blood pressure

Question 1

what is BP? and why it changes

Answer 1

stress blood exerts against vessel wall

changes - pulmonary or systemic, systole diastole, distance from Left ventricle

Question 2

haemodynamic?

Answer 2

increase in pressure difference greater slow and an increase resistance the lower the flow rate

Question 3

pulse pressure ?

Answer 3

systolic - diastolic

Question 4

systolic effected by ?

Answer 4

ejection volume and SV

Question 5

baroreceptors

Answer 5

detect change in stretch in cartoid sinus of carotid artery

Question 6

cardioaccelloratory

Answer 6

increase in sympathetic system and vasomotor centre

Question 7

cardioinibhitory

Answer 7

increase parasympathetic system

Question 8

vasomotor centre -

Answer 8

controls sympathetic neurones that innervate the cardiovascular smooth muscle

Question 9

Renin?

Answer 9

hormone from kidneys that decreases BP as causes angiotensin in liver convert to angiotensin 2 that stimulates releases antidiuretic

Question 10

aldosterone

Answer 10

released by adrenal cortex causes sodium retention so water kept in to treat low BP