A nurse is examining a client with diastolic dysfunction. Upon auscultation using the bell of the stethoscope the nurse hears a late diastolic heart sound at the 5th intercostal space, left midclavicular line. Based on these findings and the clients history, the nurse would recognize this extra heart sound is most likely what?

Answer and Explanation

The Correct Answer is B

A. S1: S1 is the first heart sound, heard at the beginning of systole, and is not related to diastolic dysfunction.

B. S4: This is the correct answer. An S4 sound is heard late in diastole, often due to increased resistance to filling during diastole, which is typical in diastolic dysfunction.

C. S3: An S3 is a low-pitched sound heard early in diastole, typically associated with systolic dysfunction or heart failure with reduced ejection fraction.

D. S2: S2 is the second heart sound, heard during the end of systole and is not associated with diastolic dysfunction.

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Free Nursing Study Resources

Correct Answer is A

Explanation

A. Cleaning the skin and clipping hairs ensures good electrode contact, which is essential for accurate ECG readings. This is the correct statement.

B. Oxygen should not be turned off unless specifically instructed by a provider. It does not interfere with ECG monitoring.

C. Electrodes should be placed on the anterior chest for standard ECG monitoring, not on the posterior chest.

D. Electrodes for ECG monitoring typically come with adhesive backing and do not require additional gel.

A. 8 B. 25 C. 13 D. 7

Correct Answer is A

Explanation

A. To calculate the infusion rate: 125 mg in 100 ml = 1.25 mg/ml. Required: 10 mg/hr ÷ 1.25 mg/ml = 8 ml/hr.

B. To calculate the infusion rate: 125 mg in 100 ml = 1.25 mg/ml. Required: 10 mg/hr ÷ 1.25 mg/ml = 8 ml/hr.

C. To calculate the infusion rate: 125 mg in 100 ml = 1.25 mg/ml. Required: 10 mg/hr ÷ 1.25 mg/ml = 8 ml/hr.

D. To calculate the infusion rate: 125 mg in 100 ml = 1.25 mg/ml. Required: 10 mg/hr ÷ 1.25 mg/ml = 8 ml/hr.

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Naxlex Comprehensive Predictor Exams

A nurse supervises an assistive personnel (AP) applying electrocardiographic monitoring. Which statement would the nurse provide to the AP related to this procedure?

Correct Answer is A

Explanation

Physician orders Cardizem to infuse at 10 mg/hr. Available is Cardizem 125 mg in 100 ml D5W. What is the rate in ml/hr?

Correct Answer is A

Explanation

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