Brain Regions

Question 1

Cerebral Hemispheres

Answer 1

• Cortex: Gray Matter
• Basal Nuclei

Question 2

Diencephalon

Answer 2

• Thalamus
• Hypothalamus
• Limbic system

Question 3

Brain Stem

Answer 3

• MidBrain
• Pons
• Medulla Oblongata
• Reticular Formation

Question 4

Cerebellum

Answer 4

Processes information from cerebral motor cortex proprioceptors and visual equilibrium pathways

Question 5

Cerebral Cortex lobes

Answer 5

• Frontal Lobe
• Parietal Lobe
• Temporal lobe
• Occupital Lobe

Question 6

Cortex: Gray Matter

Answer 6

Interprets sensory inputs

Question 7

Basal Nuclei

Answer 7

Subcortical motor center helps control skeletal muscle movements

Question 8

Thalamus

Answer 8

Relays sensory information to cerebral cortex

Question 9

Hypothalamus

Answer 9

Chief integration center of autonomic nervous system

Question 10

Epithalamus

Answer 10

Connects limbic system to other parts of the brain

Question 11

Limbic System

Answer 11

Emotional response, memory processing

Question 12

Midbrain

Answer 12

Visual and auditory reflex centers

Question 13

Pons

Answer 13

Relays information from cerebrum to cerebellum

Question 14

Medulla Oblongata

Answer 14

Relays ascending sensory pathway impulses from skin and proprioceptors

Question 15

Reticular Formation

Answer 15

Helps regulate skeletal and visceral muscle activity

Question 16

Meninges

Answer 16

• Dura Mater
• Arachnoid mater
• Pia Mater

Question 17

Dura Mater

Answer 17

Outermost layer, double layered, attaches to skull inner surface and outermost covering of brain

Question 18

Arachnoid mater

Answer 18

Threadlike expansions attach to intermost membrane

Question 19

Pia Mater

Answer 19

Clings to surface of brain and spinal cord covering every fold

Question 20

Cranial Nerves: Olfactory

Answer 20

Carries impulse from sense of smell

Question 21

Cranial Nerves: Optic

Answer 21

Carries impulse for vision

Question 22

Cranial Nerves: Oculomotor

Answer 22

Supplies motor fibers to 4 of 6 muscles, direct eyeball, eyelid, internal eye muscles

Question 23

Cranial Nerves: Trochlear

Answer 23

Supplies motor fibers for 1 external eye muscle

Question 24

Cranial Nerves: Trigeminal

Answer 24

Conducts sensory impulses from the skin of the face and mucosa of nose, mouth, corneas

Question 25

Cranial Nerves: Abdunces

Answer 25

Supplies motor fibers to lateral rectus muscle, rolls eyes

Question 26

Cranial Nerves: Facial

Answer 26

Activate muscles of facial expression

Question 27

Cranial Nerves: Vestibulocochlear

Answer 27

transmits impulses for sense of balance, sense of hearing

Question 28

Cranial Nerves: Glossopharyngeal

Answer 28

supplies motor fibers to pharynx that promote swallowing, saliva production

Question 29

Cranial Nerves: Vagus

Answer 29

Carry sensory impulses from and motor impulses to pharynx, larynx

Question 30

Cranial Nerves: Accessory

Answer 30

activate sternocleidomastoid and trapezius muscles

Question 31

Cranial Nerves: Hypoglossal

Answer 31

motor fibers control tongue movement

Question 32

Spinal Nerves: Phrenic

Answer 32

Diaphragm; skin muscles of shoulder and neck

Question 33

Spinal Nerves: Axillary

Answer 33

Deltoid muscle, skin of shoulder

Question 34

Spinal Nerves: Radial

Answer 34

Triceps and extensor muscles

Question 35

Spinal Nerves: Median

Answer 35

Flexor muscles and some hand muscles

Question 36

Spinal Nerves: Musculocutaneous

Answer 36

Flexor muscles of arm

Question 37

Spinal Nerves: Ulnar

Answer 37

Some flexor muscles of anterior forearm

Question 38

Spinal Nerves: Femoral

Answer 38

Lower abdomen, anterior and medial thigh muscles

Question 39

Spinal Nerves: Obturator

Answer 39

Abductor muscles of medial thigh muscles

Question 40

Spinal Nerves: Sciatic

Answer 40

Lower trunk and posterior surface of thigh

Question 41

Spinal Nerves: Superior and Inferior Gluteal

Answer 41

Glute muscles of hip