Adrenergic synapses containing alpha receptors are primarily responsible for which function?
1. Release of intracellular calcium
2. Inhibiting vasoconstriction of the bronchioles
3. Constriction of arterioles in the kidneys
4. Increasing the strength of contraction in the coronary arteries
Question 2
The termination of norepinephrine (NE) occurs through the process of reuptake. Which phrase best describes this phenomenon?
1. Movement of NE to the adrenergic receptor sites.
2. Release of NE into the bloodstream.
3. Storage of NE in preganglionic nerves for future use.
4. Destruction of NE by the enzyme catechol-O-methyltransferase (COMT).