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 D

Explanation

A. Wearing loose, non-constricting stockings: This instruction is not recommended for a client with DVT. Compression stockings, which are snug-fitting, may be prescribed to prevent DVT, but loose stockings would not provide the necessary compression.

B. Applying cool compresses to her legs: Cool compresses are not typically recommended for DVT. Warm compresses may be used to improve blood circulation, but cold compresses may not be suitable.

C. Taking an NSAID tablet daily: Nonsteroidal anti-inflammatory drugs (NSAIDs) are not typically recommended for individuals with DVT, especially when on anticoagulant therapy, as they may increase the risk of bleeding.

D. Flexing her knees and feet frequently: This is the correct answer. Encouraging the client to flex her knees and feet frequently helps promote blood circulation and reduces the risk of venous stasis, which can contribute to the formation of blood clots. It is a beneficial measure for clients with DVT.

A. "The medication can take up to 15 minutes to take effect." B. "Place the blet under your tongue, and then take a small sip of water." C. "Avoid taking the medication prior to exercising." D. "Stop taking the medication and notify your provider if you develop a headache.

Correct Answer is B

Explanation

A. "The medication can take up to 15 minutes to take effect." - This statement is not accurate, sublingual nitroglycerin works rapidly and often provides relief within a few minutes.

B. Sublingual nitroglycerin is administered by placing the tablet under the tongue, and it should be allowed to dissolve or be absorbed directly into the bloodstream through the mucous membranes. It is not swallowed or chewed. The small sip of water can help facilitate the dissolving process.

C. "Avoid taking the medication prior to exercising." - This statement is not accurate. Nitroglycerin can be taken before anticipated exertion or activities that may trigger angina to prevent anginal episodes during physical activity.

D. "Stop taking the medication and notify your provider if you develop a headache." - While headaches are a common side effect of nitroglycerin, they are generally transient and not a reason to stop taking the medication. Persistent or severe headaches should be reported to the healthcare provider.

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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

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Explanation

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