Question 1

A person loses all vision in their left eye.One possible cause could be damage to the

Accepted Answer

A) optic chiasma. 
B) left optic tract. 
C) optic nerve in the left eye. 
D) right lateral geniculate nucleus. 
E) right visual cortex in the occipital lobe. 
A) optic chiasma. 
B) left optic tract. 
C) optic nerve in the left eye. 
D) right lateral geniculate nucleus. 
E) right visual cortex in the occipital lobe.

Question 2

Which of the following statements is NOT true of hyperopia?

Accepted Answer

A) corrected by "minus" lenses 
B) close objects are fuzzy 
C) eyeball is too short 
D) corrected by convex lenses 
E) image focused behind the retina 
A) corrected by "minus" lenses 
B) close objects are fuzzy 
C) eyeball is too short 
D) corrected by convex lenses 
E) image focused behind the retina

Question 3

Light and dark adaptation involves

Accepted Answer

A) pupillary reflexes. 
B) variations in rod and cone function. 
C) changes in the amount of available rhodopsin. 
D) pupillary reflexes and changes in the amount of available rhodopsin. 
E) pupillary reflexes,variations in rod and cone function and changes in the amount of available rhodopsin. 
A) pupillary reflexes. 
B) variations in rod and cone function. 
C) changes in the amount of available rhodopsin. 
D) pupillary reflexes and changes in the amount of available rhodopsin. 
E) pupillary reflexes,variations in rod and cone function and changes in the amount of available rhodopsin.

Question 4

As an object moves closer to the eye,

Accepted Answer

A) the lens flattens. 
B) the eyes rotate medially. 
C) the ciliary muscles relax. 
D) the diameter of the pupil increases. 
E) the eye blinks. 
A) the lens flattens. 
B) the eyes rotate medially. 
C) the ciliary muscles relax. 
D) the diameter of the pupil increases. 
E) the eye blinks.

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 newest taste to be described is

Accepted Answer

A) bitter. 
B) salty. 
C) sweet. 
D) umami. 
E) sour. 
A) bitter. 
B) salty. 
C) sweet. 
D) umami. 
E) sour.

Question 7

The position of the head with respect to gravity is determined by the

Accepted Answer

A) shift in fluid in the semicircular canals. 
B) movements of otoliths in response to gravity. 
C) movements of perilymph in the vestibular chamber. 
D) impulses transmitted from the macula of the semicircular canals. 
E) stimulation of the cochlear portion of the nerve. 
A) shift in fluid in the semicircular canals. 
B) movements of otoliths in response to gravity. 
C) movements of perilymph in the vestibular chamber. 
D) impulses transmitted from the macula of the semicircular canals. 
E) stimulation of the cochlear portion of the nerve.

Question 8

Which auditory ossicle is attached to the tympanic membrane?

Accepted Answer

A) labyrinth 
B) incas 
C) malleus 
D) stapes 
E) oval window 
A) labyrinth 
B) incas 
C) malleus 
D) stapes 
E) oval window

Question 9

Which of the following definitions best describes the timbre of sounds?

Accepted Answer

A) loudness 
B) amplitude 
C) wave frequency 
D) resonance quality 
E) pitch 
A) loudness 
B) amplitude 
C) wave frequency 
D) resonance quality 
E) pitch

Question 10

Match the structure with the appropriate description.
-tympanic membrane

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 11

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 12

Which of the following cranial nerves would cause a person discomfort when getting dental work done?

Accepted Answer

A) optic 
B) facial 
C) abducens 
D) trigeminal 
E) vagus 
A) optic 
B) facial 
C) abducens 
D) trigeminal 
E) vagus

Question 13

Match the structure with the appropriate description.
-membranous labyrinth

Accepted Answer

A) organ of hearing 
B) passageway from the outside to the eardrum 
C) interconnecting tunnels in the temporal bone 
D) tiny bones in the middle ear 
E) connecting chambers of inner ear filled with endolymph 
A) organ of hearing 
B) passageway from the outside to the eardrum 
C) interconnecting tunnels in the temporal bone 
D) tiny bones in the middle ear 
E) connecting chambers of inner ear filled with endolymph

Question 14

The contractile structure that surrounds the pupil is the

Accepted Answer

A) iris. 
B) ciliary ring. 
C) sclera. 
D) ciliary muscle. 
E) retina. 
A) iris. 
B) ciliary ring. 
C) sclera. 
D) ciliary muscle. 
E) retina.

Question 15

Cochlear neurons are stimulated by

Accepted Answer

A) vibrating the oval window. 
B) vibrations of the tectorial membrane. 
C) bending microvilli or stereocilia on the hair cells. 
D) movement of the otoliths in the endolymph. 
E) turning the spiral organ. 
A) vibrating the oval window. 
B) vibrations of the tectorial membrane. 
C) bending microvilli or stereocilia on the hair cells. 
D) movement of the otoliths in the endolymph. 
E) turning the spiral organ.

Question 16

Match the structure with the appropriate description.
-fovea centralis

Accepted Answer

A) blood vessels enter and the optic nerve exits here 
B) a small yellow spot near the center of the posterior retina 
C) the portion of the retina with the greatest visual acuity 
D) a jellylike substance in the posterior cavity of the eye 
E) the fluid that fills the anterior cavity of the eye 
A) blood vessels enter and the optic nerve exits here 
B) a small yellow spot near the center of the posterior retina 
C) the portion of the retina with the greatest visual acuity 
D) a jellylike substance in the posterior cavity of the eye 
E) the fluid that fills the anterior cavity of the eye

Question 17

Match the structure with the appropriate description.
-auricle

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 18

The photoreceptors in the photoreceptor layer of the retina face the vitreous chamber.

Accepted Answer

A) True 
 B)False

Question 19

Match the structure with the appropriate description.
-olfactory cortex

Accepted Answer

A) relay olfactory information to the brain and synapse with association neurons in the olfactory bulb 
B) area of the brain where the olfactory tracts terminate 
C) enlargements on the dendrites of olfactory neurons 
D) fibers that connect the olfactory bulb to the cortex 
E) the expanded anterior portions of the olfactory nerves 
A) relay olfactory information to the brain and synapse with association neurons in the olfactory bulb 
B) area of the brain where the olfactory tracts terminate 
C) enlargements on the dendrites of olfactory neurons 
D) fibers that connect the olfactory bulb to the cortex 
E) the expanded anterior portions of the olfactory nerves

Question 20

You taste a sauce with the "tip of your tongue".These taste sensations would be carried via the _____ cranial nerve.

Accepted Answer

A) facial (VII) 
B) vagus (X) 
C) trigeminal (V) 
D) glossopharyngeal (IX) 
E) hypoglossal (XII) 
A) facial (VII) 
B) vagus (X) 
C) trigeminal (V) 
D) glossopharyngeal (IX) 
E) hypoglossal (XII)

Exam 15: The Special Senses

A person loses all vision in their left eye.One possible cause could be damage to the

Which of the following statements is NOT true of hyperopia?

Light and dark adaptation involves

As an object moves closer to the eye,

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

The newest taste to be described is

The position of the head with respect to gravity is determined by the

Which auditory ossicle is attached to the tympanic membrane?

Which of the following definitions best describes the timbre of sounds?

Match the structure with the appropriate description. -tympanic membrane

The correct pathway for impulses leaving the retina is

Which of the following cranial nerves would cause a person discomfort when getting dental work done?

Match the structure with the appropriate description. -membranous labyrinth

The contractile structure that surrounds the pupil is the

Cochlear neurons are stimulated by

Match the structure with the appropriate description. -fovea centralis

Match the structure with the appropriate description. -auricle

The photoreceptors in the photoreceptor layer of the retina face the vitreous chamber.

Match the structure with the appropriate description. -olfactory cortex

You taste a sauce with the "tip of your tongue".These taste sensations would be carried via the _____ cranial nerve.

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