AAP Lab Drost/Wiley Quiz 8, The Brain and Cranial Nerves

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1

Two major subdivisions of the PNS: Motor and Sensory

Describe Motor.

motor portion

somatic division (voluntary system)

-controls the skeletal muscles

2

Two major subdivisions of the PNS: Motor and Sensory

Describe Sensory.

sensory portion

autonomic nervous system (involuntary)

-controls smooth muscle, cardiac muscle, and glands

3

During embryonic development, the CNS first appears as a ____________ that extends down the _______________.

neural tube

dorsal median plane

4

List the 3 Primary Brain Vesicles at Week 4

prosencephalon (forebrain)

mesencephalon (midbrain)

rhombencephalon (hindbrain)

5

List the 5 Secondary Brain Vesicles at Week 5

telecephalon, diencephalon-(forebrain)

mesencephalon-(midbrain)

metencephalon, mylencephalon-(hindbrain)

6

List the 6 Adult Brain Structures

Cerebrum

Deincephalon

Brain stem

Cerebellum

Brain Stem

Spinal Cord

7

List the Adult Neural Canal Regions

Lateral ventricle-found in cerebrum

Third ventricle-found in diencephalon

Cerebral aqueduct-found in brain stem

Fourth ventricle-found in brain stem, cerebellum

Central canal

8

Name Cranial Nerve: I

List Function:

Olfactory

sense of smell

9

Name Cranial Nerve: II

List Function:

Optic

vision

10

Name Cranial Nerve: III

List Function:

Oculomotor

eye movement

11

Name Cranial Nerve: IV

List Function:

Trochlear

eye movement

12

Name Cranial Nerve: V

List Function:

Trigeminal

facial senses

13

Name Cranial Nerve: VI

List Function:

Abducens

looking away

14

Name Cranial Nerve: VII

List Function:

facial

facial expressions

15

Name Cranial Nerve: VIII

List Function:

vestibulocochlear

hearing and balance

16

Name Cranial Nerve: IX

List Function:

glossopharyngeal

gag reflex

17

Name Cranial Nerve: X

List Function:

vagus

heart rhythm and breathing

18

Name Cranial Nerve: XI

List Function:

accessory

head rotation

19

Name Cranial Nerve: XII

List Function:

hypoglossal

tongue movement

20

On

On

On

They

Traveled

And

Found

Voldemort

Guarding

Very

Ancient

Horcruxes

olfactory

optic

oculomotor

trochlear

trigerminal

abducens

facial

vestibulocochlear

vagus

accessory

hypoglossal

21

Some

Say

Money

Matters

But

My

Brother

Says

Big

Boobs

Matter

Most

sensory

sensory

motor

motor

both

motor

both

sensory

both

both

motor

motor

22

Ridges of brain tissue are called:

gyri

23

Shallow grooves of brain are:

sulci

24

A brain region that in humans is located in the dorsal portion of the frontal lobe

primary motor area

25

the primary cortical regions of the five sensory systems in the brain (taste, olfaction, touch, hearing and vision)

somatic sensory area

26

a region in the frontal lobe of the dominant hemisphere (usually the left) of the hominid brain with functions linked to speech production

broca's speech area