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 D

Explanation

A. Nasal congestion is not a primary sign of autonomic dysreflexia, though it can be a symptom of other conditions.

B. A severe headache can be a symptom of autonomic dysreflexia but is not the sole indicator of the condition.

C. Elevated blood pressure can be a result of autonomic dysreflexia but is not necessarily an indication of risk without other symptoms.

D. A distended bladder is a common trigger for autonomic dysreflexia in clients with a spinal cord injury at or above T-6, making it a key indicator for monitoring.

A. Neurologic deficits that increase up to 2 weeks post-injury B. A change in the level of consciousness that develops over 48 hr C. A lucid period followed by an immediate loss of consciousness D. Cognitive perception that decreases over several months post-injury

Correct Answer is C

Explanation

A. Neurologic deficits increasing over 2 weeks are more characteristic of subdural hematomas, not epidural hematomas.
B. A change in the level of consciousness that develops over 48 hours is typical of subdural hematomas.
C. An epidural hematoma often presents with a brief period of lucidity followed by a rapid decline in consciousness due to arterial bleeding.
D. Cognitive perception that decreases over several months post-injury is not typical of epidural hematomas, which generally cause acute and rapid changes.

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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 caring for a client who has a T-4 spinal cord injury. Which of the following client findings should the nurse identify as an indication the client is at risk for experiencing autonomic dysreflexia?

Correct Answer is D

Explanation

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Correct Answer is C

Explanation

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