exam 3

Question 1

quadricep muscle; test lumbar L2, L3, L4 of spinal cord

Answer 1

patella ligament

Question 2

monosynaptic ipsilateral

Answer 2

patella ligament

Question 3

gyrus

Answer 3

elevated ridge

Question 4

sulcus

Answer 4

shallow groove

Question 5

fissure

Answer 5

deep groove

Question 6

3 meninges

Answer 6

dura matter (outermost)
arachnoid mater
pia mater

Question 7

olfactory nerve

Answer 7

smell

Question 8

optic nerve

Answer 8

sight

Question 9

oculomotor nerve

Answer 9

moves eyelid and eyeball and adjusts the pupil and lens of eye

Question 10

trochlear nerve

Answer 10

moves eyeballs

Question 11

trigeminal nerve

Answer 11

facial muscles include chewing (mastication)

Question 12

abducens nerve

Answer 12

moves eyeballs

Question 13

facial nerve

Answer 13

taste, tears, saliva, facial expressions

Question 14

cerebral hemispheres

Answer 14

left and right

Question 15

CNS

Answer 15

brain and spinal cord

Question 16

PNS

Answer 16

cranial and spinal nerves, ganglia, sensory receptors

Question 17

PNS divided into

Answer 17

sensory and motor

Question 18

motor portion of PNS

Answer 18

somatic and autonomic

Question 19

autonomic of PNS

Answer 19

sympathetic and parasympathetic

Question 20

pineal body

Answer 20

secretes hormone melatonin

Question 21

superior colliculi

Answer 21

visual reflexes

Question 22

inferior colliculi

Answer 22

auditory reflexes

Question 23

medulla oblongata

Answer 23

controls things we dont primarily control such as coughing, sneezing, blood pressure, blood vessel diameter, heart rate, breathing rate

Question 24

pons

Answer 24

bridge connecting medulla and mesencephalon; work together to breathe for us; nuclei responsible for sleeping/waking

Question 25

thalamus

Answer 25

gatekeeper; relays sensory information to cerebral cortex if necessary

Question 26

pineal body

Answer 26

releases melatonin; regulates cyclic events; endocrine structure

Question 27

hypothalamus

Answer 27

homeostasis; controls centers for thirst, rage, temp, hunger

Question 28

cerebellum

Answer 28

place in space info; controls unconscious coordination of skeletal muscle

Question 29

arbor vitae of cerebellum

Answer 29

white matter tracts in cerebellum; axons going up into cerebellum; tree of life

Question 30

prefrontal cortex

Answer 30

conscious, self-awareness, personality

Question 31

cortex

Answer 31

largest part of the human brain; associated with higher brain function such as thought or action

Question 32

left cerebral hemisphere

Answer 32

language and cognitive processing

Question 33

right cerebral hemisphere

Answer 33

creativity and expression

Question 34

longitudinal fissure

Answer 34

divide the left and right cerebral hemispheres

Question 35

central sulcus

Answer 35

separates the parietal lobe from the frontal lobe and also precentral and postcentral gyrus

Question 36

postcentral gyrus

Answer 36

location of primary somatosensory cortex; receptive area for sense of touch

Question 37

precentral gyrus

Answer 37

controls voluntary movements of skeletal muscles; cell bodies of pyramidal cell found here

Question 38

occipital lobe

Answer 38

visual processing center

Question 39

temporal lobe

Answer 39

primary auditory perception; hearing, smell taste

Question 40

olfactory bulb

Answer 40

process all odors

Question 41

olfactory tract

Answer 41

smell

Question 42

optic nerve

Answer 42

transfer visual info from retina to vision center of brain

Question 43

optic chiasma

Answer 43

where optic nerves cross to the opposite side of brain

Question 44

optic tract

Answer 44

extends from optic chiasma to thalamus; for visual awareness

Question 45

pituitary gland

Answer 45

center of endocrine system that secretes many hormones

Question 46

mammillary body

Answer 46

reflex center for swallowing, chewing, eating; eating behavior in animals; relay/reflex center for olfaction

Question 47

cerebral peduncles

Answer 47

conveys ascending and descending impulses to high or lower parts of the brain

Question 48

corpus callosum

Answer 48

connects 2 cerebral hemispheres

Question 49

lateral ventricle

Answer 49

receives CSF from choroid plexus; then fluid flows through interventricular foramen to 3rd ventricle

Question 50

choroid plexus

Answer 50

masses of blood capilliries in brain ventricles that produce CSF

Question 51

fornix

Answer 51

concerned with olfaction as well as limbic system

Question 52

septum pellucidum

Answer 52

separates lateral ventricles

Question 53

third ventricle

Answer 53

sends messages to and receives messages from the lateral ventricles and cerebral aqueduct

Question 54

cerebral aqueduct

Answer 54

connects third and fourth ventricle

Question 55

dura mater

Answer 55

thick outermost layer of meninges surrounding the brain and spinal cord

Question 56

arachnoid mater

Answer 56

delicate weblike layer; middle layer

Question 57

pia mater

Answer 57

thin delicate layer of meninges; innermost