A nurse informs a patient that her blood pressure is 128/78. The patient asks what the number 128 means. What is the nurse's appropriate response? The 128 represents the pressure in your blood vessels when:
a. "The ventricles relax and the aortic and pulmonic valves open."
b. "The ventricles contract and the mitral and tricuspid valves close."
c. "The ventricles contract and the mitral and tricuspid valves open."
d. "The ventricles relax and the aortic and pulmonic valves close."
ANS: B
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