The Nervous System

Question 1

What are the components of the Central Nervous System?

Answer 1

• Brain
• Spinal Cord
  (within the skull and vertebral column)

Question 2

What are the components of the Peripheral Nervous System?

Answer 2

• Nerves
  (connects the CNS to the other tissues in the body)

Question 3

What are the 4 lobes of the brain?

Answer 3

• Occipital
• Temporal
• Frontal
• Parietal

Question 4

How heavy is the brain?

Answer 4

1.5kg

Question 5

How many pairs of cranial nerves are there?

Answer 5

12

Question 6

How many pairs of spinal nerves?

Answer 6

31

Question 7

What do cranial nerves control?

Answer 7

control functions of face and special senses

Question 8

Where do cranial nerves arise from?

Answer 8

arise from the brainstem

Question 9

What do spinal nerves control?

Answer 9

control functions of head, neck, arms, legs, thorax and internal organs

Question 10

Where do spinal nerves arise from?

Answer 10

arise from the spinal cord

Question 11

How long is the spinal cord (approx.)?

Answer 11

approximately 45cm

Question 12

What does a bundle of neurones together in the PNS make?

Answer 12

a nerve

Question 13

How does the brain communicate with the body?

Answer 13

The brain sends and receives information to and from the body via the nerves

Question 14

What are examples of neurotransmitters?

Answer 14

• Dopamine
• Serotonin
• Acetylcholine
• Substance P
• Glutamate
• GABA
• Histamine
• Endorphins
• Adrenaline

Question 15

Give (5) examples of uses of the nervous system

Answer 15

• movement
• sensation
• memory
• balance
• language
• behaviour
• aging
• sleep
• sweating
• hormone control
• healing and immune system

Question 16

What are signs of neurological injury or illness?

Answer 16

• Weakness
• Sensory loss/changes
• Reduced co-ordination
• Reduced proprioception
• Altered balance
• Visual field loss
• Hearing impairment
• Altered speech
• Unable to swallow

Question 17

What are symptoms of neurological injury or illness?

Answer 17

• Double vision
• Hearing loss
• Pins and needles
• Numbness
• Pain (but not always!)
• Weakness
• Memory problems
• Odd behaviour
• Mood changes

Question 18

What are some examples of Peripheral nerve disorders?

Answer 18

• Carpal tunnel syndrome
• Sciatica
• Trauma
• Erb’s palsy
• Neuropathy
• Guillian Barre Syndrome
• MND

Question 19

What are some examples of Central nervous disorders?

Answer 19

• Stroke
• Head injury
• Meningitis
• Cerebral palsy
• MND

Question 20

What are some examples of neurodegenerative disease?

Answer 20

• Parkinson’s
• Huntington’s
• Alzheimer’s
• Multiple Sclerosis
• Prion disease
• Spinal Muscular Atrophy (SMA)
• Spino-Cerebellar Ataxia (SCA)

Question 21

What are some examples of neuropsychiatry disorders?

Answer 21

• Seizures
• Anxiety
• Neurocognitive impairment
• Neuropathic Pain (migrane)
• Mania
• Physical Disability
• Addiction
• Epilepsy
• Mood disorder (aggression and violence)

Question 22

What is the purpose of the somatic nervous system?

Answer 22

guides your voluntary movements.

Question 23

What is the purpose of the autonomic nervous system?

Answer 23

regulates the activities you do without thinking about them (involuntary movements).

Question 24

What is the name of the specialist receptor that connects the nervous system to the muscles?

Answer 24

motor end plate

Question 25

Spinal nerves connect the nervous system to what?

Answer 25

the spinal cord