Nervous System

Question 1

A major subdivision that serves as the communication lines, linking all parts of the body to the CNS
Monitors internal and external conditions

Answer 1

PNS

Question 2

Functional unit of the N.S. And carries electrical impulses at great speeds

Answer 2

Neurons

Question 3

Many dendrites & 1 axon

Answer 3

Multipolar

Question 4

1 dendrite & 1 axon

Answer 4

Bipolar

Question 5

1 extension that splits into dendrites & axon

Answer 5

Unipolar

Question 6

Carries info from PNS to CNS

Unipolar

Answer 6

Sensory

Question 7

Link between neurons in CNS

Answer 7

Interneurons

Question 8

Carry info from CNS to PNS

Effectors

Multipolar

Answer 8

Motor

Question 9

Support neuron

Answer 9

Neuralgia cells

Question 10

Surrounds all axons in PNS, repair process after injury, produce myelin

Answer 10

Schwann Cells

Question 11

Removes cell debris by phagocytosis

Answer 11

Microglia

Question 12

Line ventricle in CNS, assist in producing cerebrospinal fluid

Answer 12

Ependymal Cells

Question 13

Myelinate CNS axons, provide structural framework (produces myelin)

Answer 13

Oligodendrocytes

Question 14

Absorb & recycle neurotransmitters from scar tissue after injury maintains blood brain barrier

Answer 14

Astrocytes

Question 15

Afferent Pathway (input)

Answer 15

PNS to CNS

Question 16

Efferent Pathway (output)

Answer 16

CNS to PNS

Question 17

Flight or fight response

Answer 17

Sympathetic N.S.

Question 18

Rest and digest, normal every day conditions

Answer 18

Parasympathetic

Question 19

Voluntary (skeletal, muscle)

Answer 19

Somatic N.S.

Question 20

Involuntary (cardiac & smooth muscle, glands)

Answer 20

Autonomic N.S.

Question 21

Major subdivision that interprets incoming info and issues orders composed of the brain and spinal cord

Answer 21

CNS

Question 22

Conducts an electrical impulse (action potential)

Answer 22

Axon

Question 23

Play a role in intercellular communication, sensory process

Answer 23

Dendrites

Question 24

The body of the neuron that houses the Golgi, mitochondria, and the nucleus

Answer 24

Cell body

Question 25

An insulation around the axon that increases the speed of the action potential

Answer 25

Myelin Sheath

Question 26

Communication with another cell

Answer 26

Synaptic Terminal (Knob)

Question 27

The site of protein synthesis clustered ribosomes and rough ER

Answer 27

Nissl Bodies

Question 28

Conducts an electrical impulse (action potential)

Answer 28

Axon

Question 29

Play a role in intercellular communication, sensory process

Answer 29

Dendrites

Question 30

The body of the neuron that houses the Golgi, mitochondria, and the nucleus

Answer 30

Cell body

Question 31

An insulation around the axon that increases the speed of the action potential

Answer 31

Myelin Sheath

Question 32

Communication with another cell

Answer 32

Synaptic Terminal (Knob)

Question 33

The site of protein synthesis clustered ribosomes and rough ER

Answer 33

Nissl Bodies

Question 34

Controls the cell, has DNA, RNA & proteins

Answer 34

Nucleus

Question 35

Chemical released by neurons that stimulate other neurons, muscles or glands

Answer 35

Neurotransmitter

Question 36

Changes that occur outside the body, that activate the nervous system

Answer 36

Stimuli

Question 37

Junction or point of close contact between neurons

Answer 37

Synapse