autonomic & somatic nervous systems

Question 0

how many pairs of cranial nerves are there?

Answer 0

12

Question 1

PNS does what 2 things?

Answer 1

• senses the environment

- activates tissue/organ responses

Question 2

motor cranial nerves

Answer 2

bring messages away from brain/spinal cord

Question 3

sensory cranial nerves

Answer 3

bring messages to brain from body

Question 4

most cranial nerves arise from:

Answer 4

midbrain, pons and medulla

Question 5

each spinal nerve contains what 2 types of neurons

Answer 5

motor and sensory neurons

Question 6

neurons that leave the spinal cord through the ventral root (grey matter)

Answer 6

motor neurons

Question 7

neurons that enter the spinal cord through the dorsal root

Answer 7

sensory neurons

Question 8

true or false. motor signals travel along a single neuron

Answer 8

true

Question 9

sympathetic:

-types of receptors (NT)

Answer 9

mainly adrenergic

Question 10

parasympathetic:

-types of receptors (NT)

Answer 10

mainly cholinergic

Question 11

function of sympathetic NS

Answer 11

fight or flight

Question 12

function of parasympathetic NS

Answer 12

rest and digest

Question 13

sympathetic NS:

-location of synapse

Answer 13

thoracolumbar

Question 14

parasympathetic NS:

-location of synapse

Answer 14

craniosacral

Question 15

sympathetic NS:

-length of axons

Answer 15

short pre-ganglionic neuron

Question 16

parasympathetic NS:

-length of axons

Answer 16

short post-ganglionic neuron

Question 17

network of neurons entirely in the walls of the gut

Answer 17

enteric nervous system

Question 18

controls gut mobility

Answer 18

ENS