A nurse in an emergency department is caring for a client who reports substernal chest pain and dyspnea. The client is vomiting and is diaphoretic. Which of the following laboratory tests are used to diagnose a myocardial infarction? (Select all that apply.)

Myoglobin

Plasma low-density lipoproteins (LDL)

Troponin T

Troponin I

Answer and Explanation

Correct Answer : A,C,D

A. Myoglobin is an early biomarker for myocardial injury and can be used for initial detection of myocardial infarction. However, it is less specific than troponins.
B. Plasma low-density lipoproteins (LDL) are associated with cardiovascular risk but are not used to diagnose an acute myocardial infarction.
C. Troponin T is a highly specific biomarker for myocardial infarction and is used to confirm the diagnosis of an MI.
D. Troponin I is another highly specific biomarker for myocardial infarction and is used to confirm the diagnosis of an MI.

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Correct Answer is B

Explanation

A. The footplate keeps the client from sliding down in bed is not the primary function of the footplate in Buck’s traction.

B. The footplate helps to prevent foot drop by maintaining proper alignment of the foot and leg in Buck’s traction.

C. The footplate works to anchor the traction is incorrect; traction is anchored by weights and pulleys, not the footplate.

D. The footplate prevents pressure sores on the heel is not the primary purpose of the footplate in Buck's traction.

A. Measure the circumference of the thigh. B. Palpate the femoral pulse. C. Instruct the client to wiggle his toes. D. Monitor the client's calf for edema.

Correct Answer is C

Explanation

A. Measuring the circumference of the thigh can help assess for swelling but is not specific for neurovascular assessment.
B. Palpating the femoral pulse is not as relevant for assessing neurovascular status at the site of a femur fracture; instead, the focus is on more distal pulses and sensations.
C. Instructing the client to wiggle his toes assesses motor function and circulation to the distal extremities, which are crucial for neurovascular status.
D. Monitoring the calf for edema is not the primary method for assessing neurovascular status at the site of a femur fracture; it’s more relevant for assessing for deep vein thrombosis.

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A nurse in an emergency department is caring for a client who reports substernal chest pain and dyspnea. The client is vomiting and is diaphoretic. Which of the following laboratory tests are used to diagnose a myocardial infarction? (Select all that apply.)

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is teaching an assistive personnel (AP) about the purpose of a footplate on the bed of a client whose leg is in Buck's traction. Which of the following statements indicates the AP understands the teaching?

Correct Answer is B

Explanation

A nurse is caring for a client who has an unrepaired femur fracture of the midshaft. Which of the following techniques should the nurse use when performing an assessment of the client's neurovascular status?

Correct Answer is C

Explanation

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