Which drug increases the excretion of water and sodium by the kidneys, reducing blood volume and blood pressure?

Angiotensin-converting enzyme (ACE) inhibitors

Diuretics

Adrenergic drugs

Direct acting vasodilators.

Answer and Explanation

The Correct Answer is B

Diuretics are drugs that increase the excretion of water and sodium by the kidneys, reducing blood volume and blood pressure. Diuretics lower blood pressure by dilating peripheral arterioles and decreasing blood volume by increasing the excretion of sodium and water.

Choice A is wrong because angiotensin-converting enzyme (ACE) inhibitors do not increase the excretion of water and sodium by the kidneys. ACE inhibitors block the conversion of angiotensin I to angiotensin II, a potent vasoconstrictor and stimulator of aldosterone secretion. By reducing angiotensin II levels, ACE inhibitors lower blood pressure by dilating blood vessels and decreasing sodium and water retention.

Choice C is wrong because adrenergic drugs do not increase the excretion of water and sodium by the kidneys. Adrenergic drugs act on the sympathetic nervous system, which regulates heart rate, blood pressure, and other functions. Depending on the type and location of adrenergic receptors, adrenergic drugs can have different effects on blood pressure. Some adrenergic drugs can increase blood pressure by stimulating alpha receptors, which cause vasoconstriction. Other adrenergic drugs can decrease blood pressure by stimulating beta receptors, which cause vasodilation and decreased cardiac output.

Choice D is wrong because direct acting vasodilators do not increase the excretion of water and sodium by the kidneys. Direct acting vasodilators are drugs that relax the smooth muscle of blood vessels, causing them to widen and lower blood pressure. Direct acting vasodilators do not affect the renin-angiotensin-aldosterone system or the sympathetic nervous system, which regulate sodium and water balance.

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Correct Answer is A

Explanation

Mannitol is an osmotic diuretic that increases urine output and decreases intracranial pressure and intraocular pressure. The nurse should check the urine output before giving the medication to ensure adequate renal function and prevent fluid overload and electrolyte imbalance. The normal urine output is 0.5 to 1 mL/kg/hr.

Choice B is wrong because checking the blood pressure is not specific to mannitol administration. Mannitol can cause hypotension or hypertension depending on the fluid status of the client, but this is not the priority action before giving the medication.

Choice C is wrong because checking the blood glucose is not relevant to mannitol administration. Mannitol does not affect blood glucose levels.

Choice D is wrong because checking the oxygen saturation is not related to mannitol administration. Mannitol does not affect oxygen saturation levels.

A. Serum potassium B. Serum calcium C. Serum albumin D. Serum glucose.

Correct Answer is A

Explanation

The nurse should monitor the client’s serum potassium level closely because furosemide is a loop diuretic that can cause hypokalemia, which increases the risk of cardiac arrhythmias and digitalis toxicity. The nurse should also monitor the client’s fluid status, blood pressure, and renal function.

Choice B is wrong because Serum calcium is wrong because furosemide does not affect calcium levels significantly. Calcium levels are more likely to be affected by thiazide diuretics, which can cause hypercalcemia.

Choice C is wrong because Serum albumin is wrong because furosemide does not affect albumin levels significantly. Albumin levels are more likely to be affected by liver disease, malnutrition, or nephrotic syndrome.

Choice D is wrong because Serum glucose is wrong because furosemide does not affect glucose levels significantly. Glucose levels are more likely to be affected by diabetes mellitus, corticosteroids, or stress.

Normal ranges for the laboratory values are:

• Serum potassium: 3.5-5.0 mEq/L

• Serum calcium: 8.5-10.5 mg/dL

• Serum albumin: 3.5-5.0 g/dL

• Serum glucose: 70-110 mg/dL

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Which drug increases the excretion of water and sodium by the kidneys, reducing blood volume and blood pressure?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is planning to administer mannitol to a client who has heart failure and pulmonary edema. Which of the following actions should the nurse take before giving the medication?

Correct Answer is A

Explanation

A nurse is caring for a client who has heart failure and is prescribed furosemide. Which of the following laboratory values should the nurse monitor closely?

Correct Answer is A

Explanation

A nurse is assessing a client who has heart failure and is receiving metoprolol. Which of the following statements by the client indicates a therapeutic effect of the medication?

The nurse is caring for a patient with chronic heart failure who has been prescribed digoxin (Lanoxin). The patient’s apical pulse rate is 58 beats/min. What should the nurse do next?

A nurse is caring for a client who has heart failure and is receiving carvedilol (Coreg). The nurse should monitor which of the following laboratory values to determine therapeutic effectiveness of this medication?

The nurse is caring for a patient with atrial fibrillation who has been prescribed warfarin (Coumadin). The patient’s INR level is 3.5, which is above therapeutic range. What action should the nurse take?

The nurse is caring for a patient with atrial fibrillation who has been prescribed diltiazem (Cardizem). The patient reports feeling dizzy and lightheaded when standing up quickly from a sitting position or when getting out of bed in the morning. What action should the nurse take?

Which drug increases the excretion of water and sodium by the kidneys, reducing blood volume and blood pressure?

The nurse is reviewing the discharge instructions with a patient who has heart failure and is prescribed losartan (Cozaar). Which of the following statements by the patient indicates understanding of the teaching? (Select all that apply.)

A nurse is caring for a client who has hypertension and is prescribed metoprolol, a beta blocker. The nurse should monitor the client for which of the following adverse effects?