin 0.25 mg/day. The nurse knows that which is the serum therapeutic range for digoxin? a. 0.1 to 1.5 ng/mL b. 0.5 to 2.0 ng/mL c. 1.0 to 2.5 ng/mL d. 2.0 to 4.0 ng/mL - correct answer b. 0.5 to 2.0 ng/mL The client's serum digoxin level is 3.0 ng/mL. What does the nurse know about this serum digoxin level? a. It is in the high (elevated) range. b. It is in the low (decreased) range. c. It is within the normal range. d. It is in the low average range. - correct answer a. It is in the high (elevated) range. The nurse is assessing the client for possible evidence of digitalis toxicity. The nurse acknowledges that which is included in the signs and symptoms for digitalis toxicity? a. Pulse (heart) rate of 100 beats/min b. Pulse of 72 with an irregular rate c. Pulse greater than 60 beats/min and irregular rate d. Pulse below 60 beats/min and irregular rate - correct answer d. Pulse below 60 beats/min and irregular rate 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 - correct answer 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 - correct answer 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. - correct answer 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. - correct answer b. The beta blocker should NOT be abruptly stopped; the dose should be tapered down.