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. APTT of 64 seconds is prolonged but not specific to DIC alone; the normal range is generally around 30-40 seconds, and prolonged APTT can be seen in various conditions.
B. A fibrinogen level of 85 mg/dL is low. In DIC, fibrinogen levels decrease due to increased clotting and subsequent consumption of clotting factors.
C. A platelet count of 156,000/mm³ is within the normal range for most clients (150,000-450,000/mm³), though it might be lower in acute DIC.
D. A PT of 12 seconds is within the normal range for most clients (11-13.5 seconds), so it does not require reporting for DIC.

A. Ecchymosis B. Skin integrity C. Temperature D. Color E. Sensation

Correct Answer is ["B","C","D","E"]

Explanation

A. Ecchymosis indicates bruising but is not a primary parameter for assessing neurovascular status.

B. Skin integrity is important to monitor for any signs of breakdown or infection.

C. Temperature helps assess for adequate blood flow and potential complications.

D. Color of the extremity indicates blood flow and can show signs of compromised circulation.

E. Sensation checks for nerve damage or impaired circulation.

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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 reviewing the laboratory values of a client who is at risk for disseminated intravascular coagulopathy (DIC). Which of the following values should the nurse report to the provider?

Correct Answer is B

Explanation

A nurse is caring for a client who is postoperative following an open reduction internal fixation (ORIF) of a femur fracture. Which of the following parameters should the nurse include in the evaluation of the neurovascular status of the client's affected extremity? (Select all that apply.)

Correct Answer is ["B","C","D","E"]

Explanation

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