Question 1

Abnormal jumpy eye movements that may appear after brain stem or inner ear damage are called_________ .

Accepted Answer

nystagmus

Question 2

The_________ is a region of dense bone that surrounds and protects the membranous labyrinth.

Accepted Answer

bony labyrinth

Question 3

In which of the following cases would the focal distance be greater?

Accepted Answer

A)  an object 20 feet away 
B)  an object 10 inches away from your nose 
A)  an object 20 feet away 
B)  an object 10 inches away from your nose B

Question 4

The following steps occur in rods when they are excited by photons of light. 1. Membrane sodium channels close.
2) Increased phosphodiesterase breaks down cGMP.
3) Retinal changes from the 11- cis form to the 11- trans form.
4) The membrane hyperpolarizes and the rate of neurotransmitter release declines.
5) Opsin activates transducin.
6) Opsin activation occurs.
The proper sequence for these steps is

Accepted Answer

A)  1, 3, 4, 5, 6, 2. 
B)  1, 6, 5, 2, 4, 3. 
C)  3, 6, 5, 2, 1, 4. 
D)  3, 6, 5, 1, 2, 4. 
E)  6, 3, 5, 2, 1, 4. 
A)  1, 3, 4, 5, 6, 2. 
B)  1, 6, 5, 2, 4, 3. 
C)  3, 6, 5, 2, 1, 4. 
D)  3, 6, 5, 1, 2, 4. 
E)  6, 3, 5, 2, 1, 4.

Question 5

The opening in the iris through which light passes is the

Accepted Answer

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

Question 6

Figure 15- 2 The Ear
Use Figure 15- 2 to answer the following questions:
-A pigment synthesized from vitamin A is

Accepted Answer

A)  rhodopsin. 
B)  cGMP. 
C)  transducin. 
D)  opsin. 
E)  retinal. 
A)  rhodopsin. 
B)  cGMP. 
C)  transducin. 
D)  opsin. 
E)  retinal.

Question 7

Which of the following is not one of the six primary taste sensations?

Accepted Answer

A)  sweet 
B)  peppery 
C)  sour 
D)  umami 
E)  salty 
A)  sweet 
B)  peppery 
C)  sour 
D)  umami 
E)  salty

Question 8

What structure changes the shape of the lens for far and near vision?

Accepted Answer

A)  iris 
B)  extrinsic eye muscles 
C)  aqueous humor 
D)  ciliary body 
E)  none, because the lens is rigid 
A)  iris 
B)  extrinsic eye muscles 
C)  aqueous humor 
D)  ciliary body 
E)  none, because the lens is rigid

Question 9

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

Accepted Answer

The answer of ____________deafness occurs because of a problem in...

Question 10

An) _____________is a basic unit or packet of light energy

Accepted Answer

The answer of An) _____________is a basic unit or packet...

Question 11

The cochlear receptors that provide our sense of hearing are _______cells.

Accepted Answer

The answer of The cochlear receptors that provide our sense...

Question 12

Figure 15- 1 The Sectional Anatomy of the Eye
Use Figure 15- 1 to answer the following questions:
-Identify the structure labeled "12."

Accepted Answer

A)  fovea 
B)  pupil 
C)  sclera 
D)  optic disc 
E)  retina 
A)  fovea 
B)  pupil 
C)  sclera 
D)  optic disc 
E)  retina

Question 13

How would blockage of the auditory Eustachian) tube at its exit in the nasopharynx by lymphoid tissue "adenoids") affect ear function and health?

Accepted Answer

Blockage of the auditory tube leads to p

Question 14

If your vision is 20/15, this means that you can

Accepted Answer

A)  see objects that are 20 feet or less away. 
B)  see all 15 eye chart letters from 20 feet. 
C)  see 20- point type at 15 feet. 
D)  see objects at 20 feet that individuals with normal eyesight can see at 15 feet. 
E)  see objects at 15 feet that individuals with eye problems see at 20 feet. 
A)  see objects that are 20 feet or less away. 
B)  see all 15 eye chart letters from 20 feet. 
C)  see 20- point type at 15 feet. 
D)  see objects at 20 feet that individuals with normal eyesight can see at 15 feet. 
E)  see objects at 15 feet that individuals with eye problems see at 20 feet.

Question 15

Which of the following descriptions best matches the term basilar membrane?

Accepted Answer

A)  covers over the oval window 
B)  tiny duct necessary for the static sense of equilibrium 
C)  transmits movement of the tympanic membrane to the inner ear 
D)  supports the olfactory organ 
E)  moves up and down when the stapes moves back and forth 
A)  covers over the oval window 
B)  tiny duct necessary for the static sense of equilibrium 
C)  transmits movement of the tympanic membrane to the inner ear 
D)  supports the olfactory organ 
E)  moves up and down when the stapes moves back and forth

Question 16

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

Accepted Answer

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

Question 17

_________ is a type of farsightedness that results from a loss of lens elasticity with age.

Accepted Answer

The answer of _________ is a type of farsightedness that...

Question 18

Figure 15- 1 The Sectional Anatomy of the Eye
Use Figure 15- 1 to answer the following questions:
-Identify the structure labeled "9."

Accepted Answer

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

Question 19

The largest numbers of taste buds in adults are associated with the

Accepted Answer

A)  fungiform papillae. 
B)  larynx. 
C)  circumvallate papillae. 
D)  filiform papillae. 
E)  pharynx. 
A)  fungiform papillae. 
B)  larynx. 
C)  circumvallate papillae. 
D)  filiform papillae. 
E)  pharynx.

Question 20

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

Accepted Answer

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

Exam 15: The Special Senses

Abnormal jumpy eye movements that may appear after brain stem or inner ear damage are called_________ .

The_________ is a region of dense bone that surrounds and protects the membranous labyrinth.

In which of the following cases would the focal distance be greater?

The opening in the iris through which light passes is the

Figure 15- 2 The Ear Use Figure 15- 2 to answer the following questions: -A pigment synthesized from vitamin A is

Which of the following is not one of the six primary taste sensations?

What structure changes the shape of the lens for far and near vision?

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

An) _____________is a basic unit or packet of light energy

The cochlear receptors that provide our sense of hearing are _______cells.

Figure 15- 1 The Sectional Anatomy of the Eye Use Figure 15- 1 to answer the following questions: -Identify the structure labeled "12."

How would blockage of the auditory Eustachian) tube at its exit in the nasopharynx by lymphoid tissue "adenoids") affect ear function and health?

If your vision is 20/15, this means that you can

Which of the following descriptions best matches the term basilar membrane?

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

_________ is a type of farsightedness that results from a loss of lens elasticity with age.

Figure 15- 1 The Sectional Anatomy of the Eye Use Figure 15- 1 to answer the following questions: -Identify the structure labeled "9."

The largest numbers of taste buds in adults are associated with the

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

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 Skeleton

Articulations

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, Spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Neural Integration

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Lymphoid System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Filters