Human Brain

Question 1

gyri

Answer 1

Elevated ridges of cerebrum

Question 2

sulci

Answer 2

shallow grooves separating gyri

Question 3

cerebral cortex

Answer 3

gray matter, conscious mind

Question 4

primary motor cortex

Answer 4

controls voluntary motor skills

Question 5

premotor cortex

Answer 5

learned motor skills that repeat or have a pattern

Question 6

Broca’s area

Answer 6

controls speech production

Question 7

primary somatosensory cortex

Answer 7

identifies the locations where the body is being stimulated

Question 8

somatosensory association cortex

Answer 8

integrates information from the somatosensory cortex

Question 9

visual area

Answer 9

receives visual stimuli

Question 10

auditory area

Answer 10

receives auditory stimuli

Question 11

olfactory area

Answer 11

receives smell stimuli

Question 12

prefrontal cortex

Answer 12

logos, ethos, pathos; logic, intellect, learning, planning, empathy, etc.

Question 13

general interpretation area

Answer 13

receives all sensory information and integrates into a single thought

Question 14

cerebral white matter

Answer 14

communication between cerebrum and CNS

Question 15

commissural fibers

Answer 15

form tracts connecting corresponding gray matter in both hemispheres

Question 16

corpus callosum

Answer 16

largest commisssure

Question 17

association fibers

Answer 17

tracts connecting different parts of same hemisphere

Question 18

projection fibers

Answer 18

connect cerebrum to lower brain and spinal cord

Question 19

basal nuclei

Answer 19

deep gray matter, subconscious muscle movement

Question 20

thalamas

Answer 20

sorting sensory information and transmitting stuff

Question 21

hypothalamas

Answer 21

regulation of hunger, thirst, sleep, temperature, emotional response

Question 22

pituitary gland

Answer 22

part of the endocrine system that release hormones

Question 23

infundibulum

Answer 23

connects hypothalamic tissue to pituitary gland

Question 24

mammillary bodies

Answer 24

controls motor reflexes associated with eating

Question 25

pineal gland

Answer 25

secretes melatonin

Question 26

choroid plexus

Answer 26

produces cerebrospinal fluid

Question 27

cerebellum

Answer 27

processes information from cerebrum and instructions for motor centers

Question 28

arbor vitae

Answer 28

white matter, connects cerebellar cortex to cerebellar peduncles

Question 29

cerebellar peduncles

Answer 29

contains tracts connecting to brain stem

Question 30

brain stem

Answer 30

produces rigid, automatic behaviors

Question 31

mesencephalon (midbrain)

Answer 31

pain suppression, tracking visual movements, startle response

Question 32

corpora quadrigemina

Answer 32

largest nucleus of white matter in midbrain

Question 33

superior colliculi

Answer 33

coordinates head and eye movement

Question 34

inferior colliculi

Answer 34

reflexes to sound

Question 35

cerebral peduncles

Answer 35

connects cerebral cortex to spinal cord and cerebellum

Question 36

substantia nigra

Answer 36

releasing dopamine

Question 37

pons

Answer 37

relay sensory/motor information, regulates respiritation

Question 38

medulla oblongata

Answer 38

regulates heart rate, blood vessels, respiratory rate

Question 39

decussation of the pyramids

Answer 39

location where left and right nerve fibers cross over

Question 40

vestibular nuclei

Answer 40

equilibrium and balance

Question 41

limbic system

Answer 41

control emotions, facilitating memory processing

Question 42

reticular formation

Answer 42

automatic and reflexive activity (filters signals, cardiac and eye movements)

Question 43

meninges

Answer 43

connective tissue membranes protects CNS

Question 44

dura mater

Answer 44

tough outmost meninx covering brain

Question 45

arachnoid mater

Answer 45

loose middle meninx

Question 46

pia mater

Answer 46

connective tissue with blood vessels, clings tightly to brain

Question 47

cerebrospinal fluid

Answer 47

cushions, provides nutrients, removes waste

Question 48

blood-brain barrier

Answer 48

nutrients go in, toxins stay out

Question 49

epidural space

Answer 49

between vertebral column and dura mater, support and protection