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 ["A","E"]

Explanation

A. Place a pillow under the client's head.
Rationale: This action helps to prevent head injury during a seizure by cushioning the head.
B. Place the client into a supine position.
Rationale: This is incorrect because it can increase the risk of aspiration. The client should be placed in a side-lying position to allow the mouth to drain and prevent aspiration.
C. Apply restraints.
Rationale: This is incorrect as restraints can cause injury to the client during a seizure. The nurse should instead ensure the environment is safe and free from objects that could harm the client.
D. Insert a bite stick into the client's mouth.
Rationale: This is incorrect because inserting any object into the mouth during a seizure can cause dental injury or aspiration. The jaw should not be forced open.
E. Loosen restrictive clothing.
Rationale: This action helps to prevent injury and allows for easier breathing during a seizure. It also prevents any constriction that could occur due to muscle contractions.

Correct Answer is ["24"]

Explanation

- First, determine the concentration of the heparin solution. In this case, it's 25,000 units in 500 mL, which means there are 50 units per mL.

- Next, calculate the required rate to deliver 1,200 units per hour. Since the concentration is 50 units per mL, divide 1,200 units by 50 units/mL to find the required mL per hour.

- The calculation will be 1,200 units/hr ÷ 50 units/mL = 24 mL/hr.

- Since the question asks to round to the nearest tenth or whole number, and the result is a whole number, the IV pump should be set to deliver 24.0 mL/hr.

Answer =24

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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 is experiencing a seizure. Which of the following actions should the nurse take? (Select all that apply.)

Correct Answer is ["A","E"]

Explanation

Correct Answer is ["24"]

Explanation

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