A nurse is reviewing the laboratory values of a client who had a myocardial infarction 3 hr ago. The nurse should expect which of the following laboratory values to be elevated?

Serum amylase

Unconjugated bilirubin

Aspartate aminotransferase (AST).

Troponin I

Answer and Explanation

The Correct Answer is D

A. Serum amylase: Serum amylase is an enzyme associated with pancreatic function, and its elevation is not specific to myocardial infarction.

B. Unconjugated bilirubin: Elevation of unconjugated bilirubin is associated with liver function and hemolysis, not specifically with myocardial infarction.

C. Aspartate aminotransferase (AST): While AST may be elevated in conditions affecting the heart, it is not as specific or sensitive for myocardial infarction as troponin I.

D. Troponin I: This is the correct answer. Troponin I is a cardiac-specific biomarker released into the bloodstream when there is damage to cardiac muscle, such as during a myocardial infarction. Troponin I levels start to rise within 3-4 hours after the onset of myocardial infarction, making it a crucial marker for early detection.

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Correct Answer is A

Explanation

A. Red-colored urine: Rifampin, when taken orally or intravenously, can cause red discoloration of bodily fluids, including urine, sweat, saliva, and tears. This is a common and harmless side effect of the medication. Clients should be informed about this potential discoloration to avoid unnecessary concern.

B. Black-colored stools: Black-colored stools are not an expected side effect of rifampin.

C. Staining of teeth: While rifampin can cause staining of contact lenses, it is not associated with tooth discoloration.

D. Constipation: Constipation is not a common side effect of rifampin. Gastrointestinal side effects may include nausea, vomiting, and abdominal pain.

A. Aortic regurgitation, B. Mitral stenosis C. Aortic stenosis D. Mitral valve prolapse

Correct Answer is D

Explanation

A. Aortic regurgitation: Aortic regurgitation typically presents with a diastolic murmur, not a systolic click.

B. Mitral stenosis: Mitral stenosis presents with a diastolic murmur, often associated with an opening snap, rather than a systolic click.

C. Aortic stenosis: Aortic stenosis typically presents with a systolic ejection murmur, but not a systolic click.

D. Mitral valve prolapse: This is the correct answer. Mitral valve prolapse (MVP) is characterized by the displacement of the mitral valve leaflets into the left atrium during systole, often producing a systolic click. Symptoms associated with MVP can include atypical chest pain, palpitations, and exercise intolerance.

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A nurse is reviewing the laboratory values of a client who had a myocardial infarction 3 hr ago. The nurse should expect which of the following laboratory values to be elevated?

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Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who has active pulmonary tuberculosis (TB) and a new prescription for IV rifampin. The nurse should instruct the client that they should expect to experience which of the following manifestations while taking this medication?

Correct Answer is A

Explanation

A nurse in a provider's office is assessing a client who reports occasional atypical chest pain, palpitations, and exercise intolerance. On auscultation, the nurse notes a systolic click. The nurse should recognize this finding as a manifestation of which of the following conditions?

Correct Answer is D

Explanation

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