A nurse is caring for a client with a possible acute myocardial infarction (AMI). The electrocardiogram (ECG) shows no ST segment elevations or depression. The nurse is aware that an elevation of which lab result will determine if there has been cardiac injury?

Elevated Troponins

Elevated Creatine kinase (CK)

Elevated Hemoglobin

Elevated B-type Natriuretic

Answer and Explanation

The Correct Answer is A

Rationale:

A. Elevated Troponins indicate myocardial injury or infarction.

B. Elevated Creatine kinase (CK) is an enzyme found in skeletal muscle, brain, and myocardium. Elevated levels can indicate muscle damage.

C. Elevated Hemoglobin is not specific to cardiac injury.

D. Elevated B-type Natriuretic peptide (BNP) is used in the diagnosis and management of heart failure.

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Correct Answer is B

Explanation

Rationale:

A. This describes a second-degree heart block, specifically Mobitz Type I (Wenckebach).

B. A PR interval greater than 0.20 seconds is characteristic of first-degree heart block.

C. This describes third-degree heart block, also known as complete heart block.

D. An irregular R-R interval is not specific to first-degree heart block.

A. Nitroglycerin B. Carvedilol C. Atorvastatin D. Metformin

Correct Answer is D

Explanation

Rationale:

A. Nitroglycerin does not interact with contrast material.

B. Carvedilol does not interact with contrast material.

C. Atorvastatin does not interact with contrast material.

D. Metformin can interact with contrast material and increase the risk of acute kidney injury. It is typically held before and after procedures involving contrast material.

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A nurse is caring for a client with a possible acute myocardial infarction (AMI). The electrocardiogram (ECG) shows no ST segment elevations or depression. The nurse is aware that an elevation of which lab result will determine if there has been cardiac injury?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is reviewing cardiac rhythms and heart blocks for a critical care course. The nurse is aware that which of the following describes first degree heart block?

Correct Answer is B

Explanation

A nurse is collecting a medication history from a client who is scheduled to have a cardiac catheterization. Which of the following medications taken by the client interacts with contrast material and places the client at risk for acute kidney injury?

Correct Answer is D

Explanation

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