Anatomy Ch 11 Nervous System

Front 1

The area of sharpest vision in the retina is known as the _________.

Back 1

fovea centralis

Front 2

The elevations or folds on the surface of the cerebrum are called:

Back 2

gyri

Front 3

A disorder in the brain in which certain parts of the brain are overactive, producing convulsive seizures and possible loss of conciousness.

Back 3

epilepsy

Front 4

The ear canal os lined with hairs and modified sebacous glands called ____ glands, which produce earwax.

Back 4

ceruminous

Front 5

the ability of the eye to see distant objects but not close ones is known as farsightedness or _____.

Back 5

hyperopia

Front 6

an inflammation of brain tissue usually caused by a virus transmitted by the bite of a mosquito

Back 6

encephalitis

Front 7

inflammation of the meninges caused by bacterial infection or viral infection that results in headache, ever and a stiff neck

Back 7

meningitis

Front 8

the white, outermost layer of the eyeball composed of tough connective tissue

Back 8

sclera

Front 9

the innermost layer of the eye

Back 9

retina

Front 10

the thin delicate silvery gray membrane that seperates the external ear canal from the middle ear is known as

Back 10

tympanic membrane or eardrum

Front 11

A deep bridge of nerve fiber known as the ____ ____ connects the two cerebral hemispheres

Back 11

corpus callosum

Front 12

a condition caused by excessive pressure buildup in the aqueous humor, which can constrict blood vessels entering the eye.

Back 12

glaucoma

Front 13

second largest portion of the brain. functions as a reflex center in coordinating complex skeletal muscular movements maintaining proper body posture and keeping body balanced.

Back 13

cerebellum

Front 14

disease characterized by tremors of the hand when resting and a slow shuffling walk with rigidity of muscular movements

Back 14

Parkinson's disease

Front 15

bridge that connects the spinal cord with the brain and parts of the brain with each other

Back 15

pons varolii

Front 16

colored part of the eye

Back 16

iris

Front 17

part of the midbrian that is a reflex center and controls movments of head and eyeballs in response to visual stimuli; and the head and trunk in response to auditory stimuli

Back 17

dorsal tectum

Front 18

condition that is a normal part of aging, commonly occuring during the 40's resultig in the ablility of the eye to accomidate for near vision

Back 18

presbyopia

Front 19

division of the nervous system that prepares the body for stressful situations that require energy expenditure, such as increasing heartbeat and breathing rates.

Back 19

sympathetic

Front 20

blind spot of the eye

Back 20

optic disk

Front 21

prominent fissuer that separates the cerebrum into righ and left hemispheres

Back 21

longitudinal fissure

Front 22

common ear infection occurring in young children characterized by fever, irritability, and a red, inflamed eardrum

Back 22

otitus media

Front 23

area of retina where nerve fibers leave the eye

Back 23

optic disk

Front 24

fills posterior part of the eye and maintains ocular pressure, refracts or bends light, and holds the retina lens in position

Back 24

vitreous humor

Front 25

cavities within the brain that connect with each other, with the subarachnoid space of the meninges, and with the central canal of the spinal cord are known as

Back 25

ventricles

Front 26

condition that affects muscles of the jaws, locking them into a closed position

Back 26

tetanus

Front 27

the ability to see close objects but not distant ones, also called nearsightedness

Back 27

myopia

Front 28

another name for cerebrovascular accident

Back 28

stroke

Front 29

disease that produces defective muscle coordination

Back 29

cerebral palsy

Front 30

disease that causes destruction of the retina

Back 30

glaucoma

Front 31

part of the ear allowing for pressure equalization

Back 31

eustachian tube

Front 32

night blindness can be caused by

Back 32

deficiency of vitamin A

Front 33

ability to see color is due to

Back 33

cones

Front 34

cells of the retina are __polar

Back 34

bipolar

Front 35

rhodopsin is found in the

Back 35

rods

Front 36

the actual taste function is found on the

Back 36

taste hairs

Front 37

chemoreceptors are used in the sense of

Back 37

smell

Front 38

number of cranial nerves

Back 38

24 (12 pairs)

Front 39

neurotransmitter associated with the parasympathetic nervous system

Back 39

acetylcholine

Front 40

which lobe of the cerebrum evaluates hearing input

Back 40

temporal

Front 41

which lobe of the cerebrum is involved in visual input?

Back 41

occipital

Front 42

which lobe of the cerebrum is involved in evaluating sensory information

Back 42

parietal

Front 43

which lobe of the cerebrum controls moods, aggression and motivation?

Back 43

frontal

Front 44

ventral cerebral peduncles are contained in the

Back 44

midbrain

Front 45

the foramen of monroe connects

Back 45

ventricles

Front 46

olfactory (I)

Back 46

sensory: smell

Front 47

optic (II)

Back 47

sensory: vision

Front 48

oculomotor (III)

Back 48

motor: movement of the eyeball, regulation of the size of the pupil

Front 49

trochlear (IV)

Back 49

motor: eye movement

Front 50

trigeminal (V)

Back 50

sensory: sensations of head and face, muscle sense
motor: mastication
NOTE: divided into 3 branches: opthalmic branch, maxillary branch, and mandibular branch

Front 51

abducens (VI)

Back 51

motor: movement of the eyeball, particularly abduction

Front 52

facial (VII)

Back 52

sensory: taste
motor: facial expressions, secretions of saliva

Front 53

vestibulocochlear (VIII)

Back 53

sensory: balance, hearing
NOTE: divided into 2 branches: vestibular branch responsible for balance and the cochlear branch responsible for hearing

Front 54

glossopharyngeal (IX)

Back 54

sensory: taste
motor: swallowing, secretion of saliva

Front 55

vagus (X)

Back 55

sensory: sensation of organs supplied
motor: movement of organs supplied
NOTE: supplies the head, pharnyx, bronchus, esophagus, liver and stomach

Front 56

accessory (XI)

Back 56

motor: shoulder movement, turning of head, voice production

Front 57

hypoglossal (XII)

Back 57

motor: tongue movement