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 D

Explanation

A. Nitroglycerin: Nitroglycerin is used to relieve chest pain by dilating coronary arteries and increasing blood flow. However, in the immediate setting of a suspected MI, oxygen is prioritized to ensure adequate oxygenation.

B. Aspirin: Aspirin is essential in the early treatment of MI to prevent further clot formation by inhibiting platelet aggregation, but oxygen would still come first if the client’s oxygenation is compromised.

C. Morphine: Morphine is used for pain relief and to reduce anxiety and oxygen demand on the heart. However, it is administered after ensuring oxygen supply.

D. Oxygen: Oxygen should be administered first in a suspected myocardial infarction to ensure the heart and tissues receive adequate oxygen, especially if the patient is hypoxic.

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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Correct Answer is D

Explanation

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Correct Answer is B

Explanation

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