Special Sences

Question 1

Sensorineural deafness

Answer 1

Due to neurological damage

Question 2

Conduction deafness

Answer 2

Due to damage in done conduction system

Question 3

Nystagmus

Answer 3

Involuntary movement in eyes in one direction followed by rapid eye movement in the opposite direction

Question 4

Ceruminous gland

Answer 4

Found in auditory gland and produces cerumen which is sticky and repels insects

Question 5

Cerumen moves by

Answer 5

Jaw movement

Question 6

Otitis externa

Answer 6

Swelling of external eat

Question 7

Otitis media

Answer 7

Inflammation in tympanic cavity

Question 8

Muscles tighten to

Answer 8

Dampen volume in the ear to prevent damage to inner ear

Question 9

Osseous labyrinth

Answer 9

Consist of semi circular canals, vestibule, cochlea and is filled with perilymph

Question 10

Membranous labyrinth

Answer 10

Filled with endolymph and is k+ rich

Question 11

Which cells send the most info to the brain

Answer 11

Inner hair cells

Question 12

Frequency

Answer 12

Number of waves over time

Question 13

Pitch

Answer 13

Frequency

Question 14

Tone

Answer 14

Pure sound with a single frequency

Question 15

Loudness

Answer 15

Measured in db, 0db is the quietest sound audible to the human ear

Question 16

Hz range humans are sensitive to

Answer 16

1500-4000

Question 17

Shorter fibers on basilar membrane are sensitive to

Answer 17

Higher frequencies

Question 18

Longer fibers on basilar membrane are sensitive to

Answer 18

Lower frequencies

Question 19

Presbycusis

Answer 19

Atrophy to spinal organ of corti leading to loss of ability to hear higher tones

Question 20

Acuity test

Answer 20

Tuning fork moving further and further from an ear until no longer audible

Question 21

Sound localization test

Answer 21

Ability to identify sound from right and left and up and down, can’t identify right and left with one ear closed

Question 22

Frequency range of hearing

Answer 22

100 hz, 1000 hz, 4000 hz

Question 23

Rinne test

Answer 23

Tuning fork on mastoid process, test bone conduction

Question 24

Weber test

Answer 24

Tuning fork on the top of head, test bone conduction

Question 25

Vestibular apparatus

Answer 25

Equilibrium apparatus of inner ear, causes motion sickness

Question 26

Ampulla

Answer 26

Connects to utricle of vestibule

Question 27

Macula of utricle

Answer 27

Horizontal

Question 28

Macula of saccule

Answer 28

Vertical

Question 29

Otoliths

Answer 29

Calcium carbonate weights on membrane which are affected by gravity

Question 30

Vertigo

Answer 30

Sensation of dizziness and rotation when none is present

Question 31

Olfaction and gestation receptors are known as

Answer 31

Chemoreceptors

Question 32

Taste responds to

Answer 32

Chemicals in saliva

Question 33

Smell responds to

Answer 33

Chemicals in the fluid of the nasal membrane

Question 34

Olfactory adaptation

Answer 34

Decrease to response to sustained scent

Question 35

Taste buds are found in

Answer 35

Tongue, soft palate, cheeks, pharynx, epiglottis

Question 36

Taste bud types

Answer 36

Fungiform - tip of tongue, foliate - back and to the side of tongue, circumvallate - front of the end of tongue

Question 37

Sweet

Answer 37

Encourage consumption of sugar, minerals and some amino acids

Question 38

Sour

Answer 38

Encourages consumption of vitamin C

Question 39

Salty

Answer 39

Encourages the consumption of na and cl

Question 40

Umami

Answer 40

Tangy taste of cheese and beef, encourages the consumption of amino acids

Question 41

Bitter

Answer 41

Discourages the consumption of poison and spoiled food

Question 42

Partial adaptation occurs

Answer 42

After 3-5 seconds

Question 43

Complete adaptation occurs

Answer 43

1 to 5 minutes