A nurse is monitoring the cardiac output of a client who has left-sided heart failure using pulse pressure analysis. Which of the following findings can compromise the readings?
The client is experiencing premature atrial contractions.
The client has bilateral wheezes.
The client has a decreased oxygen saturation level.
The client has lower leg edema.
The Correct Answer is A
A. The client is experiencing premature atrial contractions is correct. Premature atrial contractions can interfere with pulse pressure analysis and affect the accuracy of cardiac output measurements.
B. The client has bilateral wheezes is incorrect. Wheezes affect lung function, not directly the accuracy of pulse pressure analysis for cardiac output.
C. The client has a decreased oxygen saturation level is incorrect. While it is a concern, it does not compromise pulse pressure readings directly.
D. The client has lower leg edema is incorrect. Edema affects peripheral circulation but does not directly compromise pulse pressure measurements for cardiac output.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Yellow sclera
Yellow sclera indicates jaundice, which could be a sign of liver dysfunction. Both isoniazid and rifampin can cause hepatotoxicity, and monitoring for jaundice is crucial to ensure the safety of the client.
B. Increasing AST level
AST level is slightly elevated but remains in the upper range of normal. Continued monitoring is necessary but may not require immediate reporting unless liver function significantly deteriorates.
C. Weight loss
Weight loss is consistent with the client’s condition and does not necessarily require immediate reporting unless it is severe or unmanageable.
D. Mantoux test result
The Mantoux test result is negative, which may be expected in the early phase of tuberculosis treatment. It should be monitored over time.
E. Increasing ALT level
ALT is slightly elevated but still within normal limits, though it's essential to continue monitoring for trends.
F. Reddish-orange urine color
Reddish-orange urine is a known side effect of rifampin and does not typically require immediate reporting
Correct Answer is D
Explanation
A. Dizziness is not a primary finding of right ventricular failure but may be associated with other conditions.
B. Crackles in the lungs are more associated with left ventricular failure.
C. Dry, hacking cough is not a primary symptom of right ventricular failure but may be seen in left-sided heart failure.
D. Hepatomegaly is a common finding in right ventricular failure due to increased pressure in the venous system.
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