Blood Pressure Flashcards
Learn about blood pressure
What is blood pressure
It Is the pressure exerted by the blood on walls of the blood vessels.
What is the purpose of blood pressure
To ensure that there is a constant flow of blood carrying nutrients and oxygen to the body cells through blood vessels
What affects blood pressure?
- Strength of the heart beat
2. diameter of blood vessels
What happens to blood pressure during a systole
Blood pressure rises
What happens to blood pressure during a diastole?
It drops
What is used to measure blood pressure
Syphgmomanometer
How do you record blood pressure
And how is it measured
Systolic pressure over diastolic pressure in mm hg
How do you record blood pressure
And how is it measured
Systolic pressure over diastolic pressure in mm hg
What is a a normal blood pressure
120/80 mm hg
What is the 120 mmhg
The systolic pressure
It is the pressure of the blood inside arteries when ventricles contract
What is diastolic pressure
When ventricles relax and elastic walls of the aorta and pulmonary arteries retract keeping the pressure up on the blood