A nurse is evaluating a client who has heart failure and is receiving warfarin. Which of the following statements by the client indicates a need for further teaching?

“I will use an electric razor for shaving.”

“I will eat more green leafy vegetables.”

“I will check my stools for blood.”

“I will have my blood drawn regularly.”.

Answer and Explanation

The Correct Answer is B

Choice B is wrong because “I will eat more green leafy vegetables.” This statement indicates a need for further teaching because green leafy vegetables are high in vitamin K, which can antagonize the effects of warfarin and increase the risk of clotting. The client should be advised to maintain a consistent intake of vitamin K and avoid sudden changes in their diet.

Choice A is wrong because using an electric razor for shaving is a safe practice for a client who is receiving warfarin, as it reduces the risk of bleeding from cuts or nicks.

Choice C is wrong because checking stools for blood is an important measure for a client who is receiving warfarin, as it can indicate gastrointestinal bleeding, which is a serious adverse effect of the medication.

Choice D is wrong because having blood drawn regularly is necessary for a client who is receiving warfarin, as it allows the monitoring of the international normalized ratio (INR), which reflects the degree of anticoagulation and guides the dosage adjustment of the medication.

The normal range for INR for a client who is receiving warfarin is 2 to 3, unless otherwise specified by the provider.

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Correct Answer is E

Explanation

Adrenergic drugs.These are drugs that stimulate the sympathetic nervous system by mimicking or enhancing the effects of epinephrine and norepinephrine, the chemical messengers that activate adrenergic receptors.Adrenergic drugs can increase blood pressure, heart rate, cardiac output, vascular tone, and renin release by acting on different types of adrenergic receptors.

Choice A is wrong because beta blockers are drugs that inhibit the sympathetic nervous system by blocking the beta adrenergic receptors, which are responsible for increasing heart rate and contractility. Beta blockers can lower blood pressure and reduce cardiac workload.

Choice B is wrong because calcium channel blockers are drugs that inhibit the movement of calcium ions across the cell membrane of smooth muscle cells, which are found in blood vessels and the heart.Calcium channel blockers can relax blood vessels and lower blood pressure, as well as reduce heart rate and contractility.

Choice C is wrong because angiotensin II receptor blockers (ARBs) are drugs that block the action of angiotensin II, a hormone that causes vasoconstriction and stimulates the release of aldosterone, which increases sodium and water retention.

ARBs can lower blood pressure by dilating blood

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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A nurse is evaluating a client who has heart failure and is receiving warfarin. Which of the following statements by the client indicates a need for further teaching?

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Naxlex Comprehensive Predictor Exams

Which drugs act on the sympathetic nervous system, which regulates blood pressure by controlling heart rate, cardiac output, vascular tone, and renin release?

Correct Answer is E

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

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A nurse is evaluating a client who has heart failure and is receiving warfarin. Which of the following statements by the client indicates a need for further teaching?