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Question

Which of the following statements are correct with respect to blood pressure?

A
Blood pressure inside the artery during contraction is systolic pressure.
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B
Blood pressure inside the vein during relaxation is diastolic pressure.
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C
Normal diastolic pressure is 120 mm of Hg.
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D
Normal systolic pressure is 120 mm of Hg.
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Solution

The correct option is D Normal systolic pressure is 120 mm of Hg.
  • Blood continuously flows through the blood vessels because of contraction and relaxation of the heart.
  • Due to contraction of the heart, pressure is exerted on the walls of the arteries known as blood pressure.
  • The pressure of the blood inside the artery during contraction is called systolic pressure, while during relaxation is called diastolic pressure.
  • Normal systolic pressure is 120 mm of Hg and diastolic pressure is 80 mm of Hg and is measured by sphygmomanometer.

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