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A nurse is caring for a client who has been taking propranolol. Which of the following findings indicates a need to withhold the medication?

A.

Blood pressure 156/90 mm Hg

B.

Pulse 54/min

C.

Potassium 5.2 mEq/L

D.

Sodium 130 mEq/L

Answer and Explanation

The Correct Answer is B

A. While a blood pressure of 156/90 mm Hg may be elevated, it is not necessarily an indication to withhold propranolol, which is commonly used to treat hypertension.

B. A pulse rate of 54/min suggests bradycardia, which is a potential side effect of propranolol and may warrant withholding the medication.

C. A potassium level of 5.2 mEq/L is within the normal range (3.5-5.0 mEq/L) and is not typically a reason to withhold propranolol.

D. A sodium level of 130 mEq/L is within the normal range (135-145 mEq/L) and is not typically a reason to withhold propranolol.


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Related Questions

Correct Answer is A

Explanation

A.

A. Troponin is a protein released into the bloodstream when there is damage to the heart muscle (myocardium), such as during a heart attack. Elevated troponin levels indicate myocardial injury or damage, making this the correct choice for indicating myocardial damage.

B. Erythrocyte sedimentation rate (ESR) measures the rate at which red blood cells settle in a tube of blood. It is a non-specific marker of inflammation and is not specific to myocardial damage.

C. Human B-type natriuretic peptide (BNP) is released by the heart in response to increased pressure and volume. Elevated levels are indicative of heart failure, not necessarily myocardial damage.

D. Activated partial thromboplastin time (aPTT) measures the time it takes for blood to clot. It is used to monitor the effectiveness of anticoagulant therapy and is not specific to myocardial

damage.

Correct Answer is C

Explanation

A. While hydrogen peroxide has some disinfectant properties, it is not as effective as other agents like chlorine bleach for cleaning surfaces contaminated with blood.

B. Isopropyl alcohol is effective against many pathogens but may not be as effective as chlorine bleach specifically for bloodborne pathogens.

C. Chlorine bleach is an effective agent for cleaning surfaces contaminated with blood and other bodily fluids, as it has strong disinfectant properties.

D. Chlorhexidine is primarily used as an antiseptic for skin preparation and may not be as effective for surface cleaning of blood contamination.

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