Chapter 14 Brain, Cranial Nerves, Sensory Motor Part 1

Question 1

Major parts of adult brain is derived from

Answer 1

Embryonic brain vesicles

Question 2

4 divisions of brain

Answer 2

Diencephalon
Cerebrum
Brain stem
Cerebellum

Question 3

Diencephalon

Answer 3

Contains thalamus, hypothalamus, lambic system, and pituitary gland

Question 4

Cerebrum

Answer 4

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

Question 5

Brainstem

Answer 5

Contains midbrain, pons, medulla oblingata(autonomic functions)

Question 6

Cerebellum

Answer 6

Balance, coordination

Question 7

Hypothalamus

Answer 7

Emotions and autonomic functions

Question 8

Pons

Answer 8

Relays sensory info to cerebellum and thalamus

Question 9

Medulla oblingata

Answer 9

Autonomic regulation like breathing, heart rate, and digestion

Question 10

Gyri

Answer 10

Bumps on brain

Question 11

Sulcus

Answer 11

Indents in brain

Question 12

Fissures

Answer 12

Deep sulci (creases)

Question 13

Outer layer of cerebrum is made of

Answer 13

Grey matter

Question 14

Inner cerebrum is made of

Answer 14

White matter

Question 15

Gray matter is made of ——

White matter is made of —

Answer 15

Cell bodies

Myelinated axons

Question 16

Basal nuclei

Answer 16

Clusters of grey matter deep in brain

Question 17

How are lateral ventricles and third ventricle attached

Answer 17

Interventionist foramen

Question 18

How are fourth ventricle and third ventricle attached

Answer 18

Cerebral aqueduct

Question 19

Fourth ventricle is continueous with

Answer 19

Central canal

Question 20

Ventricles are lined with —- and filled with——

Answer 20

Ependymal cells, cerebrospinal fluid

Question 21

Meninges

Answer 21

Connective tissues that covers Brian and spinal cord

Question 22

Brain is protected by 3 things:

Answer 22

bones, meninges, cerebral spinal fluid (CSF)

Question 23

2 layers of cranial dura mater

Answer 23

External periostea layer

Internal meningea layer

Question 24

2 layers of dura mater

Answer 24

Outer-fused to periosteum
Inner-meningeal layer

Both fibrous

Question 25

Subarachnoid space is filled with

Answer 25

CFS

Question 26

What are found in Duran foods

Answer 26

Dura sinuses (collecting veins)

Question 27

3 major dura folds

Answer 27

Falx cerebri Tentorium cerebelli Falx cerebelli

Question 28

Between 2 hemispheres of cerebrum

Answer 28

Falx cerebri

Question 29

Between 2 hemispheres of cerebellum

Answer 29

Falx cerebelli

Question 30

Between cerebellum and cerebrum

Answer 30

Tentorium cerebelli

Question 31

What is in dural sinuses

Answer 31

Deoxygenated VENOUS blood | Old CSF

Question 32

3 locations of cerebrospinal fluid

Answer 32

Central canal of spinal cord 4 ventricles Subarachnoid space of cranium and spinal cord

Question 33

Functions of cerebrospinal fluid

Answer 33

Cushion Transport nutrient and waste Support

Question 34

What produces CSF

Answer 34

Choroid plexuses

Question 35

What does CAF contain

Answer 35

Glucose, o2, co2, vitamin, ions

Question 36

What does blood Brian barrier not allow through

Answer 36

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

Question 37

What does the brown mood barrier allow

Answer 37

Fat soluble molecules (alcohol, nicotine, anesthetic)

Question 38

Meningitis

Answer 38

Inflammation of meninges

Question 39

Inflamed Brain is called

Answer 39

Encephalitis

Question 40

Drainage of CSF

Answer 40

Arachnoid granulations

Question 41

Hydrocephalus

Answer 41

Accumulation of CSF

Question 42

Fontanels

Answer 42

Spaces between bones that have not fused

Question 43

Internal hydrocephalus | External hydrocephalus

Answer 43

Blockage within ventricles | Blockage within subarachnoid space

Question 44

Blood brain barrier contains 3 things

Answer 44

Tight junctions Astrocytes Pencytes

Question 45

Blood brain barrier function

Answer 45

To separate CNS tissue from circulation

Question 46

Material that diffuse across membrane in capillaries

Answer 46

Lipid soluble substance, O2, CO2

Question 47

Material that move through protein channel

Answer 47

Glucose, Ca, Na,K, | Needs ATP