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Blood pressure is recorded as two values: _________ pressure, measured when the heart contracts, and ___________ pressure, measured when the heart relaxes.
Systolic; Diastolic
Diastolic; Venous
Maximum; Systolic
Diastolic; Systolic
Systolic; Diastolic
Blood pressure is expressed as two numbers representing the arterial pressure exerted during different phases of the cardiac cycle. Systolic pressure is the higher value measured when the heart ventricles contract to pump blood, while diastolic pressure is the lower value measured when the heart relaxes and refills with blood.
Blood pressure is expressed as two numbers representing the arterial pressure exerted during different phases of the cardiac cycle. Systolic pressure is the higher value measured when the heart ventricles contract to pump blood, while diastolic pressure is the lower value measured when the heart relaxes and refills with blood.
The cardiovascular system is governed by the circulatory system, which was pioneered in scientific understanding by William Harvey in 1628, a foundational milestone in Human Physiology.
Normal adult resting blood pressure is typically defined as 120/80 mmHg.
Systolic pressure indicates the maximum force against arterial walls during ventricular contraction.
Diastolic pressure indicates the minimum pressure against arterial walls during the heart's resting phase between beats.
The instrument used to measure blood pressure is known as a Sphygmomanometer.
Hypertension, or high blood pressure, is clinically defined as readings consistently above 130/80 mmHg.
Pulse pressure is the mathematical difference between the systolic and diastolic values (e.g., 120-80 = 40 mmHg).
Option B and D are incorrect because venous pressure refers to the pressure in the venous system, which is significantly lower than arterial pressure and not typically measured via standard blood pressure cuffs.
Option C is incorrect because 'Maximum' is a general descriptor and not the clinical term used for blood pressure measurements.
A is correct тАФ Systolic pressure corresponds to heart contraction, and diastolic pressure corresponds to heart relaxation.
In competitive exams, relate this to the 'Circulatory System' chapter in Biology; remember that the Spleen is often tested alongside the heart as the 'Graveyard of RBCs'.
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