Question 1

The cornea is part of the

Accepted Answer

A) iris. 
B) fibrous tunic. 
C) neural tunic. 
D) uvea. 
E) choroid. 
A) iris. 
B) fibrous tunic. 
C) neural tunic. 
D) uvea. 
E) choroid. B

Question 2

The sense of taste is also known as

Accepted Answer

A) expiation. 
B) maculation. 
C) gustation. 
D) olfaction. 
E) sublation. 
A) expiation. 
B) maculation. 
C) gustation. 
D) olfaction. 
E) sublation. C

Question 3

A normal,relaxed inhalation carries about ________ of the inhaled air to the olfactory organs.

Accepted Answer

A) 50 percent 
B) 8 percent 
C) 2 percent 
D) 35 percent 
E) 10 percent 
A) 50 percent 
B) 8 percent 
C) 2 percent 
D) 35 percent 
E) 10 percent C

Question 4

Where are the visual pigments located in the rods and cones?

Accepted Answer

A) in the inner segment of photoreceptors 
B) in mitochondria located in the outer segment 
C) inside membrane discs stacked in the outer segment 
D) inside a photosensitive nucleus 
E) sandwiched in the cell membrane of the photoreceptors 
A) in the inner segment of photoreceptors 
B) in mitochondria located in the outer segment 
C) inside membrane discs stacked in the outer segment 
D) inside a photosensitive nucleus 
E) sandwiched in the cell membrane of the photoreceptors

Question 5

________ cells adjust sensitivities at the synapses between photoreceptor cells and ganglion cells.

Accepted Answer

A) Bipolar 
B) Ganglion 
C) Nuclear 
D) Hair 
E) Horizontal 
A) Bipolar 
B) Ganglion 
C) Nuclear 
D) Hair 
E) Horizontal

Question 6

Figure 17-1 The Sectional Anatomy of the Eye
Use Figure 17-1 to answer the following questions:
-Identify the structure labeled "9."

Accepted Answer

A) suspensory ligaments 
B) optic disc 
C) sclera 
D) fovea 
E) pupil 
A) suspensory ligaments 
B) optic disc 
C) sclera 
D) fovea 
E) pupil

Question 7

The transparent portion of the fibrous tunic is the

Accepted Answer

A) conjunctiva. 
B) cornea. 
C) iris. 
D) pupil. 
E) canthus. 
A) conjunctiva. 
B) cornea. 
C) iris. 
D) pupil. 
E) canthus.

Question 8

________ cells connect photoreceptors to ganglion cells.

Accepted Answer

A) Bipolar 
B) Ganglion 
C) Amacrine 
D) Cone 
E) Rod 
A) Bipolar 
B) Ganglion 
C) Amacrine 
D) Cone 
E) Rod

Question 9

Before an olfactory receptor can detect an odorant,it has to

Accepted Answer

A) contact a basal cell. 
B) bind to receptors in olfactory cilia. 
C) open ion channels. 
D) respond to applied pressure. 
E) be transported to the olfactory bulbs. 
A) contact a basal cell. 
B) bind to receptors in olfactory cilia. 
C) open ion channels. 
D) respond to applied pressure. 
E) be transported to the olfactory bulbs.

Question 10

What structure regulates the amount of light that passes to the photoreceptors of the eye?

Accepted Answer

A) vitreous body 
B) cornea 
C) ciliary muscle 
D) iris 
E) lens 
A) vitreous body 
B) cornea 
C) ciliary muscle 
D) iris 
E) lens

Question 11

Perception of gravity and linear acceleration depends on

Accepted Answer

A) changes in the pressure exerted by the cupula on hair cells. 
B) vibrations of the tectorial membrane striking hair cells. 
C) the force exerted by otoliths on hair cells of the maculae. 
D) the movement of endolymph within the semicircular canals. 
E) the bending of hair cells in the ampullae. 
A) changes in the pressure exerted by the cupula on hair cells. 
B) vibrations of the tectorial membrane striking hair cells. 
C) the force exerted by otoliths on hair cells of the maculae. 
D) the movement of endolymph within the semicircular canals. 
E) the bending of hair cells in the ampullae.

Question 12

All of the following are true of the fibrous tunic of the eye except that it

Accepted Answer

A) consists of the sclera,limbus,and cornea. 
B) provides mechanical support and some protection for the eye. 
C) produces aqueous humor. 
D) contributes substantial focusing power. 
E) is where extrinsic eye muscles insert. 
A) consists of the sclera,limbus,and cornea. 
B) provides mechanical support and some protection for the eye. 
C) produces aqueous humor. 
D) contributes substantial focusing power. 
E) is where extrinsic eye muscles insert.

Question 13

Which of the following is true of olfactory discrimination?

Accepted Answer

A) There are 6 primary smells known. 
B) The number of olfactory receptors decline as we age. 
C) All odorants require the same concentration to activate an olfactory receptor. 
D) There are different types of olfactory receptor cells to detect each type of odorant. 
E) All of the answers are correct. 
A) There are 6 primary smells known. 
B) The number of olfactory receptors decline as we age. 
C) All odorants require the same concentration to activate an olfactory receptor. 
D) There are different types of olfactory receptor cells to detect each type of odorant. 
E) All of the answers are correct.

Question 14

Olfactory information is first received by which part of the brain?

Accepted Answer

A) frontal lobe 
B) cerebellum 
C) parietal lobe 
D) cerebrum 
E) medulla oblongata 
A) frontal lobe 
B) cerebellum 
C) parietal lobe 
D) cerebrum 
E) medulla oblongata

Question 15

A person suffering from ________ can see distant objects more clearly than those that are close.

Accepted Answer

A) myopia 
B) hyperopia 
C) emmetropia 
D) presbyopia 
E) diplopia 
A) myopia 
B) hyperopia 
C) emmetropia 
D) presbyopia 
E) diplopia

Question 16

The vibrations received by the tympanic membrane are transferred to the oval window by the

Accepted Answer

A) auditory ossicles. 
B) cochlea. 
C) oval window. 
D) tensor tympani. 
E) stapedius muscle. 
A) auditory ossicles. 
B) cochlea. 
C) oval window. 
D) tensor tympani. 
E) stapedius muscle.

Question 17

Movement of the endolymph in the semicircular canals

Accepted Answer

A) produces a rushing sound. 
B) allows us to hear low tones. 
C) signals rotational movements. 
D) signals body position with respect to gravity. 
E) signals linear acceleration. 
A) produces a rushing sound. 
B) allows us to hear low tones. 
C) signals rotational movements. 
D) signals body position with respect to gravity. 
E) signals linear acceleration.

Question 18

The opening in the iris through which light passes is the

Accepted Answer

A) conjunctiva. 
B) cornea. 
C) pupil. 
D) anterior chamber. 
E) posterior chamber. 
A) conjunctiva. 
B) cornea. 
C) pupil. 
D) anterior chamber. 
E) posterior chamber.

Question 19

The hair cells of the utricle and saccule are clustered in

Accepted Answer

A) ampullae. 
B) cristae. 
C) cupulae. 
D) maculae. 
E) otoconia. 
A) ampullae. 
B) cristae. 
C) cupulae. 
D) maculae. 
E) otoconia.

Question 20

The space between the iris and ciliary body and the lens is the

Accepted Answer

A) anterior chamber. 
B) posterior chamber. 
C) pupil. 
D) canal of Schlemm. 
E) vitreous body. 
A) anterior chamber. 
B) posterior chamber. 
C) pupil. 
D) canal of Schlemm. 
E) vitreous body.

Exam 17: The Special Senses

The cornea is part of the

The sense of taste is also known as

A normal,relaxed inhalation carries about ________ of the inhaled air to the olfactory organs.

Where are the visual pigments located in the rods and cones?

________ cells adjust sensitivities at the synapses between photoreceptor cells and ganglion cells.

Figure 17-1 The Sectional Anatomy of the Eye Use Figure 17-1 to answer the following questions: -Identify the structure labeled "9."

The transparent portion of the fibrous tunic is the

________ cells connect photoreceptors to ganglion cells.

Before an olfactory receptor can detect an odorant,it has to

What structure regulates the amount of light that passes to the photoreceptors of the eye?

Perception of gravity and linear acceleration depends on

All of the following are true of the fibrous tunic of the eye except that it

Which of the following is true of olfactory discrimination?

Olfactory information is first received by which part of the brain?

A person suffering from ________ can see distant objects more clearly than those that are close.

The vibrations received by the tympanic membrane are transferred to the oval window by the

Movement of the endolymph in the semicircular canals

The opening in the iris through which light passes is the

The hair cells of the utricle and saccule are clustered in

The space between the iris and ciliary body and the lens is the

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Sensory Pathways and the Somatic Nervous System

The Autonomic Nervous System and Higher-Order Functions

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

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