Final

Question 1

central nervous system

Answer 1

brain and spinal cord

Question 2

peripheral nervous system

Answer 2

cranial and spinal nerves

Question 3

somatic nervous system

Answer 3

nerves to skeletal muscle; voluntary control

Question 4

autonomic nervous system

Answer 4

nerves to smooth muscle of organs, cardiac muscle, and glands; involuntary control

Question 5

receives sensory input

Answer 5

PNS

Question 6

processing of input

Answer 6

CNS

Question 7

generation of motor output

Answer 7

PNS

Question 8

neurons

Answer 8

generate and transmit nerve impulses

Question 9

neuroglial cells

Answer 9

nourish and support neurons; 4 types

Question 10

astrocytes, oligodendrocytes, microglia, Schwann cells

Answer 10

neuroglial cell types

Question 11

dendrites

Answer 11

many short extensions that carry impulses to cell body

Question 12

cell body

Answer 12

contains the nucleus of the cell

Question 13

axon

Answer 13

single extension that carries impulses away from cell body

Question 14

myelin sheath

Answer 14

lipid covering on some axons that acts to increase the speed of nerve impulse conduction

Question 15

schwann cells

Answer 15

make up the myelin sheath in the PNS

Question 16

multiple sclerosis

Answer 16

disease in which myelin sheaths break down

Question 17

sodium and potassium

Answer 17

cause nerve impulses

Question 18

synapse

Answer 18

between axon of a sending neuron and receiving neuron

Question 19

neurotransmitters

Answer 19

transmit nerve impulses across synapses

Question 20

grey matter

Answer 20

contains non-myelinated axons

Question 21

white matter

Answer 21

contains myelinated axons

Question 22

meninges

Answer 22

three thin layers that cover the brain and spinal cord

Question 23

cerebrospinal fluid

Answer 23

fills space between membranes, ventricles in the brain, central canal in spinal cord and cushions and protects the brain and spinal cord

Question 24

cerebrum

Answer 24

largest part of the brain, 4 lobes

Question 25

frontal lobe

Answer 25

primary motor area and conscious thought

Question 26

temporal lobe

Answer 26

primary auditory and speech area

Question 27

parietal lobe

Answer 27

primary somatosensory and taste area

Question 28

occipital lobe

Answer 28

primary visual area

Question 29

diencephalon

Answer 29

a

Question 30

cerebellum

Answer 30

maintains posture, coordinates voluntary movement, allows learning new motor skills

Question 31

brain stem

Answer 31

regulates breathing, heart rate, and blood pressure. contains centers for vomiting and coughing. reflex centers for visual and auditory stimuli