Question 1

The stapedius muscle, innervated by the ________ nerve, originates from the posterior wall of the tympanic cavity and inserts on the stapes.

Accepted Answer

A)   facial
B)   trigeminal
C)   trochlear
D)   vagus
E)   glossopharyngealF) C) and E)
G) A) and E)

Question 2

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 K.

Accepted Answer

A)   Cornea
B)   Sclera
C)   Iris
D)   Choroid
E)   ConjunctivaF) A) and D)
G) A) and E)

Question 3

Which of the following structures contain the photoreceptors that respond to light?

Accepted Answer

A)   neural layer
B)   ciliary body
C)   vascular layer
D)   macula lutea
E)   fibrous layerF) A) and B)
G) B) and E)

Question 4

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 F.

Accepted Answer

A)   Fornix
B)   Ora serrata
C)   Lacrimal caruncle
D)   Lateral canthus
E)   Lacrimal punctumF) None of the above
G) B) and D)

Question 5

Which of the following statements is correct regarding the two vestibular nuclei?

Accepted Answer

A)   Sensory fibers from each vestibular ganglion form the vestibular branch of N VII.
B)   They provide a subconscious sense of position and movement.
C)   They integrate the sensory information concerning balance and equilibrium arriving from each side of the head.
D)   They send commands to sensory nuclei in the brainstem and spinal cord.
E)   They relay information from the vestibular apparatus to the epithalamus.F) B) and C)
G) D) and E)

Question 6

What is glaucoma and what is its cause(s)?

Accepted Answer

Glaucoma is the condition in which the a...

Question 7

Which of the following is described as a gelatinous matrix that contains densely packed calcium carbonate crystals?

Accepted Answer

A)   otolithic membrane
B)   ampulla
C)   macula
D)   cupula
E)   sacculeF) C) and D)
G) A) and E)

Question 8

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 O.

Accepted Answer

A)   Mastoid part of parietal bone
B)   Zygomatic part of frontal bone
C)   Petrous part of temporal bone
D)   Squamous part of parietal bone
E)   Bony labyrinthF) B) and E)
G) A) and D)

Question 9

Information on the volume of the urinary bladder is provided by ________.

Accepted Answer

A)   thermoreceptors
B)   proprioceptors
C)   nociceptors
D)   baroreceptors
E)   chemoreceptorsF) A) and E)
G) A) and D)

Question 10

The chemoreceptors of carotid bodies trigger reflexive adjustments in respiratory and cardiovascular activity via which cranial nerve?

Accepted Answer

A)   N IX.
B)   N VII
C)   N XI
D)   N V
E)   N XF) C) and D)
G) B) and D)

Question 11

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 P.

Accepted Answer

A)   Pharyngotympanic tube
B)   Cochlea
C)   Tympanic membrane
D)   Semicircular canals
E)   Auditory ossiclesF) All of the above
G) B) and E)

Question 12

Which glands are located along the inner margin of the eyelid and secrete a lipid-rich product that helps keep the eyelids from sticking together?

Accepted Answer

A)   lacrimal caruncle
B)   merocrine glands
C)   glands of Zeis
D)   tarsal glands
E)   lacrimal glandsF) A) and B)
G) D) and E)

Question 13

Which of the following correctly describes thermoreceptors?

Accepted Answer

A)   There are structural differences between cold and warm thermoreceptors.
B)   They are tonic receptors.
C)   Thermoreceptors are found in the epidermis of the skin, in smooth muscles, in the liver, and in the epithalamus.
D)   Sensations detected by thermoreceptors are conducted along the spinothalamic tracts.
E)   Thermoreceptors are very active when the temperature is changing, but they slowly adapt to a stable temperature.F) C) and D)
G) B) and D)

Question 14

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 I.

Accepted Answer

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

Question 15

Displacement of eyelash hair triggers which of the following?

Accepted Answer

A)   sneezing
B)   blinking reflex
C)   tarsal gland secretion
D)   corneal reflex
E)   pupillary reflexF) None of the above
G) B) and D)

Question 16

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 M.

Accepted Answer

A)   Endolymphatic sac
B)   Ampullae
C)   Cristae
D)   Bony labyrinth
E)   MaculaeF) D) and E)
G) B) and D)

Question 17

Which structure is not considered to be part of the membranous labyrinth?

Accepted Answer

A)   Vestibule
B)   Semicircular duct
C)   Saccule
D)   Cochlear duct
E)   UtricleF) B) and C)
G) C) and D)

Question 18

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 B.

Accepted Answer

A)   Tympanic membrane
B)   Auditory tube
C)   Perilymph
D)   External acoustic meatus
E)   EndolymphF) B) and D)
G) A) and D)

Question 19

Perilymph ________.

Accepted Answer

A)   has properties that closely resemble those of cerebrospinal fluid
B)   is contained entirely within the cochlea
C)   flows within the membranous labyrinth
D)   is a gelatinous structure in which the kinocilia and stereocilia of the hair cells are embedded
E)   is necessary for the functioning of the receptor cells of the inner earF) None of the above
G) B) and C)

Question 20

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 K.

Accepted Answer

A)   Endolymphatic sac
B)   Cochlea
C)   Cerumen
D)   Vestibule
E)   Semicircular canalsF) B) and D)
G) C) and D)

Exam 18: The Nervous System: General and Special Senses

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 F.

Correct AnswerverifiedShow Answer

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 B.

Correct AnswerverifiedShow Answer

Information on the volume of the urinary bladder is provided by ________.

Correct AnswerverifiedShow Answer

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 K.

Correct AnswerverifiedShow Answer

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 P.

Correct AnswerverifiedShow Answer

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 M.

Correct AnswerverifiedShow Answer

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 I.

Correct AnswerverifiedShow Answer

Which of the following correctly describes thermoreceptors?

Correct AnswerverifiedShow Answer

The stapedius muscle, innervated by the ________ nerve, originates from the posterior wall of the tympanic cavity and inserts on the stapes.

Correct AnswerverifiedShow Answer

Perilymph ________.

Correct AnswerverifiedShow Answer

The chemoreceptors of carotid bodies trigger reflexive adjustments in respiratory and cardiovascular activity via which cranial nerve?

Correct AnswerverifiedShow Answer

Which of the following statements is correct regarding the two vestibular nuclei?

Correct AnswerverifiedShow Answer

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 O.

Correct AnswerverifiedShow Answer

What is glaucoma and what is its cause(s)?

Correct AnswerverifiedGlaucoma is the condition in which the a...View AnswerShow Answer

Displacement of eyelash hair triggers which of the following?

Correct AnswerverifiedShow Answer

Which of the following structures contain the photoreceptors that respond to light?

Correct AnswerverifiedShow Answer

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 K.

Correct AnswerverifiedShow Answer

Which structure is not considered to be part of the membranous labyrinth?

Correct AnswerverifiedShow Answer

Which glands are located along the inner margin of the eyelid and secrete a lipid-rich product that helps keep the eyelids from sticking together?

Correct AnswerverifiedShow Answer

Which of the following is described as a gelatinous matrix that contains densely packed calcium carbonate crystals?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Glaucoma is the condition in which the a...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified