Special Senses Drills Multiple Choice

Question 1

Lacrimal glands are located on which surface of the eye?

Answer 1

Lateral

Question 2

Which of the external eye muscles is controlled by cranial nerve VI (abducens)?

Answer 2

Lateral rectus

Question 3

Tough, white connective tissue forms this portion of the fibrous layer of the eye.

Answer 3

Sclera

Question 4

The gland that produces tears in the eye is called the ___.

Answer 4

Lacrimal gland

Question 5

The pupil is an opening within the ___.

Answer 5

Iris

Question 6

Inflammation of the conjunctiva involves ___.

Answer 6

Delicate membrane lining the eyelids and covering the front of the eyeball

Question 7

Which region of the retina contains only cones and is the sharpest area of visual acuity?

Answer 7

Fovea centralis

Question 8

The transparent central anterior portion of the sclera through which light enters the eye is called ___.

Answer 8

Cornea

Question 9

The middle coat of the eyeball that contains pigment which prevents light from scattering in the eyeball is the ___.

Answer 9

Choroid

Question 10

Which layer of the eye contains rods and cones?

Answer 10

Retina

Question 11

The pigmented portion of the eye that has a rounded opening through which light passes is the ___.

Answer 11

Iris

Question 12

The three sets of color receptors within the retina are sensitive to wavelengths of visible light that are ___.

Answer 12

Blue, green, and red

Question 13

Which area of the retina lacks rods and cones and therefore does not detect images?

Answer 13

Optic disc

Question 14

The aqueous humor of the eye is reabsorbed into venous blood through the ___.

Answer 14

Canal of Schlemm

Question 15

Which one of the following is NOT true of color blindness?

Answer 15

It occurs most often in women

Question 16

The gel-like substance that reinforces the eyeball and prevents it from collapsing inward is the ___.

Answer 16

Vitreous humor

Question 17

What structure of the eye focuses light on the retina?

Answer 17

Lens

Question 18

The inability to see distant objects is termed “nearsighted” or ___.

Answer 18

Myopia

Question 19

Eyes suddenly exposed to bright light experience ___.

Answer 19

Photopupillary reflex

Question 20

Which one of the following correctly lists the order of the parts through which light passes as it enters the eye?

Answer 20

Cornea, aqueous humor, lens, vitreous humor

Question 21

Which of the following is NOT associated with the middle ear?

Answer 21

Auricle

Question 22

Sound waves entering the external auditory canal hit the eardrum, also known as the ___.

Answer 22

Tympanic membrane

Question 23

Hair cells that function as hearing receptors are located within the ___.

Answer 23

spiral organ of Corti

Question 24

The pathway of vibrations through the ossicles from the tympanic membrane, or eardrum, to the oval window is ___.

Answer 24

Malleus, incus, stapes

Question 25

Equilibrium receptors are located in the ___.

Answer 25

Inner ear

Question 26

An ear infection following an illness such as a cold can pass from the throat through the auditory tube to the ___.

Answer 26

Middle ear

Question 27

The auditory ossicle called the “anvil” is also called the ___.

Answer 27

Incus

Question 28

Our sense of static equilibrium is created by the ___.

Answer 28

Movement of otoliths along hair cells

Question 29

Dynamic equilibrium receptors are found in the ___.

Answer 29

Semicircular canals

Question 30

Hearing receptors within the spiral organ of Corti are called ___.

Answer 30

Hair cells

Question 31

Which cranial nerve transmits hearing and equilibrium information to the brain?

Answer 31

Vestibulocochlear nerve (VIII)

Question 32

Sensorineural deafness occurs when there is damage or degeneration of receptor cells of the ___.

Answer 32

Spiral organ of Corti or cochlear nerve

Question 33

Gustatory hairs are to taste as olfactory hairs are to ___.

Answer 33

Smell

Question 34

Which one of the following is NOT a primary taste sensation?

Answer 34

Pungent

Question 35

Which one of the following nerves serves the anterior tongue?

Answer 35

Facial

Question 36

Which one of the following cranial nerves is NOT involved in either taste or smell?

Answer 36

Vestibular

Question 37

Stimulation of sour receptors occurs in response to ___.

Answer 37

Lemons

Question 38

The congenital condition of “crossed eyes” is also known as ___.

Answer 38

Strabismus

Question 39

The fusion of ear bones is known as ___.

Answer 39

Otosclerosis

Question 40

The only special sense that is NOT fully functional at birth is ___.

Answer 40

Vision

Question 41

Where are the general senses located?

Answer 41

Skin

Question 42

What nerves carry information about the special senses to the CNS?

Answer 42

Cranial nerves only

Question 43

How is the sensation of taste affected by a drymouth?

Answer 43

Foods have a less intense taste when the mouth is dry

Question 44

Which extrinsic eye muscles move the eye inferiorly?

Answer 44

Superior oblique and inferior rectus

Question 45

What is the function of the lens?

Answer 45

The lens focuses light on the retina

Question 46

The ability of the lens to change its shape from flattened to round is known as ___.

Answer 46

Accommodation

Question 47

Twenty-year-old Leslie learned she is hyperopic after having her eyes examined. What best describes her eye condition?

Answer 47

Her eyeballs are too short

Question 48

Where does each half of the visual field get segregated so that it reaches the opposite hemisphere of the brain?

Answer 48

optic chiasma

Question 49

True or False: The highest concentration of taste buds is found in filiform papillae.

Answer 49

FALSE. Filiform papillae do not contain taste buds.

Question 50

True or False: The muscles of the iris and ciliary muscle are considered to be extrinsic eye muscles because they are voluntary.

Answer 50

FALSE. They are involuntary and are considered to be intrinsic eye muscles.