Chapter 14 Brain, Cranial Nerves, Sensory Motor Part 1 Flashcards

1
Q

Major parts of adult brain is derived from

A

Embryonic brain vesicles

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2
Q

4 divisions of brain

A

Diencephalon
Cerebrum
Brain stem
Cerebellum

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3
Q

Diencephalon

A

Contains thalamus, hypothalamus, lambic system, and pituitary gland

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4
Q

Cerebrum

A

Divided into left and right hemisphere
Used for higher functions
Memory, processing,
Contains cortex

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5
Q

Brainstem

A

Contains midbrain, pons, medulla oblingata(autonomic functions)

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6
Q

Cerebellum

A

Balance, coordination

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7
Q

Hypothalamus

A

Emotions and autonomic functions

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8
Q

Pons

A

Relays sensory info to cerebellum and thalamus

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9
Q

Medulla oblingata

A

Autonomic regulation like breathing, heart rate, and digestion

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10
Q

Gyri

A

Bumps on brain

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11
Q

Sulcus

A

Indents in brain

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12
Q

Fissures

A

Deep sulci (creases)

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13
Q

Outer layer of cerebrum is made of

A

Grey matter

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14
Q

Inner cerebrum is made of

A

White matter

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15
Q

Gray matter is made of ——

White matter is made of —

A

Cell bodies

Myelinated axons

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16
Q

Basal nuclei

A

Clusters of grey matter deep in brain

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17
Q

How are lateral ventricles and third ventricle attached

A

Interventionist foramen

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18
Q

How are fourth ventricle and third ventricle attached

A

Cerebral aqueduct

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19
Q

Fourth ventricle is continueous with

A

Central canal

20
Q

Ventricles are lined with —- and filled with——

A

Ependymal cells, cerebrospinal fluid

21
Q

Meninges

A

Connective tissues that covers Brian and spinal cord

22
Q

Brain is protected by 3 things:

A

bones, meninges, cerebral spinal fluid (CSF)

23
Q

2 layers of cranial dura mater

A

External periostea layer

Internal meningea layer

24
Q

2 layers of dura mater

A

Outer-fused to periosteum
Inner-meningeal layer

Both fibrous

25
Q

Subarachnoid space is filled with

A

CFS

26
Q

What are found in Duran foods

A

Dura sinuses (collecting veins)

27
Q

3 major dura folds

A

Falx cerebri
Tentorium cerebelli
Falx cerebelli

28
Q

Between 2 hemispheres of cerebrum

A

Falx cerebri

29
Q

Between 2 hemispheres of cerebellum

A

Falx cerebelli

30
Q

Between cerebellum and cerebrum

A

Tentorium cerebelli

31
Q

What is in dural sinuses

A

Deoxygenated VENOUS blood

Old CSF

32
Q

3 locations of cerebrospinal fluid

A

Central canal of spinal cord

4 ventricles

Subarachnoid space of cranium and spinal cord

33
Q

Functions of cerebrospinal fluid

A

Cushion
Transport nutrient and waste
Support

34
Q

What produces CSF

A

Choroid plexuses

35
Q

What does CAF contain

A

Glucose, o2, co2, vitamin, ions

36
Q

What does blood Brian barrier not allow through

A

Protein, amino acids, waste products, most drugs, K

37
Q

What does the brown mood barrier allow

A

Fat soluble molecules (alcohol, nicotine, anesthetic)

38
Q

Meningitis

A

Inflammation of meninges

39
Q

Inflamed Brain is called

A

Encephalitis

40
Q

Drainage of CSF

A

Arachnoid granulations

41
Q

Hydrocephalus

A

Accumulation of CSF

42
Q

Fontanels

A

Spaces between bones that have not fused

43
Q

Internal hydrocephalus

External hydrocephalus

A

Blockage within ventricles

Blockage within subarachnoid space

44
Q

Blood brain barrier contains 3 things

A

Tight junctions
Astrocytes
Pencytes

45
Q

Blood brain barrier function

A

To separate CNS tissue from circulation

46
Q

Material that diffuse across membrane in capillaries

A

Lipid soluble substance, O2, CO2

47
Q

Material that move through protein channel

A

Glucose, Ca, Na,K,

Needs ATP