A nurse is teaching the partner of a client who had an acute myocardial infarction (MI) about the reason blood was drawn from the client. Which of the following statements should the nurse make regarding cardiac enzyme studies?

"These tests help determine the degree of damage to the heart tissues."

"These tests will enable the provider to determine the heart structure and mobility of the heart valves."

"Cardiac enzymes will identify the location of the MI."

"Cardiac enzymes assist in diagnosing the presence of pulmonary congestion."

Answer and Explanation

The Correct Answer is A

The nurse should explain that cardiac enzyme studies measure the levels of certain enzymes, such as troponin, creatine kinase, and lactate dehydrogenase, that are released into the bloodstream when the heart muscle is damaged by an MI. These tests help determine the degree of damage to the heart tissues, as well as the timing and severity of the MI.

"These tests will enable the provider to determine the heart structure and mobility of the heart valves." is wrong because cardiac enzyme studies do not provide information about the heart structure and mobility of the heart valves. Other tests, such as echocardiography or cardiac catheterization, may be used for this purpose.

"Cardiac enzymes will identify the location of the MI." is wrong because cardiac enzyme studies do not indicate the specific location of the MI within the heart. Other tests, such as electrocardiography or coronary angiography, may be used for this purpose.

"Cardiac enzymes assist in diagnosing the presence of pulmonary congestion." is wrong because cardiac enzyme studies do not directly assess the presence of pulmonary congestion, which is a complication of heart failure. Other signs and symptoms, such as dyspnea, crackles, and chest x-ray findings, may be used for this purpose.

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Correct Answer is B

Explanation

A. Using simple language is helpful, but speaking in a childlike manner can be demeaning and may lower the client’s self-esteem. Communication should remain respectful and age-appropriate.

B. Incorporating nonverbal cues such as gestures, facial expressions, pictures, and written words supports understanding. Clients with aphasia often benefit from visual aids and other alternative communication strategies to enhance comprehension.

C. Raising the pitch of the voice does not improve comprehension in aphasia because the issue is related to language processing rather than hearing ability. A normal tone should be maintained unless the client has a hearing impairment.

D. Asking multiple-choice questions can sometimes assist with expressive aphasia; however, relying solely on this method may limit natural communication. The broader and more supportive approach is to incorporate nonverbal communication techniques.

A. Asthma B. Aortic valve regurgitation C. Heart failure D. Aortic stenosis

Correct Answer is C

Explanation

A. Asthma typically presents with wheezing, shortness of breath, and chest tightness. While dyspnea is a symptom, tachycardia and weak peripheral pulses are not characteristic findings associated with asthma.
B. Aortic valve regurgitation may cause dyspnea and fatigue, but it is more commonly associated with bounding pulses and diastolic murmur rather than weak peripheral pulses.
C. Heart failure is characterized by symptoms such as dyspnea, fatigue, tachycardia, and weak peripheral pulses due to reduced cardiac output and poor perfusion to the extremities. The nurse should recognize these signs as indicative of heart failure.
D. Aortic stenosis can lead to symptoms like dyspnea and fatigue; however, it typically presents with a triad of symptoms including exertional dyspnea, angina, and syncope, rather than weak peripheral pulses.

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A nurse is teaching the partner of a client who had an acute myocardial infarction (MI) about the reason blood was drawn from the client. Which of the following statements should the nurse make regarding cardiac enzyme studies?

Nursing Test Bank

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