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
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["100"]
Explanation
- First, determine the total volume to be infused: 50 mL.
- Next, calculate the time in hours: 30 minutes is 0.5 hours.
50/0.5
= 100mL/hr
Correct Answer is D
Explanation
A. Uses a microwave for cooking is not a significant safety risk for someone with decreased vision.
B. Electrical cords are placed along the walls is generally not a safety risk if properly secured and not in high-traffic areas.
C. Handrails are present in the bathroom is a safety feature that helps prevent falls.
D. Scatter rugs are present in the kitchen are a safety risk as they can cause tripping hazards, especially for clients with vision impairment.
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