Lesson 11

Question 1

What structure is found in the dorsal root ganglion?

Answer 1

Cell Body

Question 2

Function of Meninges

Answer 2

Separate brain from skull
* Enclose and protect blood
vessels supplying brain
* Contain and circulate
cerebrospinal fluid

Question 3

All the Meniges superficial to deep

Answer 3

Superficial to Deep: Scalp, Periosteum, skull, dura mater, arachnoid mater, subarachnoid space, Pia mater, brain

Question 4

Which menige is filled with CSF

Answer 4

Subarachnoid space

Question 5

Where are the Lateral ventricles?

Question 6

Where is the third ventricle?

Question 7

Where is the forth ventricle?

Question 8

Where is the Cerebral aqueduct?

Question 9

What are ventricles #1 & #2

Answer 9

Lateral ventricles

Question 10

Functions of CSF

Answer 10

Buoyancy
* Protection (cushion)
* Environmental stability

Question 11

where is CSF

Answer 11

Circulates through the ventricles and subarachnoid space surrounding the CNS

Question 12

Where is CSF produced?

Answer 12

Choroid Plexus

Question 13

CSF is like what?

Answer 13

Water; clear colorless fluid

Question 14

CSF bathes the spinal cord and brain T/F

Answer 14

Yes

Question 15

What is Hydrocephalus caused by?

Answer 15

Excessive CSF

Question 16

What causes hydrocephalus

Answer 16

Obstruction of CSF flow
* Overproduction of CSF
* Impaired drainage of CSF

Question 17

What are the 2 hemispheres of the Cerebrum connected by

Answer 17

Corpus Callosum

Question 18

Gyri & Sulci decrease surface area on the brain T/F

Answer 18

F

Question 19

What is Grey matter?

Question 20

What is White Matter?

Answer 20

made up of axons and mylein sheaths

Question 21

What does the Frontal lobe control

Answer 21

Decision making, personality, verbal communication, voluntary motor
control of skeletal muscles

Question 22

Parietal Lobe

Answer 22

Sensory interpretation of textures and shapes, understanding speech

Question 23

Temporal Lobe

Answer 23

Auditory and olfactory experience

Question 24

Occipital lobe

Answer 24

Vision

Question 25

Insula

Answer 25

Taste

Question 26

I touch a desk and realize its very cold and there are pencil eraser remains on the surface. which lobe helps me feel that

Answer 26

Parietal

Question 27

Nate is yelling at you what lobe helps you know that

Answer 27

Temporal Lobe

Question 28

This sushi is nasty, which lobe helps me know that?

Answer 28

Insula

Question 29

What is the Homunculus?

Answer 29

(meaning little person) ends at the top of the cortex connects to axons that go all over the body. Feet, hands, face, tongue, etc

Question 30

Does the Homunculus have more axons for the hand or the foot

Answer 30

hand

Question 31

whats a motor neuron?

Question 32

Cerebral Cortex

Question 33

What are the 3 types of fibers in cerebral white matter

Answer 33

association fiber, communal fiber, projection fibers

Question 34

What is the Diencephalon?

Question 35

which section of the brain is the Diencephalon

Answer 35

Midsagittal section

Question 36

The hypothalamus is posterior and superior to the Thalamus

Answer 36

false, its posterior and inferior

Question 37

Where is the thalmus

Answer 37

Lies on either side of the third ventricle

Question 38

What does the thalamus do?

Answer 38

Relay station for sensory and motor information entering the cerebrum

Question 39

function of the Hypothalmus

Answer 39

Functions B ehavior E ndocrine E motion T emperature control S leep/Wake cycles H unger/Thirst A utonomic control M emory

Question 40

infundibulum

Question 41

full name of medulla

Answer 41

medulla oblongata

Question 42

function of the Cerebellum

Answer 42

Fine-tunes, smoothens and coordinates muscle movements * Balance/equilibrium

Question 43

BrainStem is the more sophisticated part of the brain very little instinct T/F

Answer 43

False

Question 44

I trip and my kneejerk reaction is to use my hands to break my fall. what part of the brain directs that

Answer 44

Brain stem

Question 45

brainstem is the passageway between what 2 tissues

Answer 45

Cerebrum and spinal cord

Question 46

Medulla

Answer 46

Cardiac center * Vasomotor center * Respiratory center * Reflexes * Coughing, sneezing, gagging, vomiting etc.

Question 47

The Limbic system is sometimes refered to as the emotional brain

Answer 47

True

Question 48

limbic system

Answer 48

Involved in emotion, memory, and motivation

Question 49

How many cervical nerves are there

Answer 49

8

Question 50

Spinal cord

Question 51

how many thoracic nerves?

Answer 51

12

Question 52

Lumbar nerves?

Answer 52

5

Question 53

Sacral?

Answer 53

5

Question 54

Coccygeal?

Answer 54

1

Question 55

there are 7 cervical vertebrae for the 8 cervical nerves

Answer 55

yes

Question 56

Grey matter in the spinal cord has

Answer 56

– Anterior horn (#1) – Posterior horn (#2) – Lateral horn (not shown)

Question 57

White matter in the spinal cord has

Answer 57

Anterior funiculus (#3) – Lateral funiculus (#4) – Posterior funiculus

Question 58

Ascending tracks are in what matter

Answer 58

White matter

Question 59

Afferent

Answer 59

Brings sensory information to the brain

Question 60

slide 23 2 more questions

Question 61

Descending tracks carry

Answer 61

motor information