Nervous System

Question 1

What is the master controlling and communicating system of the body.

Answer 1

Nervous System

Question 2

The gathered information from stimuli

Answer 2

Sensory Input

Question 3

A process that interprets the sensory input and decides what should be done at any moment

Answer 3

Integration

Question 4

Consists of the brain and spinal cord

Answer 4

Central Nervous System (CNS)

Question 5

Part of the nervous system outside of the CNS, consists of the nerves from the brain and spinal cord

Answer 5

Peripheral Nervous System (PNS)

Question 6

Allows us to consciously control our skeletal muscles

Answer 6

Somatic Nervous System

Question 7

Regulates events that are automatic or involuntary

Answer 7

Autonomic Nervous System

Question 8

Nerve Glue

Answer 8

Neuroglia

Question 9

Star shaped cells that account for nearly half of the neural tissue

Answer 9

Astrocytes

Question 10

Spider-like phagocytes that dispose of debris

Answer 10

Microglia

Question 11

Glial cells that line the cavities of the brain and the spinal cord

Answer 11

Ependymal Cells

Question 12

Glia that wrap their flat extensions around the nerve fibers, making insulation

Answer 12

Oligodendrocytes

Question 13

Supporting cells in the PNS that form myelin sheaths

Answer 13

Schwann Cells

Question 14

Supporting cells in the PNS that cushion

Answer 14

Satellite Cells

Question 15

Nerve Cells

Answer 15

Neurons

Question 16

Neuron processes that convey messages toward the body

Answer 16

Dendrites

Question 17

Neuron processes that convey messages away from the body

Answer 17

Axons

Question 18

A cone-like region of the cell body where axons connect to neurons

Answer 18

Axon Hillock

Question 19

Terminals that contain hundreds of tiny vesicles that hold neurotransmitters

Answer 19

Axon Terminals

Question 20

A whitish, fatty material that covers long nerve fibers

Answer 20

Myelin

Question 21

Gaps or indents in a myelin sheath

Answer 21

Nodes of Ranvier

Question 22

The inward rush of sodium ions that changes the polarity of a neurons membrane

Answer 22

Depolarization

Question 23

Strong stimuli and large sodium flux causes a transmission of a ___. (nerve impulse)

Answer 23

Action Potential

Question 24

The outflow of positive ions that restores the electrical conditions of a membrane to a polarized or resting state

Answer 24

Repolarization

Question 25

Superior part of brain, larger than most parts, made up of the cerebral hemispheres

Answer 25

Cerebrum

Question 26

Central superior lobe of the brain

Answer 26

Parietal Lobe

Question 27

Front Lobe of the brain

Answer 27

Frontal Lobe

Question 28

Posterior lobe of the brain superior to the cerebellum

Answer 28

Occipital Lobe

Question 29

Medial Lobe of the brain, in most aspects

Answer 29

Temporal Lobe

Question 30

The cell bodies of neurons involved in the cerebral hemisphere functions are

Answer 30

Gray Matter

Question 31

Remaining central hemisphere tissue, not Gray Matter

Answer 31

Cerebral White Matter

Question 32

Posterior and inferior most part of the brain

Answer 32

Cerrebellum