ch43

Question 1

ganglia

Answer 1

cluster of neurons

Question 2

CNS

Answer 2

brain and spinal cord

Question 3

PNS

Answer 3

detect signal and send to get processed then back out

Question 4

reflexes

Answer 4

travel to spinal cord then out

Question 5

dendrite

Answer 5

recieves signal

Question 6

soma(cell body)

Answer 6

processing center

Question 7

axon

Answer 7

sends the signal( only place an action potential can happen)

Question 8

axon hillock

Answer 8

triangle area where everything is funeled into the axon

Question 9

to make a resting potential more negitive

Answer 9

add more negative things such as proteins and Cl

Question 10

soduim potasium pumps

Answer 10

three Na go out two K come in (giving a net loss of one positive unit)

Question 11

potasium leak channels

Answer 11

help to get inside of cell negative

Question 12

action potential

Answer 12

is the movement of charge

Question 13

hyperpolarization

Answer 13

when the charge over corrects to more negative then goes back to resting potential

Question 14

saltatory conduction

Answer 14

when the signal moves in a jumping fashion from node of ranvier to node of ranvier

Question 15

endorphins

Answer 15

neurotransmitter
peptides used in sensory path ways and they are inhibitory

Question 16

parasympathetic

Answer 16

rest and digest (top of spinal cord and bottom)

Question 17

sympathetic

Answer 17

fight or flight ( middle of spinal cord)

Question 18

Enteric nervous system

Answer 18

works the digestive system

Question 19

Parkinsons

Answer 19

loss of dopamine (ntx) function