Question 1

Which hypothalamic nucleus receives visual inputs and establishes a daily pattern of visceral activity that is tied to the day-night cycle?

Accepted Answer

A)  supraoptic nucleus 
B)  medial geniculate nucleus 
C)  preoptic nucleus 
D)  suprachiasmatic nucleus 
E)  lateral geniculate nucleus 
A)  supraoptic nucleus 
B)  medial geniculate nucleus 
C)  preoptic nucleus 
D)  suprachiasmatic nucleus 
E)  lateral geniculate nucleus

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 U.

Accepted Answer

A)  Orbital fat 
B)  Sclera 
C)  Optic disc 
D)  Cornea 
E)  Fovea centralis 
A)  Orbital fat 
B)  Sclera 
C)  Optic disc 
D)  Cornea 
E)  Fovea centralis

Question 3

The tensor tympani muscle ________.

Accepted Answer

A)  originates from the posterior wall of the tympanic cavity 
B)  pulls the stapes upon contraction 
C)  pulls the malleus laterally upon contraction, stiffening the tympanic membrane 
D)  is innervated by motor fibers of the trigeminal nerve 
E)  inserts on the stapes 
A)  originates from the posterior wall of the tympanic cavity 
B)  pulls the stapes upon contraction 
C)  pulls the malleus laterally upon contraction, stiffening the tympanic membrane 
D)  is innervated by motor fibers of the trigeminal nerve 
E)  inserts on the stapes

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 V.

Accepted Answer

A)  Fovea 
B)  Choroid 
C)  Optic disc 
D)  Sclera 
E)  Conjunctiva 
A)  Fovea 
B)  Choroid 
C)  Optic disc 
D)  Sclera 
E)  Conjunctiva

Question 5

The organ of Corti rests on which structure that separates the cochlear duct from the scala tympani?

Accepted Answer

A)  vestibular membrane 
B)  tectorial membrane 
C)  tympanic membrane 
D)  basilar membrane 
E)  macula 
A)  vestibular membrane 
B)  tectorial membrane 
C)  tympanic membrane 
D)  basilar membrane 
E)  macula

Question 6

Regarding pathways for auditory sensations, ascending acoustic information travels to which structure?

Accepted Answer

A)  ventral posterolateral nucleus 
B)  pulvinar 
C)  medial geniculate nucleus 
D)  anterior nuclear group 
E)  lateral geniculate nucleus 
A)  ventral posterolateral nucleus 
B)  pulvinar 
C)  medial geniculate nucleus 
D)  anterior nuclear group 
E)  lateral geniculate nucleus

Question 7

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 R.

Accepted Answer

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

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 X.

Accepted Answer

A)  Central retinal artery and vein 
B)  Optic disc 
C)  Retina 
D)  Optic nerve 
E)  Choroid 
A)  Central retinal artery and vein 
B)  Optic disc 
C)  Retina 
D)  Optic nerve 
E)  Choroid

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 C.

Accepted Answer

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

Question 10

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 Q.

Accepted Answer

A)  Anterior semicircular duct 
B)  Tympanic duct 
C)  Posterior semicircular duct 
D)  Cochlear duct 
E)  Lateral semicircular duct 
A)  Anterior semicircular duct 
B)  Tympanic duct 
C)  Posterior semicircular duct 
D)  Cochlear duct 
E)  Lateral semicircular duct

Question 11

A person having a heart attack may feel pain along the medial side of the left arm. This pain is known as ________.

Accepted Answer

A)  referred pain 
B)  fast pain 
C)  selected pain 
D)  covert pain 
E)  masked pain 
A)  referred pain 
B)  fast pain 
C)  selected pain 
D)  covert pain 
E)  masked pain

Question 12

Conscious awareness of a sensation is called ________.

Accepted Answer

A)  perception 
B)  reception 
C)  stimulation 
D)  adaptation 
E)  transduction 
A)  perception 
B)  reception 
C)  stimulation 
D)  adaptation 
E)  transduction

Question 13

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 G.

Accepted Answer

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

Question 14

The waxy secretions of the ceruminous glands slow the growth of microorganisms in the external acoustic meatus and reduces the chances of infection.

Accepted Answer

A) True 
 B)False

Question 15

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 A.

Accepted Answer

A)  Vascular layer (choroid) 
B)  Fornix 
C)  Fibrous layer (sclera) 
D)  Cornea 
E)  Neural layer (retina) 
A)  Vascular layer (choroid) 
B)  Fornix 
C)  Fibrous layer (sclera) 
D)  Cornea 
E)  Neural layer (retina)

Question 16

When a sound vibrates the eardrum, the movements are conducted to the perilymph of the inner ear by the movements of the stapes.

Accepted Answer

A) True 
 B)False

Question 17

Olfactory receptor cells can undergo mitosis to replace aged cells.

Accepted Answer

A) True 
 B)False

Question 18

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 A.

Accepted Answer

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

Question 19

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 S.

Accepted Answer

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

Question 20

What is the function of the aqueous humor?

Accepted Answer

A)  It helps maintain the shape of the eye. 
B)  It provides an important route for nutrient and waste transport. 
C)  It supports and holds the lens posterior to the iris and centered on the pupil. 
D)  It generates action potentials to the brain. 
E)  It functions in focusing the visual image on the retinal photoreceptors. 
A)  It helps maintain the shape of the eye. 
B)  It provides an important route for nutrient and waste transport. 
C)  It supports and holds the lens posterior to the iris and centered on the pupil. 
D)  It generates action potentials to the brain. 
E)  It functions in focusing the visual image on the retinal photoreceptors.

Exam 18: The Nervous System: General and Special Senses

Which hypothalamic nucleus receives visual inputs and establishes a daily pattern of visceral activity that is tied to the day-night cycle?

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 U.

The tensor tympani muscle ________.

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 V.

The organ of Corti rests on which structure that separates the cochlear duct from the scala tympani?

Regarding pathways for auditory sensations, ascending acoustic information travels to which structure?

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 R.

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 X.

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 C.

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 Q.

A person having a heart attack may feel pain along the medial side of the left arm. This pain is known as ________.

Conscious awareness of a sensation is called ________.

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 G.

The waxy secretions of the ceruminous glands slow the growth of microorganisms in the external acoustic meatus and reduces the chances of infection.

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 A.

When a sound vibrates the eardrum, the movements are conducted to the perilymph of the inner ear by the movements of the stapes.

Olfactory receptor cells can undergo mitosis to replace aged cells.

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 A.

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 S.

What is the function of the aqueous humor?

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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