CENTRAL NERVOUS SYSTEM

Question 1

What is the function?

Answer 1

Receives, processes information & initiates action

Question 2

What is the function of the brain?

Answer 2

Receives, processes sensory information, initiates responses, stores memories, generates thoughts & feelings.

Question 3

What is the function of the spinal cord?

Answer 3

Conducts signals to and from the brain, & controls reflex activities.

Question 4

What are the 4 major regions of the brain?

Answer 4

Cerebrum, Diencephalon, Brainstem, & Cerebellum

Question 5

What is divided into right & left hemispheres and is the superior part of the brain?

Answer 5

The Cerebrum

Question 6

Name of the elevated regions of the cerebrum?

Answer 6

Gyri

Question 7

The grooves found on the surface of the cerebrum and cerebellum

Answer 7

Sulci

Question 8

What divides the cerebrum into 2 halves?

Answer 8

The longitudinal fissure

Question 9

What is the cortex?

Answer 9

Superficial layer of grey matter

Question 10

Deeper tissue of the cerebrum composed of fiber tracts

Answer 10

White matter

Question 11

The structure that connects the two cerebral hemispheres allowing them to communicate

Answer 11

Corpus Callosum

Question 12

What are the 4 lobes of the cerebrum?

Answer 12

Frontal, parietal, temporal & occipital

Question 13

The frontal lobe is responsible for

Answer 13

Higher cognitive functions

Question 14

Function of Broca’s area

Answer 14

Speech & movements of the mouth

Question 15

Function of parietal lobe is….

Answer 15

Taste

Question 16

Function of temporal lobe is….

Answer 16

Hearing

Question 17

Function of occipital lobe is….

Answer 17

Vision

Question 18

What’s the area that helps you understand spoken language?

Answer 18

Wernicke’s Area

Question 19

Major part of the brain that releases hormones & regulates sleep cycle?

Answer 19

The diencephalon

Question 20

Function of the thalamus?

Answer 20

Relay sensory impulses to the cerebral cortex

Question 21

Function of the hypothalumus?

Answer 21

Regulates body temperature

Question 22

Function of epithalumus?

Answer 22

Forms roof of third ventricle

Question 23

What forms the cerebrospinal fluid?

Answer 23

Choroid Plexus

Question 24

Function of the brainstem is..

Answer 24

Regulate cardiac & respiratory function, consciousness, & sleep cycle

Question 25

What does the brainstem include?

Answer 25

Midbrain, Pons, Medulla Oblongata

Question 26

Regulates autonomic involuntary, functions such as breathing, heart rate, & blood pressure is?

Answer 26

Medulla Oblongata

Question 27

Function of the cerebellum is?

Answer 27

Balance, & coordination of muscles and the body

Question 28

What protects the CNS?

Answer 28

Skull, Vertebrae, Meninges, Cerebral Spinal Fluid & BBB.

Question 29

Protective membranes that surround & protect the brain & spinal cord is...

Answer 29

Meninges

Question 30

What are the layers from superficial to deep?

Answer 30

Dura mater, arachnoid mater, subarachnoid mater & pia mater

Question 31

What protects nervous tissue from blows and other trauma?

Answer 31

The cerebrospinal fluid

Question 32

What does the blood brain barrier (BBB) do?

Answer 32

Separates the circulating blood from the brain extracellular fluid in the CNS

Question 33

What protects the spinal cord?

Answer 33

Meninges & CSF

Question 34

At the base of the spinal column near the first lumbar vertebrae is a collection of nerves called?

Answer 34

Cauda Equina

Question 35

What neurons go to the CNS?

Answer 35

Sensory of afferent neurons

Question 36

What neurons go from the CNS?

Answer 36

Motor or efferent neurons

Question 37

How many cranial nerves?

Answer 37

12 nerves

Question 38

How many spinal nerves?

Answer 38

31 pairs

Question 39

What are nerves made out of?

Answer 39

Axons