Question 1

The ________ convey(s) information about head position with respect to gravity.

Accepted Answer

A)  cochlea 
B)  utricle 
C)  ampulla 
D)  saccule 
E)  utricle and the saccule 
A)  cochlea 
B)  utricle 
C)  ampulla 
D)  saccule 
E)  utricle and the saccule

Question 2

A sound with a frequency of 12,000 hertz would

Accepted Answer

A)  be very loud. 
B)  be barely audible. 
C)  be high-pitched. 
D)  be low-pitched. 
E)  damage the tympanic membrane. 
A)  be very loud. 
B)  be barely audible. 
C)  be high-pitched. 
D)  be low-pitched. 
E)  damage the tympanic membrane.

Question 3

Stimulation of receptors within the trigeminal nerve might produce a perception of

Accepted Answer

A)  intensely sweet. 
B)  intensely sour. 
C)  quite salty. 
D)  peppery hot. 
E)  bitter. 
A)  intensely sweet. 
B)  intensely sour. 
C)  quite salty. 
D)  peppery hot. 
E)  bitter.

Question 4

Our taste buds are most receptive to which of the following types of compounds?

Accepted Answer

A)  sweet 
B)  salty 
C)  sweet and salty 
D)  bitter 
E)  umami 
A)  sweet 
B)  salty 
C)  sweet and salty 
D)  bitter 
E)  umami

Question 5

Which of the following is a function of the pigmented layer of the retina?

Accepted Answer

A)  provide eye color 
B)  house the photoreceptors 
C)  secrete vitreous humor 
D)  absorb light passing through the neural layer 
E)  refract light onto the photoreceptors 
A)  provide eye color 
B)  house the photoreceptors 
C)  secrete vitreous humor 
D)  absorb light passing through the neural layer 
E)  refract light onto the photoreceptors

Question 6

Figure 17-1 The Sectional Anatomy of the Eye
  
Use Figure 17-1 to answer the following questions:
-Identify the structure labeled "7."

Accepted Answer

A)  choroid 
B)  optic disc 
C)  sclera 
D)  retina 
E)  cornea 
A)  choroid 
B)  optic disc 
C)  sclera 
D)  retina 
E)  cornea

Question 7

________ deafness occurs because of a problem in the cochlea or somewhere along the auditory pathway.

Accepted Answer

A)  Vibrational 
B)  Nerve 
C)  Conductive 
D)  Mechanical 
E)  Macular 
A)  Vibrational 
B)  Nerve 
C)  Conductive 
D)  Mechanical 
E)  Macular

Question 8

The vestibular nuclei at the boundary of the pons and the medulla function in all of the following except

Accepted Answer

A)  integrating the vestibular information arriving from each side of the head. 
B)  relaying vestibular information to the cerebellum. 
C)  relaying vestibular information to the cerebral cortex. 
D)  sending commands to motor nuclei in the brain stem and spinal cord. 
E)  sending information to the vestibular complex of the inner ear. 
A)  integrating the vestibular information arriving from each side of the head. 
B)  relaying vestibular information to the cerebellum. 
C)  relaying vestibular information to the cerebral cortex. 
D)  sending commands to motor nuclei in the brain stem and spinal cord. 
E)  sending information to the vestibular complex of the inner ear.

Question 9

Low frequency sounds stimulate hair cells on which part of the basilar membrane?

Accepted Answer

A)  area close to the round window 
B)  the entire membrane 
C)  the distal end 
D)  the middle region 
E)  area close to the oval window 
A)  area close to the round window 
B)  the entire membrane 
C)  the distal end 
D)  the middle region 
E)  area close to the oval window

Question 10

A structure that is located at the medial angle and contains glands that contribute to a gritty depositisthe

Accepted Answer

A)  palpebra. 
B)  lacrimal caruncle. 
C)  chalazion. 
D)  tarsal gland. 
E)  conjunctiva. 
A)  palpebra. 
B)  lacrimal caruncle. 
C)  chalazion. 
D)  tarsal gland. 
E)  conjunctiva.

Question 11

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 12

Amacrine and ________ cells facilitate or inhibit communication between photoreceptors 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 13

When odorant molecules contact the dendritic processes of olfactory receptors the initial response is

Accepted Answer

A)  an action potential. 
B)  activation of a kinase. 
C)  a generator potential. 
D)  a hyperpolarization potential. 
E)  a conversion of 11-trans retinal to 11-cis retinal. 
A)  an action potential. 
B)  activation of a kinase. 
C)  a generator potential. 
D)  a hyperpolarization potential. 
E)  a conversion of 11-trans retinal to 11-cis retinal.

Question 14

As we age

Accepted Answer

A)  taste bud sensitivity increases. 
B)  taste bud sensitivity doubles. 
C)  the number of taste buds increases. 
D)  the number of taste buds decreases. 
E)  the number of taste buds decreases but the number of olfactory receptors increases to compensate. 
A)  taste bud sensitivity increases. 
B)  taste bud sensitivity doubles. 
C)  the number of taste buds increases. 
D)  the number of taste buds decreases. 
E)  the number of taste buds decreases but the number of olfactory receptors increases to compensate.

Question 15

Figure 17-1 The Sectional Anatomy of the Eye
  
Use Figure 17-1 to answer the following questions:
-Identify the structure labeled "14."

Accepted Answer

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

Question 16

Shaking your head "no" will stimulate the hair cells of the

Accepted Answer

A)  anterior semicircular duct. 
B)  lateral semicircular duct. 
C)  posterior semicircular duct. 
D)  utricle. 
E)  saccule. 
A)  anterior semicircular duct. 
B)  lateral semicircular duct. 
C)  posterior semicircular duct. 
D)  utricle. 
E)  saccule.

Question 17

Which of the following is false concerning lacrimal glands?

Accepted Answer

A)  They produce a strongly hypertonic fluid. 
B)  They produce most of the volume of tears. 
C)  They produce lysozyme. 
D)  They produce watery, slightly alkaline secretions. 
E)  They are located in recesses in the frontal bones. 
A)  They produce a strongly hypertonic fluid. 
B)  They produce most of the volume of tears. 
C)  They produce lysozyme. 
D)  They produce watery, slightly alkaline secretions. 
E)  They are located in recesses in the frontal bones.

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 structure attached to the oval window that transmits vibrations from the tympanic membrane to the inner ear is the

Accepted Answer

A)  malleus. 
B)  basilar membrane. 
C)  incus. 
D)  stapes. 
E)  auditory tube. 
A)  malleus. 
B)  basilar membrane. 
C)  incus. 
D)  stapes. 
E)  auditory tube.

Question 20

Rods exposed to a phosphodiesterase inhibitor would

Accepted Answer

A)  remain in the resting state. 
B)  return to resting membrane potential. 
C)  break down rhodopsin. 
D)  cause bleaching to occur. 
E)  decrease neurotransmitter release. 
A)  remain in the resting state. 
B)  return to resting membrane potential. 
C)  break down rhodopsin. 
D)  cause bleaching to occur. 
E)  decrease neurotransmitter release.

Exam 17: The Special Senses

The ________ convey(s) information about head position with respect to gravity.

A sound with a frequency of 12,000 hertz would

Stimulation of receptors within the trigeminal nerve might produce a perception of

Our taste buds are most receptive to which of the following types of compounds?

Which of the following is a function of the pigmented layer of the retina?

Figure 17-1 The Sectional Anatomy of the Eye Use Figure 17-1 to answer the following questions: -Identify the structure labeled "7."

________ deafness occurs because of a problem in the cochlea or somewhere along the auditory pathway.

The vestibular nuclei at the boundary of the pons and the medulla function in all of the following except

Low frequency sounds stimulate hair cells on which part of the basilar membrane?

A structure that is located at the medial angle and contains glands that contribute to a gritty depositisthe

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

Amacrine and ________ cells facilitate or inhibit communication between photoreceptors and ganglion cells.

When odorant molecules contact the dendritic processes of olfactory receptors the initial response is

As we age

Figure 17-1 The Sectional Anatomy of the Eye Use Figure 17-1 to answer the following questions: -Identify the structure labeled "14."

Shaking your head "no" will stimulate the hair cells of the

Which of the following is false concerning lacrimal glands?

The opening in the iris through which light passes is the

The structure attached to the oval window that transmits vibrations from the tympanic membrane to the inner ear is the

Rods exposed to a phosphodiesterase inhibitor would

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Bones and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Nervous 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, Nutrition, and Energetics

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

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