Integration of cardiac mechanisms Flashcards
1
Q
What equation shows the relationship between resistance to flow (R), blood viscosity (n), length of blood vessels (L) and blood vessel radius (r)?
A
R ∝ (n x L) ÷ r^4
2
Q
What performs the extrinsic mechanisms of blood pressure control?
A
Nerves (Baroreceptors) and hormones
3
Q
Which form of autonomic innervation affects blood vessel smooth muscle?
A
Sympathetic
4
Q
Which neurotransmitter and receptor are involved in sympathetic control of smooth muscle of blood vessels?
A
Alpha 1 receptors and noradrenaline
5
Q
Where is adrenaline (Hormone) released?
A
The adrenal medulla
