A&P chapter 6

Question 1

_____ transmit information in the form of nerve impulses throughout the body

Answer 1

Neurons

Question 2

___ are simple, rapid, involuntary, programmed responses to stimuli

Answer 2

reflexes

Question 3

____ controls the tongue and lip movements required for speech

Answer 3

broca’s area

Question 4

epinephrine is also known as ____

Answer 4

adrenaline

Question 5

the brain disease ___ involves loss of function in two or more areas of cognition

Answer 5

dementia

Question 6

t/f: myelin sheaths are also known as gray matter

Answer 6

false

Question 7

t/f: for a cell membrane to respond to another stimulus, it must be repolarized

Answer 7

true

Question 8

t/f: the diencephalon houses the thalamus, hypothalamus, and epithalamus

Answer 8

true

Question 9

t/f: the majority of cranial nerves emanate from the frontal lobe

Answer 9

false

Question 10

t/f: the two main types of meningitis are skeletal and muscular meningitis

Answer 10

false

Question 11

what is the myelin sheath’s important purpose?

Answer 11

insulating axon fibers

Question 12

what nerve impulses travel the fastest

Answer 12

an impulse signaling limb position

Question 13

what is the membrane that protects the brain and spinal cord

Answer 13

meninges

Question 14

how many pairs of cranial nerves and spinal nerves does the body have

Answer 14

12 cranial, 31 spinal

Question 15

what is the most common type of traumatic brain injury (tbi)

Answer 15

concussion

Question 16

temporal lobes?

Answer 16

The portion of the brain responsible for speech, hearing, vision, memory, and emotion

Question 17

myelin sheath

Answer 17

The fatty bands of insulation surrounding axon fibers

Question 18

multiple sclerosis

Answer 18

a chronic, slowly progressive disease of the central nervous system that destroys the myelin sheath of nerve cell axons

Question 19

synapse

Answer 19

the intersection between a neuron and another neuron, a muscle, a gland, or a sensory receptor

Question 20

nerve impulse

Answer 20

an electrical charge that travels along a nerve fiber when stimulates

Question 21

norepinephrane

Answer 21

a neurotransmitter released by postganglionic neurons in the sympathetic nervous systems

Question 22

cerebellum

Answer 22

the part of the brain that coordinates body movements and balance

Question 23

paraplegia

Answer 23

a disorder characterized by loss of function in the trunk and legs

Question 24

paravertebral ganglia

Answer 24

mass of nerve cell bodies bodies close to the spinal cord

Question 25

autonomic reflexes

Answer 25

involuntary stimuli transmitted to cardiac and smooth muscle

Question 26

central canal

Answer 26

d

Question 27

pia mater

Answer 27

h

Question 28

lateral horn of gray matter

Answer 28

g

Question 29

dura mater

Answer 29

j

Question 30

white matter

Answer 30

e

Question 31

dorsal root ganglion

Answer 31

b

Question 32

dorsal horn of gray matter

Answer 32

f

Question 33

ventral root of spinal nerve

Answer 33

a

Question 34

arachnoid mater

Answer 34

i

Question 35

dorsal root of spinal nerve

Answer 35

c

Question 36

describe the structures of the peripheral nervous system

Answer 36

The peripheral nervous system consists of nerves of the nervous system that send information to the central nervous system’s organs (brain and spinal cord) using neurons to do so.

Question 37

explain the difference b/t dementia and Alzheimer’s disease

Answer 37

Dementia is a general term for decline in mental ability. Alzheimer’s is an actual disease, while dementia is not.