A nurse is caring for a client who reports chest pain. Which of the following laboratory findings indicates myocardial damage?

Troponin 11.8 ng/mL

Erythrocyte sedimentation rate (ESR) 17 mm/hr

Human B-type natriuretic peptide 88 pg/ml.

aPTT 80 seconds

Answer and Explanation

The Correct Answer is A

A. Troponin is a protein released into the bloodstream when there is damage to the heart muscle (myocardium), such as during a heart attack. Elevated troponin levels indicate myocardial injury or damage, making this the correct choice for indicating myocardial damage.

B. Erythrocyte sedimentation rate (ESR) measures the rate at which red blood cells settle in a tube of blood. It is a non-specific marker of inflammation and is not specific to myocardial damage.

C. Human B-type natriuretic peptide (BNP) is released by the heart in response to increased pressure and volume. Elevated levels are indicative of heart failure, not necessarily myocardial damage.

D. Activated partial thromboplastin time (aPTT) measures the time it takes for blood to clot. It is used to monitor the effectiveness of anticoagulant therapy and is not specific to myocardial

damage.

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Correct Answer is B

Explanation

A. 3hr oral glucose tolerance test - This test is typically used for diagnosing gestational diabetes or impaired glucose tolerance, not for long-term management.

B. HbA1c - Hemoglobin A1c reflects the average blood glucose levels over the past 2-3 months and is a reliable indicator of long-term glycemic control.

C. Fasting blood glucose test - This provides a snapshot of blood glucose levels at a specific point in time and is not as reliable for assessing long-term glycemic control as HbA1c.

D. Urinalysis for ketones - Urinalysis for ketones is useful for detecting acute complications such as diabetic ketoacidosis but does not reflect long-term management of blood glucose levels.

A. Insert the catheter until a flow of urine begins. B. Attach prefilled syringe to indwelling catheter inflation hub. C. Lubricate the catheter and place fenestrated drape over perineum. D. Apply sterile gloves and place cleansing balls in antiseptic solution. E. Cleanse the meatus with the dominant hand in a downward motion.

Correct Answer is D,C,E,A,B

Explanation

D. Apply sterile gloves and place cleansing balls in antiseptic solution.

C. Lubricate the catheter and place fenestrated drape over perineum.

E. Cleanse the meatus with the dominant hand in a downward motion.

A. Insert the catheter until a flow of urine begins.

B. Attach prefilled syringe to indwelling catheter inflation hub.

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A nurse is caring for a client who reports chest pain. Which of the following laboratory findings indicates myocardial damage?

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Naxlex Comprehensive Predictor Exams

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Explanation

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