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H Anatomy > CNS > Flashcards

CNS Flashcards

1
Q

Nervous System Anatomical Classification

A

Central Nervous System CNS
Peripheral Nervous System PNS

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2
Q

Central Nervous System CNS is consisted of

A

Brain
Spinal cord

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3
Q

PNS is consisted of

A

Cranial Nerves (12 pairs)
Spinal Nerves (31 pairs)

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4
Q

Nervous System (Physiological Classification)

A

Somatic and autonomic

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5
Q

Brain is divided to 3 parts name them

A

Forebrain Midbrain Hindbrain

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6
Q

Forebrain is consisted of

A

Cerebrum
Thalamus
Hypothalamus

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7
Q

Hindbrain is consisted of

A

Cerebellum
Pons
Medulla Oblongata

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8
Q

Main parts of the brain

A

Cerebrum
Cerebellum
Brain stem
Diencephalon

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9
Q

Cerebrum consists of

A

two cerebral hemispheres; right and left.

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10
Q

Cerebellum consists of

A

two cerebellar hemispheres; right and left

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11
Q

Brain stem formed from the

A

midbrain, the pons and the medulla oblongata.

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12
Q

Diencephalon divided into

A

thalamus, subthalamus, hypothalamus, epithalamus
and meta-thalamus

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13
Q

Cerebrum is what (according to it’s size)

A

is the largest part of the brain & has two
hemispheres.

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14
Q

Cerebrum surface shows ridges of tissue, called

A

Gyri

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15
Q

Gyri separated by grooves called

A

sulci

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16
Q

The two cerebral hemisphere are Connected together by

A

corpus callosum.

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17
Q

Each cerebral hemisphere is divided into 4 lobes name them

A
  1. Frontal lobe
  2. Parietal lobe
  3. Temporal lobe
  4. Occipitallobe
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18
Q

Frontl lobe is responsible for

A

Thinking , memory, behaviour and movement

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19
Q

Parietal lobe is responsible for

A

Language and touch

20
Q

Temporal lobe is responsible for

A

Hearing, learning and feelings

21
Q

Occipital is responsible for

A

Sight

22
Q

Brainstem is responsible for

A

Breathing, heart rate and temperature

23
Q

Cerebellum is responsible for

A

Balance and coordination

24
Q

Cerebellum is also called

A

Little brain

25
Q

Describe Cerebellum structure and site

A

Small structure under the base at the back of the
brain

26
Q

Cerebellum has how many hemisheres? Describe its surface

A

has two hemispheres and has a highly folded surface
or cortex

27
Q

Cerebellum function is

A

Responsible for balance and coordination

28
Q

Define Cerebellar ataxia

A

Uncoordinated movement due to lesion in the cerebellum

29
Q

Ataxic gait

A

Unsteady walk

30
Q

Brainstem lies in between what and what

A

between the cerebrum and the
spinal cord.

31
Q

Brainstem Control

A

breathing , blood pressure and
heart rate

32
Q

Spinal cord length, shape, site

A

45 cm long
cylindrical
lies within the vertebral canal

33
Q

Spinal cord extends from …… to ……

A

Extends from foramen magnum to
L 2vertebra

34
Q

Spinal cord is Continuous above with

A

medulla oblongata

35
Q

The lower tapering end of the spinal cord is called

A

Conus medullaris

36
Q

Spinal cord Gives rise to how many spinal nerves

A

31 pairs

37
Q

Group of spinal nerves is continuous with the end of the spinal cord is called

A

cauda equina

38
Q

cauda equina is

A

Group of spinal nerves is continuous with the end of the spinal cord

39
Q

Each segment in the spinal cord gives origin to a

A

pair of spinalnerves.

40
Q

Spinal nerves are classified into

A

8 cervical nerves
12 thoracicnerves
5 lumbar nerves
5 sacral nerves
1 coccygealnerve

41
Q

Meninges are

A

three coverings of the central nervous system

42
Q

Meninges are arranged from inside outwards

A
  1. Pia mater
  2. Arachinoid mater
  3. Dura mater
43
Q

Spaces related to the meninges

A
  1. Subarachnoid space
  2. Subdural space
  3. Epidural space
44
Q

The cerebrospinal fluid is the

A

fluid circulating inside the CNS in subarachnoid space

45
Q

Meningitis is

A

The inflammation of the membrane surrounding the brain and spinal cord including the dura, arachnoid and pia mater

H Anatomy (12 decks)

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