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
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. A room that is within view of the nurses' station: While visibility to the nurses' station is advantageous for monitoring the client, it is not the most critical consideration for a client with active tuberculosis. The priority is to prevent the spread of infectious droplets to other clients and healthcare workers.
B. A room in the ICU: Placing a client with active tuberculosis in the ICU may not be necessary unless there are specific medical reasons requiring intensive care. However, the room assignment should prioritize infection control measures.
C. A room with another nonsurgical client: It is not advisable to place a client with active tuberculosis in a room with another nonsurgical client due to the risk of spreading the infection to a potentially vulnerable individual.
D. A room with air exhaust directly to the outdoor environment: This is the correct answer. The preferred room assignment for a client with active tuberculosis is one with proper ventilation that allows air to be exhausted directly to the outdoor environment. Negative pressure rooms with high-efficiency particulate air (HEPA) filtration are often used to minimize the risk of airborne transmission.
Correct Answer is ["B","D","E"]
Explanation
A. Montelukast: Montelukast is a leukotriene receptor antagonist commonly used in the management of asthma and allergic rhinitis. It is not part of the standard tuberculosis treatment regimen.
B. Rifampin: Rifampin is a key component of tuberculosis treatment and is effective against both active and latent tuberculosis.
C. Acyclovir is an antiviral medication primarily used for herpes simplex virus infections and is not part of the standard treatment for tuberculosis.
D. Isoniazid: Isoniazid is another essential drug in the treatment of tuberculosis, particularly for the prevention of latent tuberculosis progression to active disease.
E. Pyrazinamide: Pyrazinamide is part of the standard combination therapy for tuberculosis.
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