Overview Of Nervous System

Question 1

What are the two directional functions of the nervous system?

Answer 1

Input (Afferent)

Output (Efferent)

Question 2

Other words for Afferent and Efferent in the nervous system (not lymphatic)

Answer 2

Sensory and motor

Question 3

Name of the neuron that is between the input and motor neuron

Answer 3

Interneuron

Question 4

_______ from body send signals to the CNS

Answer 4

Receptors

Question 5

CNS is classified by _____ or ______

Answer 5

Function or structure

Question 6

What is the functional organisation of the nervous system? (not CNS)

Answer 6

Sensory nervous system (afferent/arrives)

Motor nervous system

Question 7

What are the two subclassifications of sensory and motor nervous system?

Answer 7

Somatic and Visceral

Body and gut/organ

Question 8

What are the structural components of CNS?

Answer 8

Brain

Spinal cord

Question 9

What are divisions of PNS?

Answer 9

Everything in the nervous system besides the CNS

Question 10

What are the 2 cells of the nervous system?

Answer 10

Neuron (functional/structural unit of the NS) and neuroglial (supporting cells)

Question 11

What are the structural components of the neuron?

Answer 11

Cell body
Dendrites
Axon
Axon hillock

Question 12

Oligodendrocyte

Answer 12

Myelinates multiple axons

Question 13

Astrocytes

Answer 13

Supporting cell

Regulates ions, NS repair

Question 14

Microglial

Answer 14

Phagocytes/ Eats waste in the NS

Question 15

Ependymal

Answer 15

Lines the ventricular system

CFS (Cerebrospinal fluid) production

Question 16

Schwann

Answer 16

Myelinates a single axon (PNS)

Question 17

What are the three nervous connective tissue names? Deep to superficial

Answer 17

Endonuerium
Perineurium
Epineurium

Question 18

What are the names of layers of nerve? Deep to superficial

Answer 18

Axon and myelin sheath
Fascicle
Nerve

Question 19

What is providing nerve fibres to/from and organ or tissue called?

Answer 19

Innervate