Organization Of Nervous System

Question 1

The Nervous system has three major functions:

Answer 1

Sensory functions
Integration functions
Motor functions

Question 2

Which function monitors internal & external environment through presence of receptors?

Answer 2

Sensory functions

Question 3

Which function interpretates the
sensory information (information processing)

Answer 3

Integration functions

Question 4

Which function is a response to information
processed through stimulation of effectors?

Answer 4

Motor functions

Question 5

There are 3 parts of the brain

Answer 5

Forebrain
Midbrain
Hindbrain

Question 6

Includes all of the cerebrum and the internal nuclei

Answer 6

Telencephalon

Question 7

the internal nuclei in telencephalon

Answer 7

Basal ganglia
Hippocampus
Olfactory bulb
Amygdala

Question 8

Outermost layer of the cerebrum

Answer 8

Cerebral cortex

Question 9

Composed of 2 - 4mm of gray matter

Answer 9

Cerebral cortex

Question 10

Up to 6 horizontal layers with unique neuronal projections

Answer 10

Cerebral cortex

Question 11

Basal ganglia Function

Answer 11

Motor control; connections with motor cortex and thalamus

Question 12

includes the thalamus and hypothalamus

Answer 12

Diencephalon

Question 13

Telencephalon + diencephalon =

Answer 13

Forebrain

Question 14

Main integrating centre for sensory information

Answer 14

Thalamus

Question 15

Main control centre for the autonomic nervous system

Answer 15

Hypothalamus

Question 16

Receives input from basal ganglia & cerebellum

Answer 16

Thalamus

Question 17

Mesencephalon divisions

Answer 17

Tectum
Tegmentum

Question 18

contain nuclei for visual center

Answer 18

superior colliculi

Question 19

contain nuclei for auditory center

Answer 19

inferior colliculi

Question 20

Myelencephalon + metencephalon =

Answer 20

Hindbrain

Question 21

Contains ascending & descending sensory and motor tracts connecting the cerebrum to the spinal cord

Answer 21

medulla oblongata

Question 22

myelencephalon contains

Answer 22

Medulla oblongata

Question 23

Metencephalon contains

Answer 23

Pons & cerebellum

Question 24

connect information between cerebellum and cerebrum

Answer 24

Pons

Question 25

Controls posture and balance

Answer 25

Cerebellum

Question 26

brainstem refers to

Answer 26

Medulla oblongata
Pons
Midbrain

Question 27

Spinal cord function

Answer 27

1. Conducts afferent stimuli from sensory receptors to the brain
2. Conducts efferent stimuli from brain to effectors/muscles
3. Site of reflex

Question 28

aggregates of nerve cells located outside the CNS

Answer 28

Ganglia

Question 29

PNS includes

Answer 29

sensory receptors
spinal
cranial nerves
ganglia

Question 30

CNS protection Against physical damage

Answer 30

Skull/vertebrae:
hard external protection

Meninges:
Pia mater (innermost layer) -Arachnoid mater -Dura mater

Question 31

CNS protection Against chemical damage

Answer 31

BBB - Tight junctions form physical barrier across capillaries

Question 32

CNS protection from physical and chemical damage

Answer 32

Cerebrospinal fluid -Shock absorption -Stable ionic composition