Q:

120/80 is recorded as a blood pressure measurement. What does this mean?

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120/80 is recorded as a blood pressure measurement. What does this mean?


  1. systolic pressure is 120 and diastolic pressure is 80.
  2. left ventricular systolic pressure is 120 and left ventricular diastolic pressure is 80.
  3. the average of the left and right ventricular systolic pressure is 120 and the average of the left and right ventricular diastolic pressure is 80.
  4. left ventricular diastolic pressure is 120 and left ventricular systolic pressure is 80.

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B: Although not always specifically stated, a blood pressure of 120/80 refers to the BP in the aorta, that is, caused by the left ventricle. Hence choice A is not as good an answer as choice B. 

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