Physiology Flashcards
1
Q
what is the neurotransmitter for the sympathetic nervous system
A
noradrenaline
2
Q
sympathetic outflow is from which vertebral levels
A
T1-L2
3
Q
what root of the spinal cord contains sympathetic axons
A
anterior root
4
Q
what are the adrenergic receptors
A
Alpha 1 + Alpha 2
Beta 1 + Beta 2
5
Q
noradrenaline acts on B1 to cause what
A
increase in heart rate + stroke volume
6
Q
noradrenaline acts on B2 to cause what
A
bronchodilatation via airway smooth muscle relaxation
7
Q
noradrenaline acts on A1 to cause what
A
peripheral vasoconstriction