When you take a blood pressure reading,the first sound that you hear (top reading)is the:
A) systolic sound, indicating the relaxation of the ventricles.
B) systolic sound, indicating the contraction of the ventricles.
C) diastolic reading, indicating the contraction of the atria.
D) diastolic sound, indicating the relaxation of the ventricles.

Question

Quizplus · Accepted Answer

The first sound heard when taking a blood pressure reading is the systolic sound, which indicates the contraction of the ventricles, causing blood to be ejected into the arteries. The diastolic sound is the second sound, heard when the ventricles relax and fill with blood, indicating the pressure in the arteries when the heart is at rest. Therefore, options A, C, and D are incorrect.

When You Take a Blood Pressure Reading,the First Sound That