A nurse is reviewing the prescriptions for a newly admitted client who is to undergo cardiac testing. For which of the following procedures should the nurse verify that the client has given written informed consent?

Exercise ECG stress test

Electrocardiogram

CT scan without contrast dye

Echocardiogram

Answer and Explanation

The Correct Answer is A

A. Exercise ECG stress test: An exercise ECG stress test requires informed consent because it involves physical activity that may place stress on the heart and carries certain risks, such as inducing arrhythmias or other complications.

B. Electrocardiogram: An electrocardiogram (ECG or EKG) is a non-invasive, routine diagnostic test that does not require written informed consent.

C. CT scan without contrast dye: A CT scan without contrast dye is a standard imaging procedure that typically does not require written informed consent, unless there are specific risks or complications involved.

D. Echocardiogram: An echocardiogram is a non-invasive ultrasound test of the heart and does not require written informed consent under normal circumstances.

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Correct Answer is B

Explanation

A. Limit movement of the lower extremities. Limiting movement increases the risk of venous stasis, which can lead to DVT. Regular movement and ambulation are encouraged to promote blood circulation.

B. Place sequential compression devices bilaterally. Sequential compression devices (SCDs) help promote venous return and prevent venous stasis, thereby reducing the risk of DVT.

C. Massage lower extremities daily. Massaging the legs is contraindicated in clients at risk for DVT because it can dislodge a clot and lead to pulmonary embolism.

D. Check for negative Homans' sign. The Homans' sign (pain in the calf on dorsiflexion of the foot) is not a reliable indicator of DVT and is no longer recommended as a standard assessment method.

A. "It usually takes at least 2 to 3 days for heparin to dissolve a clot." B. "Heparin prevents new cloth from forming rather than dissolving established clots." C. "The time it takes for heparin to dissolve a clot depends on the size of the clot." D. "The time it takes heparin to dissolve clots varies between clients."

Correct Answer is B

Explanation

A. "It usually takes at least 2 to 3 days for heparin to dissolve a clot." Heparin does not dissolve clots; it prevents the formation of new clots and stops existing clots from growing.

B. "Heparin prevents new clots from forming rather than dissolving established clots." Heparin's role is to prevent new clots from forming, not to dissolve existing clots. The body's natural fibrinolytic system will eventually break down the clot.

C. "The time it takes for heparin to dissolve a clot depends on the size of the clot." This is incorrect because heparin does not dissolve clots, regardless of their size.

D. "The time it takes heparin to dissolve clots varies between clients." This is incorrect as well, as heparin does not dissolve clots at all.

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A nurse is reviewing the prescriptions for a newly admitted client who is to undergo cardiac testing. For which of the following procedures should the nurse verify that the client has given written informed consent?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Explanation

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