chapter 37 connect

Question 1

dentrite

Answer 1

the part of the neuron that sends signals toward the cell body

Question 2

in myelinated axons, gated channels only open at nodes of Ranvier resulting in what conduction?

Answer 2

saltatory

Question 3

3 main parts of a neuron

Answer 3

axon, cell body, and dentrite

Question 4

learning

Answer 4

the usage of memories demonstrates that this has happened

Question 5

most drugs available to Alzheimer disease (AD) work by

Answer 5

increasing acetylcholine

Question 6

components of the peripheral nervous system

Answer 6

ganglia and nerves

Question 7

axon

Answer 7

the elongated portion of the neuron that conducts nerve impulses

Question 8

describe an ischemic stroke

Answer 8

blood supply to the brain that is disrupted

Question 9

nervous system includes which main parts

Answer 9

the brain and the spinal cord

Question 10

components of autonomic sytme divisions

Answer 10

sympathetic and parasympathetic

Question 11

frontal

Answer 11

motor control and reasoning

Question 12

parietal

Answer 12

sensory reception

Question 13

temporal

Answer 13

auditory input

Question 14

occipital

Answer 14

visual information

Question 15

repolarization

Answer 15

happens after an action potential occurs, the membrane potential across a neuron cell membrane returns to -70 mV.

Question 16

synapse

Answer 16

the area where a presynaptic neuron comes into close proximity with a photosynthetic neuron

Question 17

motor (efferent) neuron

Answer 17

a nerve cell that carries impulses away from the central nervous system

Question 18

ependymal cells

Answer 18

a type of neuroglia that surrounds the ventricles of the brain, where they produce cerebrospinal fluid

Question 19

what is surrounded by meninges

Answer 19

brain and spinal cord

Question 20

norepinephrine

Answer 20

dreaming and mood

Question 21

dopamine

Answer 21

emotions and learning

Question 22

serotonin

Answer 22

thermoreguialtion and sleeping

Question 23

acetylcholine

Answer 23

excites skeletal muscle

Question 24

refractory period

Answer 24

a nerve impulse travels one way down and axon due to the sodium channels being open during this period

Question 25

nodes of Ranvier

Answer 25

gaps in the myelin sheath

Question 26

components of invertebrates nervous system

Answer 26

ganglia, ventral nerve cord, brain

Question 27

dorsal root ganglion

Answer 27

the mass of sensory neuron cell bodies located in the dorsal root of a spinal nerve