Nervous System Test

Question 1

What makes up the peripheral nervous system?

Answer 1

The nerves outside the brain and the spinal cord; it extends down the arms, legs, and to the organs

Question 2

The largest most complex Mass of nervous tissue in the body

Answer 2

The brain

Question 3

What are the 4 major brain regions?

Answer 3

Cerebrum, diencephalon, brain stem, cerebellum

Question 4

The right and left hemispheres of the brain

Answer 4

Cerebrum

Question 5

The hypothalamus and thalamus

Answer 5

Diencephalon

Question 6

Midbrain, pons, and medulla

Answer 6

The Brain stem

Question 7

The cortex (outer layer) of the cerebrum is what?

Answer 7

Gray matter

Question 8

The interior of the cerebrum is?

Answer 8

White matter

Question 9

The cerebrum is involved in?

Answer 9

Logical reasoning, moral conduct, emotional responses, sensory interpretation, speech, voluntary muscle activity

Question 10

The frontal, parietal, occipital, and temporal lobes are part of the?

Answer 10

Cerebrum

Question 11

The diencephalon is called?

Answer 11

The interbrain

Question 12

What is the function of the thalamus?

Answer 12

It is the relay station for sensory impulses

Question 13

What is the function of the hypothalamus?

Answer 13

Regulates body temp., water balance, and metabolism

Question 14

What is the top of the brain stem called?

Answer 14

The midbrain

Question 15

What is the middle of the brain stem?

Answer 15

The pons

Question 16

What is the bottom of the brain stem?

Answer 16

Medulla

Question 17

What is the function of the brain stem?

Answer 17

Conveys impulses to the brain, controls HR, BP, breathing, swallowing, vomiting, and all necessary life functions

Question 18

What does the cerebellum do?

Answer 18

It coordinates muscle activity and controls our balance and equilibrium

Question 19

What are the membranes that cover the brain called?

Answer 19

Menegies

Question 20

Which layer of the menegie is the tough membrane attached to the skull?

Answer 20

Dura mater

Question 21

Which is the middle, web-like layer of the menegie called?

Answer 21

Arachnoid mater

Question 22

What is the delicate, inner layer of the menegie that clings to the brain?

Answer 22

Pia mater

Question 23

The 2-way conduction pathway to and from the brain that is enclosed in the vertebral column

Answer 23

Spinal cord

Question 24

How many pairs of spinal nerves come out of the cord?

Answer 24

31

Question 25

The part of the spinal cord that looks like an H?

Answer 25

Gray matter

Question 26

The white mater of the spinal cord is the?

Answer 26

Outer layer

Question 27

The dorsal and central roots of the spinal cord project from the front and back of the cord and then go into the what?

Answer 27

Spinal nerves

Question 28

The nerve cells that transmit messages from one part of body to another?

Answer 28

Neurons

Question 29

What are the messages sent from the brain called?

Answer 29

Nerve impulses

Question 30

What are the parts of a neuron?

Answer 30

The cell body and processes

Question 31

What contains the nucleus and organelles?

Answer 31

The cell body

Question 32

The part of the neuron that includes the dendrites and axons?

Answer 32

The processes

Question 33

The part of the neuron that brings electrical signals towards cell body, they receive incoming messages

Answer 33

Dendrites

Question 34

The part of the neuron that conducts electrical signal away from the cell body

Answer 34

Axon

Question 35

The axon terminal contains chemicals called what?

Answer 35

Neurotransmitters

Question 36

What are the gaps between neurons called?

Answer 36

Synapses

Question 37

What nervous system controls body activities automatically?

Answer 37

Autonomic nervous system

Question 38

What is the function of the autonomic nervous system?

Answer 38

Regulates your smooth muscles, heart muscles and glands involuntarily

Question 39

In control most of the time, calms body after sympathetic nervous system is aroused?

Answer 39

Parasympathetic nervous system

Question 40

Prepares body to react to some threat; fight or flight response

Answer 40

Sympathetic nervous system

Question 41

Rapid, predictable, involuntary responses to stimuli

Answer 41

Reflexes

Question 42

What is the reflex arc?

Answer 42

The receptor reacts to stimulus, the sensory neuron carry impulses to the CNS, integration centers are the spinal cord and brain, motor neurons carry impulses to effector organs, and effector organs stimulate muscle or gland

Question 43

What makes up the central nervous system?

Answer 43

The brain and spinal cord