Neuroanatomy Intro Flashcards

1
Q

CNS function

A
  • centre of all mental activity (thought, learning, memory)
  • regulates and maintains homeostasis (with endocrine system)
  • nervous system keeps us in touch with internal and external environments
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2
Q

components of CNS

A
  • brain
  • spinal cord
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3
Q

where is CNS found

A

dorsal body cavity

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4
Q

what is the brain surrounded by

A

cranium

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5
Q

what surrounds spinal cord

A

vertebrae

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6
Q

what surrounds CNS

A

three layers of meninges

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7
Q

what occurs during the sensory input stage

A

Receptors detect internal or external stimuli and relay information towards
CNS (afferent neurones)

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7
Q

what occurs during the integration stage

A

Analysis, Storage, Decision making, Perception

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8
Q

what occurs during motor output stage

A

Muscular contraction, Glandular Secretion

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9
Q

neurone type for sensory input stage

A

afferent

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10
Q

neurone type for integration stage

A

interneurones

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11
Q

neurone type for motor output stage

A

efferent neurones

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12
Q

what occurs in the frontal lobe

A

decision making and control of voluntary movement

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13
Q

what occurs in the temporal lobe

A
  • processing memories
  • integrating memories emotions and senses
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14
Q

what occurs in the parietal lobe

A

processing sensory and spatial information

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15
Q

what occurs in the occipital lobe

16
Q

where is Brocca’s area found

A

left side of frontal lobe

17
Q

where is wernike’s area found

A

left side of temporal lobe

18
Q

where does spinal cord begin

A

occipital bone

19
Q

where does spinal cord end

A

space between L1 and L2

20
Q

3 functions of the spinal cord

A
  • conduit for motor information (down spinal cord)
  • conduit for sensory information (up spinal cord)
  • a centre for co-ordinating certain reflex
21
Q

PNS

A

peripheral nervous system

22
Q

structure of PNS

A

cranial nerves and spinal nerves

23
Q

function of PNS

A

communication lines between CNS and rest of the body

24
structure of sensory or afferent division of PNS
somatic and visceral sensory nerve fibres
25
function of sensory or afferent division of PNS
conducts impluses from receptors to the CNS
26
structure of motor or efferent division of CNS
motor nerve fibres
27
function of motor or effernt division of PNS
conduits impulses from CNS to effectors (muscles and glands)
28
structure of somatic nervous system
somatic motor (voluntary)
29
function of somatic nervous system
conducts impulses from CNS to skeletal muscles
30
structure of autonomic nervous system
visceral motor (involuntary)
31
function of autonomic nervous system
conducts impulses from CNS to cardiac muscles, smooth muscles and glands
32
function of sympathetic division of ANS
mobilises body systems during activity