Deck 16: The Sensory System

Question 1

Strabismus is a type of astigmatism.

Answer 1

False

Question 2

Taste buds contain receptor cells.

Answer 2

True

Question 3

The ciliary muscles are used for focusing the eyes.

Answer 3

True

Question 4

Most people can perceive sounds of 20dB.

Question 5

Most ophthalmologists treat both the eyes and ears.

Question 6

The rods are the sensors of colors.

Question 7

Olfactory organs are part of the skin.

Question 8

Hyperopia is nearsightedness.

Question 9

Keratitis is an inflammation of a tear duct.

Question 10

The unit of refracting power needed in a lens is a diopter.

Question 11

There are many more cones than rods in the eye.

Question 12

Tonometry is the measure of pressure within the ear.

Question 13

The auricle is in the middle ear.

Question 14

The area of sharpest vision in the eye is the fovea centralis.

Question 15

The eyes contain about 20 percent of all the receptors in the human body.

Question 16

The blind spot is on the cornea.

Question 17

Deafness may be partial hearing loss.

Question 18

Retinitis pigmentosa is an inherited disorder.

Question 19

The ear is an organ that helps maintain balance.

Question 20

Tinnitus is bleeding in the ear.

Question 21

The light-sensitive membrane of the eye is the retina.

Question 22

Refraction takes place in the cornea.

Question 23

The area of sharpest vision is called the fovea centralis.

Question 24

The black,circular center of the eye is the pupil.

Question 25

The lacrimal glands secrete tears.

Question 26

Sensory organs are also known as sensory cells.

Question 27

The eyeball is supported by the ciliary body.

Question 28

Black and white shades are sensed by rods.

Question 29

The anterior chamber of the eyeball lies between the cornea and the lens.

Question 30

The posterior chamber of the eyeball lies between the lens and the iris.

Question 31

The posterior surface of the eyelid is lined with the choroid.

Question 32

Color tones are sensed by color rods.

Question 33

The nervous tissue in the retina is called the macula lutea.

Question 34

The shape of the lens is changed in a process called refraction.

Question 35

The posterior section of the eye is the sclera.

Question 36

The process of bending light rays is called equilibrium.

Question 37

The vitreous chamber is filled with aqueous fluid.

Question 38

The tympanic membrane is also known as the eardrum.

Question 39

The external ear has a structure called an auricle or malleus.

Question 40

The outer layer of the eye is covered by the eyelid.

Question 41

Cloudiness of the lens of the eye is a scotoma.

Question 42

Deviation of one eye outward is endotropia.

Question 43

The uvea includes

A)the retina.
B)the iris.
C)rods.
D)cones.

Question 44

Nearsightedness is also known as presbyopia.

Question 45

A medical specialist who treats the eyes is an ophthalmologist.

Question 46

Farsightedness is also known as hyperopia.

Question 47

Deviation of one eye inward is esotropia.

Question 48

Endolymph is inside the membranous perilymph.

Question 49

A nonmedical hearing specialist is an otologist.

Question 50

The inner ear contains the osseus labyrinth.

Question 51

A nonmedical vision specialist is an ophthalmologist.

Question 52

The olfactory organs control the sense of taste.

Question 53

The vestibule is between the semicircular canal and the cochlea.

Question 54

The stapes is shaped like a hammer.

Question 55

The cornea

A)has no blood supply.
B)is white.
C)is transparent.
D)has no blood supply and is transparent.

Question 56

Double vision is diplopia.

Question 57

Taste buds are contained within papillae.

Question 58

The malleus is shaped like an anvil.

Question 59

The incus is shaped like an anvil.

Question 60

The sensory system includes

A)sight.
B)touch.
C)hearing.
D)All of the choices are correct.

Question 61

Select the combining form that best matches the definition cornea.

A)blephar(o)
B)corne(o)
C)conjunctiv(o)
D)cycl(o)

Question 62

Select the combining form that best matches the definition mastoid process.

A)ir(o)
B)myring(o)
C)nas(o)
D)mastoid(o)

Question 63

Select the combining form that best matches the definition tears.

A)aur(o)
B)kerat(o)
C)dacry(o)
D)ocul(o)

Question 64

Select the combining form that best matches the definition pupil.

A)corne(o)
B)core(o)
C)cycl(o)
D)conjunctiv(o)

Question 65

Select the combining form that best matches the definition eardrum.

A)ossicul(o)
B)tympan(o)
C)phac(o)
D)sclera(o)

Question 66

Select the combining form that best matches the definition wax.

A)cochle(o)
B)cerumin(o)
C)cycl(o)
D)audi(o)

Question 67

Select the combining form that best matches the definition hearing.

A)mastoid(o)
B)myring(o)
C)aur(o)
D)nas(o)

Question 68

Select the combining form that best matches the definition iris.

A)ir(o)
B)kerat(o)
C)mastoid(o)
D)ocul(o)

Question 69

Select the combining form that best matches the definition eardrum.

A)aur(o)
B)myring(o)
C)dacry(o)
D)mastoid(o)

Question 70

Select the combining form that best matches the definition eye.

A)aur(o)
B)ir(o)
C)kerat(o)
D)ocul(o)

Question 71

Select the combining form that best matches the definition eyelid.

A)conjunctiv(o)
B)corne(o)
C)blephar(o)
D)cycl(o)

Question 72

Select the combining form that best matches the definition conjunctiva.

A)blephar(o)
B)cochle(o)
C)corne(o)
D)conjunctiv(o)

Question 73

Hearing can be damaged at or above

A)40dB.
B)60dB.
C)90dB.
D)130dB.

Question 74

An agent that causes the pupil to contract is a(n)

A)eye drop.
B)miotic.
C)mydriatic.
D)antiseptic.

Question 75

Select the combining form that best matches the definition eye.

A)ophthalm(o)
B)lacrim(o)
C)pupil(o)
D)retin(o)

Question 76

Select the combining form that best matches the definition ciliary body.

A)audi(o)
B)cochle(o)
C)core(o)
D)cycl(o)

Question 77

Select the combining form that best matches the definition nose.

A)aur(o)
B)nas(o)
C)myring(o)
D)ocul(o)

Question 78

Select the combining form that best matches the definition cochlea.

A)cochle(o)
B)core(o)
C)corne(o)
D)cycl(o)

Question 79

Select the combining form that best matches the definition cornea.

A)dacry(o)
B)ir(o)
C)kerat(o)
D)ocul(o)

Question 80

Select the combining form that best matches the definition hearing.

A)audi(o)
B)cerumin(o)
C)cochle(o)
D)core(o)