Special Senses

Question 1

Smell is also called

Answer 1

Olfactory

Question 2

How many olfactory neurons are located in the olfactory epithelium

Answer 2

10 million

Question 3

The olfactory pathway terminates in the olfactory cortex of the frontal or

Answer 3

Temporal lobe

Question 4

The projections on the surface of the tongue are called

Answer 4

Papilla

Question 5

Name sensory cells that are continuously replaced

Answer 5

Taste cells
Olfactory cells

Question 6

What’s the normal life span of taste cells

Answer 6

10 days

Question 7

What nerves transmit taste sensation

Answer 7

CN X vagus
CN IX glossopharyneal
CN VII Facial

Question 8

The limbic and hypothalamus are considered…..

Answer 8

Secondary olfactory areas

Question 9

Four major types of papillae

Answer 9

Filiform
Val late
Foliage
Fungiform

Question 10

Most numerous papillae on the tongue but has no taste buds
Provides rough surface on the tongue allowing for manipulation of food

Answer 10

Filiform

Question 11

Which cell in a taste bud is a sensory cell

Answer 11

Gustatory cells

Question 12

Non sensory cells

Answer 12

Basal and supporting cells

Question 13

Accessory eye structures

Answer 13

Conjunctiva
Lacrimal apparatus

Question 14

Which nerve carries taste sensation from the epiglottis

Answer 14

CN X vagus nerve

Question 15

Taste sensations are carried by three cranial nerves

Answer 15

Facial nerve CN VII
Glossopharynegeal nerve CN IX
Vagus nerve CN X

Question 16

The central olfactory cortex areas are located in the

Answer 16

Temporal and frontal lobes

Question 17

Conjunctiva

Answer 17

Mucus membrane protecting inner surface of eyelid and anterior surface of sclera

Question 18

Lacrimal apparatus

Answer 18

Protect and lubricates the eyes through tears

Question 19

Middle layer of eyeball wall

Answer 19

Vascular tunic

Question 20

Palpebrae aka

Answer 20

Eyelids

Question 21

Outer layer of the eyeball is

Answer 21

Fibrous tunic

Question 22

White outer layer that protects internal eye structures, maintain eye shape, and provide attachment point for the extrinsic muscles of the eye

Answer 22

Sclera

Question 23

Eyeball tunic layer order inner to outer

Answer 23

Nervous tunic
Vascular tunic
Fibrous tunic

Question 24

Fibrous tunic

Answer 24

Sclera and cornea

Question 25

Vascular tunic

Answer 25

Choroid and ciliary body

Question 26

Nervous tunic

Answer 26

Retina

Question 27

Which eye structure control pupil size

Answer 27

Iris

Question 28

Avascular transparent structure that refracts light as it enters the eye

Answer 28

Cornea

Question 29

Retina receptor cells

Answer 29

Cones and rods

Question 30

Portion of retina with the greatest visual acuity is called

Answer 30

Fovea centralis

Question 31

Optic disc doesn’t contain photoreceptors and doesn’t respond to light

Answer 31

Blind spot

Question 32

Increased intraocular pressure

Answer 32

Glaucoma

Question 33

Nerve and blood cells enter and exit the retina at the

Answer 33

Optic disc

Question 34

Jelly like substance found in the vitreous chamber of the eye

Answer 34

Vitreous humor

Question 35

Transparent biconcave eye structure

Answer 35

Lens

Question 36

Anterior chamber

Answer 36

Between cornea and iris

Question 37

Posterior chamber

Answer 37

Between iris and lens

Question 38

Vitreous chamber

Answer 38

Mostly surrounded by the retina

Question 39

Bending of light

Answer 39

Refraction

Question 40

Lens structure

Answer 40

Transparent and biconvex

Question 41

Near vision lens are

Answer 41

Rounded

Question 42

Distant vision lens are

Answer 42

Flattened

Question 43

At focal point

Answer 43

No image forms

Question 44

Ability to focus an image on the retina so that it’s clear

Answer 44

Visual acuity

Question 45

What is focal point

Answer 45

The point where light rays cross after passing through a concave lens

Question 46

Outermost cells of neural layer of the retina are

Answer 46

Ganglion cells

Question 47

In distant vision the lens is

Answer 47

Flatter than in near vision

Question 48

Action potential passage towards optic nerve

Answer 48

Photoreceptor Bipolar cell Ganglion cell

Question 49

Photoreceptor cells responsible for color vision and visual acuity

Answer 49

Cone cells

Question 50

Relaxed ciliary muscles lens are

Answer 50

More flat

Question 51

Occipital lobe is the location of the

Answer 51

Visual cortex

Question 52

Inner ear structures

Answer 52

Semicircular canals Vestibule Cochlea

Question 53

Separate external ear from middle ear

Answer 53

Tympanic membrane

Question 54

External ear structure

Answer 54

External auditory canal Auricle

Question 55

During light conditions, rod function

Answer 55

Decreases

Question 56

Neuronal pathways for hearing

Answer 56

Cochlear ganglion Medial geniculate nucleus of the thalamus Cochlear nucleus in medulla oblongata

Question 57

Cochlear duct

Answer 57

Between vestibular membranes and basilar membrane

Question 58

Scala tympani

Answer 58

Below the spiral lamina and basilar membrane

Question 59

Scala vestibuli

Answer 59

Above the spiral lamina and vestibular membrane

Question 60

Neuronal pathway from cochlear nerve to cerebral cortex

Answer 60

Cochlear ganglion Cochlear nucleus in medulla oblongata Inferior colliculus Medial geniculate nucleus of the thalamus Auditory cortex of the temporal lobe

Question 61

Neuronal pathway for balance

Answer 61

Vestibular nucleus Thalamus Vestibulocochlear nerve