The Nervous System

Question 0

Identify the two main divisions of the nervous system

Answer 0

Central nervous system (CNS) which includes the brain and spinal cord.

Peripheral nervous system (PNS) which consists of the nerves that connect the CNS to the rest of the body.

Question 1

Name the three main functions of the nervous system

Answer 1

Sensory- sensory nerves gather info from inside the body and outside environment. The nerves then carry info to the CNS (central nervous system)

Integrative function- sensory info brought to the CNS is processed and interpreted

Motor function- motor nerves convey info from the CNS to the muscles and the glands of the body.

Question 2

Where is the cerebellum and what are it’s functions?

Answer 2

It’s the striped brain part and it lies at the back of the skull. It’s functions are to control voluntary muscles, balance and muscle tone.

Question 3

What is the cerebral cortex?

Answer 3

It’s the outer layer of the cerebrum.

Question 4

Which lobes are responsible for vision, hearing, smell and taste?

Answer 4

The occipital lobe is responsible for vision and the temporal lobe is responsible for hearing, smell and taste

Question 5

What is the parietal love responsible for?

Answer 5

Sensory stimuli.

Question 6

What does the frontal lobe control?

Answer 6

Personality, behaviour, emotion and motor function.

Question 7

What does the frontal lobe control?

Answer 7

It controls personality, behaviour, emotion and motor function.

Question 8

Along the brainstem is the medulla oblongata, what does it control?

Answer 8

MO controls vital functions such as heart rate and breathing.

Question 9

The midbrain and the pons relay both control both _______ and ________information.

Answer 9

Sensory and motor.

Question 10

What is cerebrospinal fluid (CSF)

Answer 10

Within the subarachnoid space CSF circulated with forms a little baby cushion around the brain and spinal cord to help prevent injury.

Question 11

The autonomic nervous system controls the automatic functions of the body which are ____,_______ and ______.

Answer 11

Smooth muscle (organs), heart and glands.

Question 12

The somatic nervous system allows us to consciously, or voluntarily, controls our skeletal muscles. How many cranial nerves and spinal nerves are there?

Answer 12

12 pairs of cranial nerves and 31 pairs of spinal nerves

Question 13

Nerves are made up of special cells called…..

Answer 13

NEURONS!!!!

Question 14

What do sensory NEURONS do?

Answer 14

Carry messages from a receptor to the brain, the brain then interprets the message.

THEN
Motor NEURONS send message to an affector in either a muscle or glands.

Question 15

Name some signs and symptoms of nervous system conditions/disorders.

Answer 15

Confusion, changes in personality, headache, blurred vision, changes in levels of consciousness, paralysis, hemiplegia, speech and communication problems, dizziness.

Question 16

What is CVA (cerebrovascular accident)

Answer 16

A stroke,
Disruption of blood supply to the brain resulting in loss of brain functions. Can be caused by either a clot of haemorrhage

Question 17

What is acquired brain injury? ABI

Answer 17

ABI refers of any type of brain damage that occurs after birth. It can include damage sustained by infection, disease, lack of oxygen or a blow to the head.