The Brain and Cranial Nerves

Question 1

Cranial Nerve 1

Answer 1

Olfactory; sensory; smell

Question 2

Cranial Nerve 2

Answer 2

Optic; sensory; vision

Question 3

Cranial Nerve 3

Answer 3

Occulomotor; motor; muscle movement of the eyes

Question 4

Cranial Nerve 4

Answer 4

Trochlear; motor; extraocular muscles

Question 5

Cranial Nerve 5

Answer 5

Trigeminal; motor and sensory; chewing and sensory info for face

Question 6

Cranial Nerve 6

Answer 6

Abducens; motor; extraocular muscles

Question 7

Cranial Nerve 7

Answer 7

Facial; sensory and motor; facial expressions and taste buds

Question 8

Cranial Nerve 8

Answer 8

Vestibulocochlear; sensory; sense of position, acceleration, equilibrium

Question 9

Cranial Nerve 9

Answer 9

Glossopharyngeal; sensory and motor; swallowing and taste buds

Question 10

Cranial Nerve 10

Answer 10

Vagus; sensory and motor; internal organs sensory and movement

Question 11

Cranial Nerve 11

Answer 11

Spinal Accessory; motor; trapezius and sternocleidomastoid

Question 12

Cranial Nerve 12

Answer 12

Hypoglossal; motor; tongue movement

Question 13

Structure below the cerebral cortices that contains the epithalamus, thalamus, and hypothalamus

Answer 13

Diencephalon

Question 14

Includes pineal gland and choroid plexus

Answer 14

Epithalamus

Question 15

Includes the pituitary gland

Answer 15

Hypothalamus

Question 16

Includes midbrain, pons, medulla oblongata

Answer 16

Brainstem

Question 17

Found on the postcentral gyrus of the parietal lobe

Answer 17

primary somatosensory cortex

Question 18

Found on the precentral gyrus of the frontal lobe

Answer 18

Primary motor cortex

Question 19

Ridges

Answer 19

Gyri

Question 20

Valleys

Answer 20

Sulci

Question 21

What is the cycle path for cerebrospinal fluid

Answer 21

Lateral ventricles>interventricular foramina>third ventricle> cerebral aqueduct> fourth ventricle>central canal>choroid plexuses

Question 22

Three layers of meninges

Answer 22

Dura mater (outer), arachnoid mater (middle), pia mater (inner)

Question 23

Where the dura mater becomes a pillowcase and divides to allow passage of deoxygenated blood away from the brain

Answer 23

Dural venous sinuses

Question 24

Where is the CSF produced

Answer 24

choroid plexus of the lateral ventricles

Question 25

The third ventricle is surrounded by the...

Answer 25

thalamus

Question 26

The fourth ventricle is surrounded by the...

Answer 26

Pons anteriorly and cerebellum posteriorly

Question 27

These structures take CSF into the blood vessels surrounding the brain

Answer 27

arachnoid aranulations

Question 28

Initiaties movement and coordinate antagonistic muscle pairs; found deep within the cerebral hemispheres bear ventricles; grey matter

Answer 28

Basal Nuclei

Question 29

Connects the right and left sides of the brain; corpus callosum

Answer 29

Commissural tracts

Question 30

Connects higher and lower regions of the central nervous system;

Answer 30

Projection tracts

Question 31

Generally found in the cerebrum, connect one part of the cortex to adjacent regions of the same hemisphere

Answer 31

Association tracts

Question 32

Relay station

Answer 32

Thalamus

Question 33

Provides autonomic control, produces emotions, regulates sleep cycle and regulates body temperature; includes pituitary gland

Answer 33

Hypothalamus

Question 34

White matter tracts that travel to and from the cerebral hemispheres in the midbrain

Answer 34

Cerebral peduncles

Question 35

nuclei (grey matter) in the midbrain that includes the inferior and superior colliculi

Answer 35

Corpora Quadrigemina

Question 36

Visual reflex center in midbrain

Answer 36

Superior colliculi

Question 37

Auditory reflex center in the midbrain

Answer 37

Inferior colliculi

Question 38

A passageway for neuron that contains mostly white matter (in brainstem)

Answer 38

Pons

Question 39

White matter tracts that travel towards the cerebellum

Answer 39

Cerebellar peduncle

Question 40

Cardiovascular control, respiratory control, other visceral reflexes (GI Tract)

Answer 40

Medulla oblongata

Question 41

Located on the anterior surface of the medulla and contains corticospinal tracts (descending axons going to spinal cord)

Answer 41

Medullary pyramids

Question 42

controls balance and proprioception; little brain

Answer 42

cerebellum

Question 43

Connects the two hemispheres of the cerebellum

Answer 43

vermis

Question 44

white matter on the cerebellum

Answer 44

arbor vitae

Question 45

Ridges along the lobe of the cerebellum

Answer 45

Folia

Question 46

Includes cerebral cortex, thalamus, hypothalamus. Structures coordinate to recognize social cues and elicits emotions and memory

Answer 46

Limbic system

Question 47

Group of nuclei in brainstem that are responsible for filtering/limiting sensory info from reaching your conscious mind and keeps you alert

Answer 47

Reticular formation