Intro to BB

Question 1

What are the functions of the nervous system? (4)

Answer 1

Gather sensory information from the external environment
Integrate that information
Produce motor, behavioural and cognitive responses
Regulate body homeostasis

Question 2

What is the motor function of cranial nerves...
III, IV and VI
V
VII
IX
X?

Answer 2

III, IV and Vi - move the eyes
V - jaw muscles
VII - facial muscles
IX - throat muscles
X - internal organs

Question 3

What are the functions of the different lobes of the brain?

Answer 3

Frontal - movement
Temporal - hearing and memory
Parietal - somatosensory
Occiptal - vision

Question 4

What are the subdivisions of the peripheral nervous system?

Answer 4

Autonomic (symp and parasymp)

Somatic

Question 5

What is the difference between Broca’s and Wernicke’s areas?

Answer 5

Broca is for language expression

Wernicke for language comprehension

Question 6

What is the main inhibitory neurotransmitter in the brain? What is the main excitatory one?

Answer 6

GABA

Glutamate

Question 7

DCML - where does it cross over? What is it for?

Answer 7

Medulla

Discriminative touch

Question 8

Spinocerebellar tract - what is it for?

Answer 8

Propioception

Question 9

Spinothalamic tract - what is it for? Where does it cross over?

Answer 9

Pain and temperature

In spinal cord

Question 10

Corticospinal (descending) tract - what is it for? Where does it cross over?

Answer 10

Motor

Spinomedullary junction