Sensory, nervous, and endocrine disorders- chapter 17

Question 1

sclera

Answer 1

outside, protective shell

Question 2

cornea

Answer 2

protect layer over lens

Question 3

uvea

Answer 3

choroid (surround entire eye)
ciliary body (secrete liquid, aqueous filter
iris (dilate/ constrict to how much light enters eye)
retina- picks up on photons- nervous signal

Question 4

myopia

Answer 4

nearsighted, cant see far, can see up close

Question 5

hyperopia

Answer 5

farsighted, see far, cant see up close

Question 6

presbyopia

Answer 6

focusing difficulty

Question 7

astigmatism

Answer 7

unequal cornea lens curvature

Question 8

Cataract

Answer 8

clouding of the lens

Question 9

Cataract predisposing factors

Answer 9

result of aging over 70
injury to lens
genetic defect
bacterial/ viral infections

Question 10

cataract symptoms

Answer 10

blurring and loss of vision

halos around light

Question 11

cataract prevention

Answer 11

prepuberfal vaccination for rubella

eye safety

Question 12

cataract treatment

Answer 12

surgery

Question 13

glaucoma

Answer 13

damage to optic nerve due to increase pressure in eye
starts in ciliary body, pushed on aqueous humor
heart health, diabetes
too much fluid accumulation with in the eye

Question 14

glaucoma predisposing

Answer 14

inherited

result of other eye disease

Question 15

glaucoma symtoms

Answer 15

asymptomatic initially
mild aching
halos around lights
loss of peripheral lights

Question 16

glaucoma prevention

Answer 16

regular eye examination

Question 17

glaucoma treatment

Answer 17

drugs, eye drops

Question 18

Hearing loss predisposing factors

conductive

Answer 18

conductive- 
chronic middle ear infection
cerumen blocking outer ear canal
stapes loss of mobility
eardrum damage (air pressure)
perforated eardrum

Question 19

Hearing loss predisposing factors sensorineural

Answer 19

developing fetus damage or birth injury 
extended exposure to loud noise
steptomyocin
viral infection
tumor
degeneration

Question 20

Hearing loss symptoms

Answer 20

children not turn head to sounds
ringing in ears (tinnitus)
sounds become quieter
certain letters cannot be heard (s, f, z)

Question 21

Hearing loss prevention

Answer 21

avoid loud noise
wear protective devices
periodic hearing tests

Question 22

Hearing loss treatments

Answer 22

depends on underlying cause
operation
self healing
hearing aids

Question 23

Meniere’s Disease predisposing factors

Answer 23

mostly unknown, anatamical abnormality, heredity

immunologic, viral, vascular, metabolic, psychological factors

Question 24

Meineres disease prevention

Answer 24

Unknown

Reduce water retention and fluid secretion

Question 24

Meniere’s Disease symptoms

Answer 24

severe tinnitus and dizziness

nausea, vomiting, sweating, ear pressure or pain

Question 25

Meineres treatment

Answer 25

Atropine- diuretic so water is not retained
Vasodilator
Salt restriction
Antihistamines

Question 26

Cerebral palsy

Answer 26

Three main types
Spastic
Athetoid
Ataxic

Question 27

Cerebral palsy predisposing factors

Answer 27

Pregnancy condition resulting in brain damage
Reduced oxygen supply
Infant or childhood head trauma, brain infection or brain tumor

Question 28

Cerebral palsy symptoms spastic

Answer 28

70 percent
Excessive muscle contractions
Muscle weakness
Undeveloped body parts 
Walking on toes with scissors like movements

Question 29

Cerebral palsy symptoms athetoid

Answer 29

20 percent
Constant difficulty controlling arm, leg and Facial muscles
Can be relieved with sleep and learn to control muscle movements

Question 30

Cerebral palsy symptoms ataxic

Answer 30

Difficulty with balance

Fall frequently

Question 31

Cerebral palsy symptoms

Answer 31

Mental retardation
Speech difficulty
Seizure disorder

Question 32

Cerebral palsy primary prevention

Answer 32

Careful monitoring of mother during pregnancy

Proper precautions when using forepts and anesthesia during childbirth

Question 33

Cerebral palsy secondary prevention

Answer 33

Assessment and observations of infant an

Routine are ending at six months

Question 34

Cerebral palsy treatment

Answer 34

No cure
Anticonvulsants 
Braces
Exercises
Speech therapy