When the nurse is reviewing a patient's daily laboratory test results, which of the following potassium levels should the nurse report to the healthcare provider to reduce the risk of digoxin (Lanoxin) toxicity?

Potassium 5.5 mEq/L

Potassium 3.8 mEq/L

Potassium 4.5 mEq/L

Potassium 2.9 mEq/L

Answer and Explanation

The Correct Answer is D

Choice A reason: A high potassium level can increase the risk of digoxin toxicity. The normal range for potassium is typically 3.5 to 5.0 mEq/L, so a level of 5.5 mEq/L should be reported.

Choice B reason: A potassium level of 3.8 mEq/L is within the normal range and would not typically increase the risk of digoxin toxicity.

Choice C reason: A potassium level of 4.5 mEq/L is within the normal range and would not typically increase the risk of digoxin toxicity.

Choice D reason: A low potassium level can also increase the risk of digoxin toxicity, but the question asks for the result that does not increase the risk, making 2.9 mEq/L incorrect in this context.

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Correct Answer is C

Explanation

Choice A Reason:Encouraging the client to rest in bed until she feels able to participate in unit activities is appropriate. Depression often leads to fatigue, lack of motivation, and decreased interest in daily activities. Allowing the client to rest and regain energy while acknowledging her feelings is supportive and respectful.

Choice B Reason:Telling the client that she needs to follow the rules of the unit and get out of bed may come across as dismissive and unsupportive. It does not consider the client's emotional state or address her fatigue. A more empathetic approach is needed.

Choice C Reason:Offering assistance to help the client sit up and put on her slippers is a helpful action, but it does not directly address her feelings of tiredness or depression. While physical support is essential, emotional support and understanding are equally crucial.

Choice D Reason:Linking getting out of bed to receiving a meal may inadvertently pressure the client. It could worsen her feelings of guilt or hopelessness. Instead, focusing on her well-being and emotional state is more appropriate.

A. Blood backs up from the left atrium. B. Blood backs up from the left ventricle. C. Blood backs up from the right ventricle. D. Blood backs up from the right atrium.

Correct Answer is B

Explanation

Choice A Reason:In left HF, the left ventricle fails to pump blood forward efficiently, leading to congestion in the pulmonary circulation. As a result, blood backs up into the left atrium, causing symptoms such as pulmonary edema, shortness of breath, and fatigue. Left atrial enlargement may occur due to this backup of blood.

Choice B Reason:In left HF, blood does not back up from the left ventricle. Instead, the left ventricle itself is weakened and unable to propel blood effectively into the systemic circulation.

Choice C Reason:Blood backing up from the right ventricle is associated with right heart failure, not left HF. Right HF occurs when the right ventricle fails to pump blood efficiently, leading to congestion in the systemic venous circulation.

Choice D Reason:Blood backing up from the right atrium is also related to right heart failure. In left HF, the primary issue is congestion in the pulmonary circulation due to left ventricular dysfunction.

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When the nurse is reviewing a patient's daily laboratory test results, which of the following potassium levels should the nurse report to the healthcare provider to reduce the risk of digoxin (Lanoxin) toxicity?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who has depression and states that she is too tired to get out of bed or dress. Which of the following statements by the nurse is appropriate?

Correct Answer is C

Explanation

The nurse reinforces teaching to the patient on left heart failure (HF). The nurse would evaluate the patient as understanding if the patient stated which of these occurs to blood flow through the heart?

Correct Answer is B

Explanation

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