Baroreceptors Explain the regulation of blood pressure brought about by the baroreceptor mechanism. (or) Baroreceptors. Answer: Baroreceptors: They are the receptors that give response to change in blood pressure. They are sensitive to stretch. Also called pressorreceptors. "Common challenges in mastering baroreceptor notes effectively: FAQs … [Read more...] about Baroreceptors
Systolic vs. Diastolic Blood Pressure
Systolic vs. Diastolic Blood Pressure What is systolic, diastolic and pulse pressure? Give an account of factors that maintain blood pressure. Answer: Definition: 1. Systolic Blood Pressure: It is defined as the maximum pressure exerted in the arteries during systole of the heart. Normal value: 120 mm Hg. It ranges between 100-130 mm Hg. 2. Diastolic … [Read more...] about Systolic vs. Diastolic Blood Pressure
Regulation Of Blood Pressure
Regulation Of Blood Pressure Define systolic and diastolic blood pressure. Give their normal values. Describe the medullary control of blood pressure. Answer: Definitions and their normal values: Medullary control of blood pressure: Medullary control of blood pressure is brought about by vasomotor center. Vasomotor center: Location: Bilaterally in the … [Read more...] about Regulation Of Blood Pressure
Properties Of Cardiac Muscle
Properties Of Cardiac Muscle Properties of cardiac muscle. (or) Name the specialized conducting tissues of heart. Answer: 1. Excitability: Definition: The ability of a tissue to give response to a stimulus is called excitability. Features: Excitability is increased by the stimulation of sympathetic or catecholamine activity It is inhibited by stimulation … [Read more...] about Properties Of Cardiac Muscle
Origin And Spread Of Cardiac Impulse
Origin And Spread Of Cardiac Impulse Explain origin and spread of cardiac impulse. Answer: The conducting system of the heart is responsible for the origin and spread of cardiac impulse. Origin of impulse: Cardiac impulses are generated in the pacemaker which is sino-atrial node i.e., SA Node. SA node is situated in right-atrium just below the opening of … [Read more...] about Origin And Spread Of Cardiac Impulse