Exam (elaborations)
NUR 2060 Neuro (Peripheral Nervous System & Assorted Symptoms) (1).
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NUR 2060 Neuro (Peripheral Nervous System & Assorted Symptoms) (1).
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NUR 2060 Neuro (Peripheral Nervous System &Assorted Symptoms)
What are the functions of the PNS? - ANS-- slows heart rate
- increases gastric secretions
- emptying of bladder and bowel
- focusing eye for near vision
- dilation of pupil
- contraction of brachial smooth muscle
How does the SNS affect the cardiovascular system? - ANS-- maintains blood flow to brain
- redistributes blood
- compensates for blood loss
How does the SNS contribute to body temperature regulation? - ANS-- increases blood flow to
skin
- increases secretion of sweat
- piloerection
What does the SNS do in the fight-or-flight response? - ANS-- increases heart rate and blood
pressure
- moves blood away from skin
- dilating pupils & bronchi
- mobilizing stored energy
Where are cholinergic receptors found? - ANS-- at the beginning of all postganglionic neurons
- all organs affected by the PNS
- sweat glands in the SNS
- skeletal muscle
Where are adrenergic receptors found? - ANS-all organs affected by SNS except for sweat
glands
Where does acetylcholine bind? - ANS-- all preganglionic neurons
- all postganglionic neurons in the PNS
- postganglionic neurons in SNS sweat glands
- motor neurons
Which receptors can norepinephrine activate? - ANS-alpha1, alpha2, and beta1 receptors within
SNS
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