If a patient's blood pressure measures 146/92 on the left arm and 138/84 on the right arm, what would you do?
Wait 30 minutes and take the pressures again.
Record both pressures in the medical record.
Retake the pressure on both arms.
Retake the pressure on the left arm.
The Correct Answer is C
A. Waiting 30 minutes is unnecessary unless there is concern about an acute change in the patient's condition.
B. While both readings can be recorded, the difference between arms should be noted, as it can indicate underlying issues such as vascular problems.
C. It is important to retake the blood pressure on both arms to verify accuracy and check for any significant discrepancy.
D. Retaking the pressure on just one arm may miss important information about the other arm's readings.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Pulse oximetry works by using light absorption to measure the oxygen saturation of hemoglobin in the blood, which typically occurs through the capillary bed in areas like the finger or earlobe.
B. The pulse oximeter does not measure the amount of blood passing through the sensor directly, but rather the oxygen content of the blood.
C. The pulse oximeter does not assess the warmth of the skin as a mechanism for measuring oxygenation.
D. Pulse oximeters measure oxygen saturation levels, not the respiratory rate or blood pressure.
Correct Answer is C
Explanation
A. The area directly below the sternum is not the location for the apical pulse.
B. The third intercostal space is too high for the apical pulse, which is best heard at the fifth intercostal space.
C. The left midclavicular line at the fifth intercostal space is the proper location for auscultating the apical pulse.
D. Placing the stethoscope above the left nipple does not ensure accurate assessment of the apical pulse.
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