Question 1

Which of the following is correctly matched?

Accepted Answer

A)  sclera - ciliary body 
B)  iris - sphincter pupillae 
C)  retina - canal of Schlemm 
D)  vitreous humor - anterior chamber 
E)  aqueous humor - vitreous chamber 
A)  sclera - ciliary body 
B)  iris - sphincter pupillae 
C)  retina - canal of Schlemm 
D)  vitreous humor - anterior chamber 
E)  aqueous humor - vitreous chamber

Question 2

Albinism in which there is an absence of melanin pigment would affect the individual's ability to

Accepted Answer

A)  discern colors. 
B)  have high levels of visual acuity and prevent scattering of light inside the eye. 
C)  protect the optic nerves from damage. 
D)  remove wastes from the eye. 
E)  see at all, as it always results in blindness. 
A)  discern colors. 
B)  have high levels of visual acuity and prevent scattering of light inside the eye. 
C)  protect the optic nerves from damage. 
D)  remove wastes from the eye. 
E)  see at all, as it always results in blindness.

Question 3

What is a tastant?

Accepted Answer

A)  A cell found within a taste bud that depolarizes when stimulated. 
B)  A structure found within the inner ear that translates vibration into sound. 
C)  A supporting cell in the olfactory epithelium that connects the sensations of taste and olfaction. 
D)  A substance dissolved in saliva that causes taste cells to depolarize. 
A)  A cell found within a taste bud that depolarizes when stimulated. 
B)  A structure found within the inner ear that translates vibration into sound. 
C)  A supporting cell in the olfactory epithelium that connects the sensations of taste and olfaction. 
D)  A substance dissolved in saliva that causes taste cells to depolarize.

Question 4

The area of greatest visual acuity is the

Accepted Answer

A)  lens. 
B)  fovea centralis. 
C)  optic disc. 
D)  posterior chamber. 
E)  blind spot. 
A)  lens. 
B)  fovea centralis. 
C)  optic disc. 
D)  posterior chamber. 
E)  blind spot.

Question 5

In bright sunlight, the pupil of your eye constricts and contracts the

Accepted Answer

A)  ciliary muscles. 
B)  dilator pupillae. 
C)  sphincter pupillae. 
D)  suspensory ligaments. 
E)  ciliary ring. 
A)  ciliary muscles. 
B)  dilator pupillae. 
C)  sphincter pupillae. 
D)  suspensory ligaments. 
E)  ciliary ring.

Question 6

The lens

Accepted Answer

A)  is biconcave. 
B)  focuses light on the retina. 
C)  floats in the vitreous humor. 
D)  is attached to the retina by suspensory ligaments. 
E)  is normally opaque. 
A)  is biconcave. 
B)  focuses light on the retina. 
C)  floats in the vitreous humor. 
D)  is attached to the retina by suspensory ligaments. 
E)  is normally opaque.

Question 7

Damage to the vestibular branch of the vestibulocochlear nerve would result in loss of

Accepted Answer

A)  taste. 
B)  sight. 
C)  hearing. 
D)  balance. 
E)  smell. 
A)  taste. 
B)  sight. 
C)  hearing. 
D)  balance. 
E)  smell.

Question 8

Match the structure with the appropriate description.
-inner ear

Accepted Answer

A) eardrum 
B) part of the ear that contains the organ of hearing 
C) the pinna and external auditory meatus are part of this 
D) fleshy portion of the external ear 
E) air-filled space within the temporal bone 
A) eardrum 
B) part of the ear that contains the organ of hearing 
C) the pinna and external auditory meatus are part of this 
D) fleshy portion of the external ear 
E) air-filled space within the temporal bone

Question 9

Match the structure with the appropriate description.
-external ear

Accepted Answer

A) eardrum 
B) part of the ear that contains the organ of hearing 
C) the pinna and external auditory meatus are part of this 
D) fleshy portion of the external ear 
E) air-filled space within the temporal bone 
A) eardrum 
B) part of the ear that contains the organ of hearing 
C) the pinna and external auditory meatus are part of this 
D) fleshy portion of the external ear 
E) air-filled space within the temporal bone

Question 10

Increased fluid accumulation in the cornea would result in

Accepted Answer

A)  a scattering of light rays. 
B)  loss of pigment in the eye. 
C)  a decrease in the strength of the tissue. 
D)  an increase in the ability to transmit light to the retina. 
E)  blockage of light rays. 
A)  a scattering of light rays. 
B)  loss of pigment in the eye. 
C)  a decrease in the strength of the tissue. 
D)  an increase in the ability to transmit light to the retina. 
E)  blockage of light rays.

Question 11

Match the structure with the appropriate description.
-bulbar conjunctiva

Accepted Answer

A) the angle where the eyelids join 
B) the space between the two eyelids 
C) another name for the eyelids 
D) the membrane that covers the inner surface of the eyelids 
E) the membrane that covers the anterior sclera of the eye 
A) the angle where the eyelids join 
B) the space between the two eyelids 
C) another name for the eyelids 
D) the membrane that covers the inner surface of the eyelids 
E) the membrane that covers the anterior sclera of the eye

Question 12

Match the structure with the appropriate description.
-optic foramen

Accepted Answer

A) the area that can be seen with the eyes open 
B) opening in the orbit through which the optic nerve passes 
C) the cerebral area that integrates messages from retina 
D) area where medial ganglion cell axons cross over 
E) the route of the ganglionic axons beyond the chiasma 
A) the area that can be seen with the eyes open 
B) opening in the orbit through which the optic nerve passes 
C) the cerebral area that integrates messages from retina 
D) area where medial ganglion cell axons cross over 
E) the route of the ganglionic axons beyond the chiasma

Question 13

Which of the following special senses is relayed directly to the cerebral cortex without going to the thalamus?

Accepted Answer

A)  smell 
B)  taste 
C)  sight 
D)  sound 
E)  touch 
A)  smell 
B)  taste 
C)  sight 
D)  sound 
E)  touch

Question 14

Match the structure with the appropriate description.
-cones

Accepted Answer

A) photoreceptor cells that function in black and white vision 
B) photoreceptor cells that function in color vision 
C) the opening in the iris 
D) the innermost tunic of the eye 
E) a pigmented contractile structure 
A) photoreceptor cells that function in black and white vision 
B) photoreceptor cells that function in color vision 
C) the opening in the iris 
D) the innermost tunic of the eye 
E) a pigmented contractile structure

Question 15

The correct pathway for impulses leaving the retina is

Accepted Answer

A)  photoreceptors, ganglion cells, bipolar cells, and optic nerve. 
B)  photoreceptors, bipolar cells, ganglion cells, and optic nerve. 
C)  photoreceptors, bipolar cells, optic nerve, and ganglion cells. 
D)  photoreceptors, ganglion cells, optic nerve, and bipolar cells. 
E)  ganglion cells, bipolar cells, photoreceptors, and optic nerve. 
A)  photoreceptors, ganglion cells, bipolar cells, and optic nerve. 
B)  photoreceptors, bipolar cells, ganglion cells, and optic nerve. 
C)  photoreceptors, bipolar cells, optic nerve, and ganglion cells. 
D)  photoreceptors, ganglion cells, optic nerve, and bipolar cells. 
E)  ganglion cells, bipolar cells, photoreceptors, and optic nerve.

Question 16

Rhodopsin is found in the

Accepted Answer

A)  rods. 
B)  cones. 
C)  choroid. 
D)  pigmented retina. 
E)  amacrine cells. 
A)  rods. 
B)  cones. 
C)  choroid. 
D)  pigmented retina. 
E)  amacrine cells.

Question 17

What is the near point of vision?

Accepted Answer

A)  The point at which a viewed image is not inverted on the retina. 
B)  The region of the electromagnetic spectrum which can be detected by the rods and cones. 
C)  The region of the macula in which the rods and cones are most concentrated. 
D)  The closest point at which an object can be held and seen without appearing blurred. 
A)  The point at which a viewed image is not inverted on the retina. 
B)  The region of the electromagnetic spectrum which can be detected by the rods and cones. 
C)  The region of the macula in which the rods and cones are most concentrated. 
D)  The closest point at which an object can be held and seen without appearing blurred.

Question 18

The transparent mucous membrane that covers the anterior white surface of the eye is the

Accepted Answer

A)  conjunctival fornix. 
B)  surface conjunctiva. 
C)  bulbar conjunctiva. 
D)  palpebral conjunctiva. 
E)  sclera. 
A)  conjunctival fornix. 
B)  surface conjunctiva. 
C)  bulbar conjunctiva. 
D)  palpebral conjunctiva. 
E)  sclera.

Exam 15: The Special Senses

Which of the following is correctly matched?

Albinism in which there is an absence of melanin pigment would affect the individual's ability to

What is a tastant?

The area of greatest visual acuity is the

In bright sunlight, the pupil of your eye constricts and contracts the

The lens

Damage to the vestibular branch of the vestibulocochlear nerve would result in loss of

Match the structure with the appropriate description. -inner ear

Match the structure with the appropriate description. -external ear

Increased fluid accumulation in the cornea would result in

Match the structure with the appropriate description. -bulbar conjunctiva

Match the structure with the appropriate description. -optic foramen

Which of the following special senses is relayed directly to the cerebral cortex without going to the thalamus?

Match the structure with the appropriate description. -cones

The correct pathway for impulses leaving the retina is

Rhodopsin is found in the

What is the near point of vision?

The transparent mucous membrane that covers the anterior white surface of the eye is the

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