Question 1

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 X 
A)  N IX. 
B)  N VII 
C)  N XI 
D)  N V 
E)  N X

Question 2

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 ear 
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 ear

Question 3

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 labyrinth 
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 labyrinth

Question 4

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

Question 5

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

Accepted Answer

Glaucoma is the condition in which the a

Question 6

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 punctum 
A)  Fornix 
B)  Ora serrata 
C)  Lacrimal caruncle 
D)  Lateral canthus 
E)  Lacrimal punctum

Question 7

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

Question 8

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)  Maculae 
A)  Endolymphatic sac 
B)  Ampullae 
C)  Cristae 
D)  Bony labyrinth 
E)  Maculae

Question 9

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 canals 
A)  Endolymphatic sac 
B)  Cochlea 
C)  Cerumen 
D)  Vestibule 
E)  Semicircular canals

Question 10

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)  saccule 
A)  otolithic membrane 
B)  ampulla 
C)  macula 
D)  cupula 
E)  saccule

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 K.

Accepted Answer

A)  Cornea 
B)  Sclera 
C)  Iris 
D)  Choroid 
E)  Conjunctiva 
A)  Cornea 
B)  Sclera 
C)  Iris 
D)  Choroid 
E)  Conjunctiva

Question 12

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 ossicles 
A)  Pharyngotympanic tube 
B)  Cochlea 
C)  Tympanic membrane 
D)  Semicircular canals 
E)  Auditory ossicles

Question 13

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)  Endolymph 
A)  Tympanic membrane 
B)  Auditory tube 
C)  Perilymph 
D)  External acoustic meatus 
E)  Endolymph

Question 14

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)  Utricle 
A)  Vestibule 
B)  Semicircular duct 
C)  Saccule 
D)  Cochlear duct 
E)  Utricle

Question 15

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

Question 16

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. 
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.

Question 17

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

Accepted Answer

A)  thermoreceptors 
B)  proprioceptors 
C)  nociceptors 
D)  baroreceptors 
E)  chemoreceptors 
A)  thermoreceptors 
B)  proprioceptors 
C)  nociceptors 
D)  baroreceptors 
E)  chemoreceptors

Question 18

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 reflex 
A)  sneezing 
B)  blinking reflex 
C)  tarsal gland secretion 
D)  corneal reflex 
E)  pupillary reflex

Question 19

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. 
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.

Question 20

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)  glossopharyngeal 
A)  facial 
B)  trigeminal 
C)  trochlear 
D)  vagus 
E)  glossopharyngeal

Exam 18: The Nervous System: General and Special Senses

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

Perilymph ________.

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.

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?

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

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.

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

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.

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.

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

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.

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.

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.

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

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.

Which of the following correctly describes thermoreceptors?

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

Displacement of eyelash hair triggers which of the following?

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

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

Foundations: An Introduction to Anatomy

Foundations: The Cell

Foundations: Tissues and Early Embryology

The Integumentary System

The Skeletal System: Osseous Tissue and Skeletal Structure

The Skeletal System: Axial Division

The Skeletal System: Appendicular Division

The Skeletal System: Articulations

The Muscular System: Skeletal Muscle Tissue and Muscle Organization

The Muscular System: Axial Musculature

The Muscular System: Appendicular Musculature

Surface Anatomy and Cross-Sectional Anatomy

The Nervous System: Neural Tissue

The Nervous System: The Spinal Cord and Spinal Nerves

The Nervous System: Sensory and Motor Tracts of the Spinal Cord

The Nervous System: The Brain and Cranial Nerves

The Nervous System: Autonomic Nervous System

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: The Heart

The Cardiovascular System: Vessels and Circulation

The Lymphatic System

The Respiratory System

The Digestive System

The Urinary System

The Reproductive System

Embryology and Human Development

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