Nervous System

Question 1

Primary functional cell of the nervous system

Answer 1

Neuron

Question 2

Supporting cells (NS)

Answer 2

Neuroglia

Question 3

An automatic, involuntary response to change

Answer 3

Reflex

Question 4

Something that excites or activates

Answer 4

Stimulus

Question 5

A wave of excitation transmitted through nervous tissue

Answer 5

Impulse

Question 6

Conduct electrical signals away from the cell body

Answer 6

Axon

Question 7

Transmit electrical signals toward the cell body

Answer 7

Dendrites

Question 8

The cell’s life support center

Answer 8

Cell body

Question 9

Passes messages away from the cell body to other neurons, muscles, or glands

Answer 9

Axon

Question 10

Covers the axon of some neurons and helps speed neural impulses

Answer 10

Myelin sheath

Question 11

Covers the axon of some neurons and helps speed neural impulses

Answer 11

Myelin sheath

Question 12

Regulate extracellular brain fluid composition

Answer 12

Astrocytes

Question 13

Promote tight junctions to form blood-brain barrier

Answer 13

Astrocytes

Question 14

Line brain ventricles and spinal cord central canal

Answer 14

Ependymal cells

Question 15

Help form choroid plexuses that secrete cerebrospinal fluid

Answer 15

Ependymal cells

Question 16

Specialized macrophage

Answer 16

Microglia

Question 17

Form the myelin sheaths that surrounds axon of neurons in the CNS

Answer 17

Oligodendrocytes

Question 18

Wrap around portion of only one axon to form myelin sheath of the neuron in the peripheral nervous system

Answer 18

Schwann cells

Question 19

Surround neuron cell bodies in ganglia

Answer 19

Satellite cells

Question 20

Layers covering the brain and spinal cord

Answer 20

Meninges

Question 21

Space before pia mater

Answer 21

Epidural space

Question 22

Arachnoid plus the pia mater

Answer 22

Leptomeninx

Question 23

Spinal cord is divided into 5 part

Answer 23

Cervical
Thoracic
Lumbar
Sacral
Caudal

Question 24

Letter H, composed mainly of nerve cell bodies

Answer 24

Gray matter

Question 25

Largest part of the brain

Answer 25

Cerebrum

Question 26

Includes medulla oblongada, pons, mesencephalon, and the diancephalon

Answer 26

Brainstem

Question 27

Part of the brain responsible for touch, vision, hearing, speech, reasoning, emotions

Answer 27

Cerebrum

Question 28

Part of the brain responsible for muscle movement, maintain posture, and balance

Answer 28

Cerebellum

Question 29

3 primary brain vesicles during the early development of the nervous system

Answer 29

Forebrain Midbrain Hindbrain

Question 30

Combination of arachnoid and Pia mater

Answer 30

Leptomeninx

Question 31

Relay center connecting cerebrum and cerebellum to the spinal cord

Answer 31

Brainstem

Question 32

Space before arachnoid

Answer 32

Subdural space