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If Passive stretching exerted by blood on the muscle of the ventricle at the end of diastole is?
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What is preload?
the pressure exerted on the wall of the ventricle before being filled up.
The pressure exerted by the left ventricle must push blood where?
to the body
Which term refers to the force exerted as the heart pumps blood from the left ventricle to the arteries and out into the body?
systole
What causes the tricuspid valve to open?
The chordae tendenae prevents the back flow
What event within the heart causes the AV valves to open?
The AV valves open when the blood pressure exerted on their atrial side is greater then on the ventricle side. This happens when blood returning to the heart fills the atria and puts pressure against the valve. Note : When heart is completely relaxed, the AV valve flaps hang limply into the ventricle chamber (open) allowing blood from the atria to flow through them directly to the ventricle. Thus, it is the result of ventricle contraction which closes the AV valves and moves them from their resting state (open).
What do the two number in the blood pressure mean?
Blood pressure is pressure exerted by blood on the walls of blood vessels. The two numbers represent the systolic and diastolic pressure. Systolic pressure is the pressure exerted during ventricular contraction(also called systole) and diastolic pressure is the pressure exerted during ventricular relaxation(also called diastole). The units of blood pressure are millimeters of Mercury (mmHg) because it represents how far up a tube the pressure can push a column of mercury, which was how pressure used to be measured.
What is the pressure wave in arteries produced when the left ventricle contracts called?
"Blood pressure" is the pressure exerted by the blood against the walls of the arteries, maintained by the contraction of the left ventricle, the resistance of the arterioles and capillaries, the elasticity of the arterial walls, and by the viscosity and volume of the blood.
If a force is exerted to the left what direction will the reaction force be exerted?
right
The force exerted on a surface divided by the area over which the force is exerted?
Pressure is the force exerted on an object divided by the area where the pressure was applied.
What is the pressure exerted by a fluid is the total force exerted by the fluid divide by?
area
What type of blood pressure is produced when the heart is in a relaxed state?
The measurement of blood pressure results in two numbers: the systolic blood pressure and diastolic blood pressure. This is expressed as a fraction: systolic over diastolic. The diastolic blood pressure is produced when the heart is in a relaxed state. It is the measure of the pressure exerted on the arteries during diastole, or relaxation.
How does pressure exerted by a solid object on a surface differ from pressure exerted within a liquid or a gas?
The pressure exerted by a solid object is in only one direction.
