Question 1

Which of the following is characteristic of the membranous labyrinth?

Accepted Answer

A)   Its outer walls are fused with the surrounding temporal bone.
B)   It is subdivided into the vestibule, the semicircular canals, and the cochlea.
C)   Its fluid has a relatively low potassium ion concentration.
D)   Its receptors provide sensations of gravity and linear acceleration.
E)   It contains a fluid called endolymph.

Question 2

Which of the following is a structure of the fibrous layer?

Accepted Answer

A)   iris
B)   intrinsic eye muscles
C)   sclera
D)   ciliary body
E)   choroid

Question 3

Figure 18.3
  
Using the figure above, identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label E.

Accepted Answer

A)   Lateral canthus
B)   Ciliary body
C)   Sclera
D)   Ora serrata
E)   Choroid

Question 4

Oxygen and nutrients are delivered to the outer portion of the retina by an extensive capillary network contained within the ________.

Accepted Answer

A)   sclera
B)   macula
C)   ora serrata
D)   choroid
E)   ciliary body

Question 5

Figure 18.2
  
Using the figure above, identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label H.

Accepted Answer

A)   Semicircular duct
B)   Tympanic duct
C)   Cochlear duct
D)   Auditory tube
E)   Vestibular duct

Question 6

Figure 18.2
  
Using the figure above, identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label D.

Accepted Answer

A)   Vestibular duct
B)   Bony labyrinth
C)   Perilymph
D)   Membranous labyrinth
E)   Cochlear duct

Question 7

Figure 18.1
  
Using the figure above, identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label H.

Accepted Answer

A)   Semicircular canal
B)   Tympanic cavity
C)   Tympanic membrane
D)   Vestibule
E)   Auditory tube

Question 8

Figure 18.3
  
Using the figure above, identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label L.

Accepted Answer

A)   Pupil
B)   Choroid
C)   Lens
D)   Conjunctiva
E)   Cornea

Question 9

In the eye, axons from ganglion cells converge on the ________.

Accepted Answer

A)   optic disc
B)   fovea
C)   choroid
D)   macula
E)   vitreous body

Question 10

The lacrimal gland secretions are viscous and slightly acidic.

Accepted Answer

A) True 
 B)False

Question 11

Figure 18.3
  
Using the figure above, identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label C.

Accepted Answer

A)   Conjunctiva
B)   Vascular layer (choroid) 
C)   Retina
D)   Ora serrata
E)   Cornea

Question 12

Bulbous corpuscles are pressure and vibration receptors that adapt rapidly.

Accepted Answer

A) True 
 B)False

Question 13

What is the location of the lacrimal gland?

Accepted Answer

A)   It extends along the nasolacrimal canal formed by the lacrimal bone and the maxilla.
B)   It sits within a depression in the frontal bone, within the orbit and superior and lateral to the eyeball.
C)   It is located in the area of the medial canthus.
D)   It is nestled within the ethmoid bone, medial to the superior orbital fissure.
E)   It runs along grooves in the surface of the lacrimal bone.

Question 14

Which is not a cell type found in the olfactory epithelium?

Accepted Answer

A)   olfactory sensory neuron
B)   supporting cell
C)   basal epithelial cell
D)   olfactory gland cell
E)   All are found in the olfactory epithelium.

Question 15

Figure 18.1
  
Using the figure above, identify the labeled structure(s)  in each of the following questions.
-Identify the structure indicated by Label K.

Accepted Answer

A)   External acoustic meatus
B)   Auditory tube
C)   Tympanic cavity
D)   Vestibule
E)   Cochlea

Question 16

Figure 18.3
  
Using the figure above, identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label W.

Accepted Answer

A)   N V
B)   N II
C)   N IV
D)   N I
E)   N III

Question 17

Which of the following is the correct description of the tarsal plate?

Accepted Answer

A)   It is a collective of skeletal muscles, which are responsible for closing the eyelids and raising the upper eyelid.
B)   It is a collective of goblet cells within an epithelium that assists the various accessory glands in providing a superficial lubricant that prevents friction and drying of the opposing conjunctival surfaces.
C)   It is a collection of layers of broad sheets of connective tissue, which support and strengthen the eyelids.
D)   It is a mucous membrane covered by a specialized stratified squamous epithelium.
E)   It is a thin layer of simple squamous epithelium that covers the visible surface of the eyelid.

Question 18

Figure 18.3
  
Using the figure above, identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label O.

Accepted Answer

A)   Posterior cavity
B)   Anterior chamber (filled with aqueous humor) 
C)   Vestibule
D)   Posterior chamber (filled with aqueous humor) 
E)   Ethmoidal labyrinth

Question 19

The ciliary zonule of the lens is a ring of fibers that attaches the lens to which structure(s)  ?

Accepted Answer

A)   ora serrata
B)   fovea
C)   corneal limbus
D)   ciliary processes
E)   macula

Question 20

Figure 18.3
  
Using the figure above, identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label J.

Accepted Answer

A)   Posterior chamber (filled with aqueous humor) 
B)   Cornea
C)   Anterior chamber (filled with aqueous humor) 
D)   Ora serrata
E)   Posterior cavity (vitreous chamber filled with the vitreous body)

Exam 18: The Nervous System: General and Special Senses

What is the location of the lacrimal gland?

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The ciliary zonule of the lens is a ring of fibers that attaches the lens to which structure(s) ?

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The lacrimal gland secretions are viscous and slightly acidic.

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Which of the following is the correct description of the tarsal plate?

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Figure 18.1 Using the figure above, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label H.

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Figure 18.3 Using the figure above, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label O.

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Figure 18.3 Using the figure above, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label W.

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Which of the following is characteristic of the membranous labyrinth?

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Bulbous corpuscles are pressure and vibration receptors that adapt rapidly.

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Oxygen and nutrients are delivered to the outer portion of the retina by an extensive capillary network contained within the ________.

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Figure 18.1 Using the figure above, identify the labeled structure(s) in each of the following questions. -Identify the structure indicated by Label K.

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Figure 18.3 Using the figure above, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label J.

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Which is not a cell type found in the olfactory epithelium?

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Which of the following is a structure of the fibrous layer?

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Figure 18.2 Using the figure above, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label D.

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Figure 18.2 Using the figure above, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label H.

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Figure 18.3 Using the figure above, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label L.

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In the eye, axons from ganglion cells converge on the ________.

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Figure 18.3 Using the figure above, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label C.

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Figure 18.3 Using the figure above, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label E.

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