Question 1

Match the structure with the appropriate description.
-iris

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 structureF) C) and E)
G) A) and D)

Question 2

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

Accepted Answer

A)   loudness
B)   amplitude
C)   wave frequency
D)   resonance quality
E)   pitchF) A) and E)
G) A) and C)

Question 3

To which colors are the three different kinds of cones sensitive?

Accepted Answer

A)   blue, red, and yellow
B)   red, blue, and green
C)   red, violet, and yellow
D)   violet, green, and blue
E)   orange, indigo, and violetF) B) and C)
G) C) and E)

Question 4

A ringing in the ears is considered

Accepted Answer

A)   tinnitus.
B)   trachoma.
C)   nystagmus.
D)   mydriasis.
E)   otitis media.F) A) and C)
G) C) and E)

Question 5

Identify the type of hair cells of the spiral organ that are responsible for hearing.

Accepted Answer

A)   inner hair cells
B)   outer hair cells
C)   inner and outer hair cellsD) All of the above
E) A) and C)

Question 6

The membranous labyrinth is located within the bony labyrinth of the inner ear.

Accepted Answer

A) True 
 B)False

Question 7

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 endolymphF) B) and C)
G) A) and B)

Question 8

Which of the following is NOT an intrinsic eye muscle?

Accepted Answer

A)   ciliary muscles
B)   inferior oblique muscle
C)   sphincter pupillae muscle
D)   dilator pupillae muscleE) C) and D)
F) B) and C)

Question 9

The contractile structure that surrounds the pupil is the

Accepted Answer

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

Question 10

Arrange the following parts of the neuronal pathway for hearing in the correct sequence. (1)  inferior colliculus
(2)  medial geniculate nucleus
(3)  superior olivary nucleus
(4)  auditory cortex
(5)  cochlear nucleus

Accepted Answer

A)   4, 5, 3, 1, 2
B)   5, 3, 1, 2, 4
C)   1, 2, 3, 5, 4
D)   5, 2, 1, 3, 4
E)   5, 4, 1, 3, 2F) B) and C)
G) B) and D)

Question 11

Which of the following is false?

Accepted Answer

A)   Rods cannot detect color.
B)   The visual pigment of cones is iodopsin.
C)   Most of the optic tract axons terminate in the lateral geniculate nucleus of the thalamus.
D)   Association neurons in the inner retinal layers modify signals of rods and cones.
E)   Most of the optic tract axons terminate in the medial geniculate nucleus of the thalamus.F) A) and B)
G) A) and C)

Question 12

The blink reflex is designed to

Accepted Answer

A)   maintain balance.
B)   regulate pupil size.
C)   provide clearer vision.
D)   keep the eyes moist.
E)   orient the eyes.F) B) and E)
G) C) and D)

Question 13

Arrange the following events in correct sequence. (1)  retinal cells generate action potential
(2)  person becomes aware of the information obtained by CNS
(3)  visual cortex translates action potential
(4)  bright light is shone into the eye
(5)  optic nerve conducts action potential to CNS

Accepted Answer

A)   4, 5, 1, 3, 2
B)   4, 1, 2, 3, 5
C)   4, 1, 5, 3, 2
D)   4, 2, 1, 5, 3
E)   4, 3, 5, 2, 1F) A) and B)
G) C) and D)

Question 14

Sensory structures that detect taste are

Accepted Answer

A)   palates.
B)   papillae.
C)   taste buds.
D)   ciliary membranes.
E)   thermoreceptors.F) A) and D)
G) A) and B)

Question 15

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.F) D) and E)
G) All of the above

Question 16

Match the description with the most appropriate structure.
-perilymph

Accepted Answer

A)  structures that produce earwax
B)  fluid in the membranous labyrinth
C)  fluid between the membranous and bony labyrinth
D)  ossicles connect this structure to eardrum
E)  connects the middle ear to the pharynxF) None of the above
G) A) and B)

Question 17

The conscious perception of smell is a function of the:

Accepted Answer

A)   olfactory cortex in the frontal lobe
B)   secondary olfactory area in the frontal lobe
C)   olfactory cortex in the temporal lobe
D)   secondary olfactory area in the temporal lobeE) All of the above
F) A) and C)

Question 18

Which type of taste has the lowest threshold?

Accepted Answer

A)   sweet
B)   bitter
C)   salty
D)   sour
E)   umamiF) A) and E)
G) B) and E)

Question 19

Night blindness could be caused by

Accepted Answer

A)   a lack of cones.
B)   a lack of iodopsin.
C)   a lack of rhodopsin.
D)   too much vitamin A in the diet.
E)   a lack of vitamin C in the diet.F) None of the above
G) C) and D)

Question 20

To focus on objects closer than 20 feet,

Accepted Answer

A)   the lens must become flatter.
B)   the cornea must move inward.
C)   the ciliary muscles must contract.
D)   the suspensory ligaments increase tension on the lens.
E)   the retina must bend.F) A) and D)
G) A) and C)

Exam 15: The Special Senses

To which colors are the three different kinds of cones sensitive?

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The membranous labyrinth is located within the bony labyrinth of the inner ear.

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Arrange the following parts of the neuronal pathway for hearing in the correct sequence. (1) inferior colliculus (2) medial geniculate nucleus (3) superior olivary nucleus (4) auditory cortex (5) cochlear nucleus

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

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As an object moves closer to the eye,

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Which of the following is NOT an intrinsic eye muscle?

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Which type of taste has the lowest threshold?

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The contractile structure that surrounds the pupil is the

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Which of the following is false?

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Identify the type of hair cells of the spiral organ that are responsible for hearing.

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Night blindness could be caused by

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Match the structure with the appropriate description. -iris

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A ringing in the ears is considered

Correct AnswerverifiedShow Answer

Match the structure with the appropriate description. -membranous labyrinth

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Sensory structures that detect taste are

Correct AnswerverifiedShow Answer

Arrange the following events in correct sequence. (1) retinal cells generate action potential (2) person becomes aware of the information obtained by CNS (3) visual cortex translates action potential (4) bright light is shone into the eye (5) optic nerve conducts action potential to CNS

Correct AnswerverifiedShow Answer

The blink reflex is designed to

Correct AnswerverifiedShow Answer

To focus on objects closer than 20 feet,

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The conscious perception of smell is a function of the:

Correct AnswerverifiedShow Answer

Match the description with the most appropriate structure. -perilymph

Correct AnswerverifiedShow Answer

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