Question 1

There are three layers of neurons in the retina. Which of the following neurons have axons that form the optic nerves?

Accepted Answer

A)  bipolar cells 
B)  ganglion cells 
C)  cone cells 
D)  rod cells 
A)  bipolar cells 
B)  ganglion cells 
C)  cone cells 
D)  rod cells B

Question 2

Which of the following lies closest to the anterior pole of the eye?

Accepted Answer

A)  center of the lens 
B)  center of the cornea 
C)  tip of an eyelash 
D)  sclera 
A)  center of the lens 
B)  center of the cornea 
C)  tip of an eyelash 
D)  sclera B

Question 3

In Chapter 12 on the CNS, we learned that the inferior olivary nucleus and medial lemniscus are a relay nucleus and a fiber tract in general somatic sensory pathways in the brain. The superior olivary nucleus and the lateral lemniscus are entirely different structures belonging to what sensory pathway?

Accepted Answer

A)  taste 
B)  olfactory 
C)  visual 
D)  auditory 
A)  taste 
B)  olfactory 
C)  visual 
D)  auditory D

Question 4

Lacrimal fluid is produced by the lacrimal sac in the medial canthus of the eye.

Accepted Answer

A) True 
 B)False

Question 5

The first "way station" (relay nucleus) in the visual pathway from the eye, after there has been partial crossover of the fibers in the optic chiasma, is the

Accepted Answer

A)  superior colliculi. 
B)  lateral geniculate nucleus. 
C)  primary visual cortex. 
D)  temporal lobe. 
A)  superior colliculi. 
B)  lateral geniculate nucleus. 
C)  primary visual cortex. 
D)  temporal lobe.

Question 6

During embryonic development, the retina of the eye develops from

Accepted Answer

A)  the surface ectoderm. 
B)  an outpocketing of the diencephalon. 
C)  the mesoderm. 
D)  the mesoderm and the endoderm. 
A)  the surface ectoderm. 
B)  an outpocketing of the diencephalon. 
C)  the mesoderm. 
D)  the mesoderm and the endoderm.

Question 7

Use the diagram above to answer the following questions.
-Identify the letter that indicates the structure that is the boundary between the external and middle ear.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 8

The vestibule of the ear lies between the semicircular canals and the cochlea.

Accepted Answer

A) True 
 B)False

Question 9

Filaments that pass through the olfactory foramina of the cribriform plate belong to

Accepted Answer

A)  axons of the olfactory sensory neurons. 
B)  dendrites of the olfactory sensory neurons. 
C)  axons of the olfactory bulb mitral cells. 
D)  dendrites of the olfactory bulb mitral cells. 
A)  axons of the olfactory sensory neurons. 
B)  dendrites of the olfactory sensory neurons. 
C)  axons of the olfactory bulb mitral cells. 
D)  dendrites of the olfactory bulb mitral cells.

Question 10

Use the diagram above to answer the following questions.
-Identify the letter that indicates the middle ear ossicle that is known as the stirrup.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 11

Sensorineural deafness, in which the hair cells or auditory pathway are disrupted, could be caused by damage to the cochlear nerve.

Accepted Answer

A) True 
 B)False

Question 12

Abraham spoke so softly that Jason rolled a piece of paper into a funnel shape and put one end into his external auditory canal to signal Abraham to speak up. Abraham then shouted that a certain anatomical structure serves exactly the same function as Jason's paper funnel. That structure is the

Accepted Answer

A)  round window. 
B)  pinna. 
C)  pharyngotympanic tube. 
D)  mastoid antrum. 
A)  round window. 
B)  pinna. 
C)  pharyngotympanic tube. 
D)  mastoid antrum.

Question 13

The sensation of taste involves

Accepted Answer

A)  bending of cilia. 
B)  chemicals binding to microvilli. 
C)  movement of crystals embedded in gelatinous masses. 
D)  photons altering pigment molecules. 
A)  bending of cilia. 
B)  chemicals binding to microvilli. 
C)  movement of crystals embedded in gelatinous masses. 
D)  photons altering pigment molecules.

Question 14

The eyelids house all of the following except the

Accepted Answer

A)  tarsal glands. 
B)  superior tarsal muscle. 
C)  orbicularis oculi muscles. 
D)  lacrimal sac. 
A)  tarsal glands. 
B)  superior tarsal muscle. 
C)  orbicularis oculi muscles. 
D)  lacrimal sac.

Question 15

Hair cells are receptor cells for

Accepted Answer

A)  fine touch. 
B)  both hearing and equilibrium. 
C)  taste. 
D)  vision. 
A)  fine touch. 
B)  both hearing and equilibrium. 
C)  taste. 
D)  vision.

Question 16

Fluid filling the posterior segment of the eye.

Accepted Answer

A)  aqueous humor 
B)  vitreous humor 
C)  synovial fluid 
D)  serous fluid 
E)  endolymph 
A)  aqueous humor 
B)  vitreous humor 
C)  synovial fluid 
D)  serous fluid 
E)  endolymph

Question 17

The oil component found in tears is produced by the

Accepted Answer

A)  lacrimal glands. 
B)  tarsal glands. 
C)  conjunctiva. 
D)  endocrine glands. 
A)  lacrimal glands. 
B)  tarsal glands. 
C)  conjunctiva. 
D)  endocrine glands.

Question 18

Gustatory epithelial cells can be replaced if they are burned or scraped off during eating.

Accepted Answer

A) True 
 B)False

Question 19

Describe the anatomical similarities between the sensory organs of the vestibule (utricle and saccule) and semicircular canals.

Accepted Answer

The sensory receptors in both the vestib

Question 20

Use the diagram above to answer the following questions.
-Identify the letter that indicates the region of the retina that contains only cones and provides maximal visual acuity.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Exam 16: The Special Senses

There are three layers of neurons in the retina. Which of the following neurons have axons that form the optic nerves?

Which of the following lies closest to the anterior pole of the eye?

Lacrimal fluid is produced by the lacrimal sac in the medial canthus of the eye.

The first "way station" (relay nucleus) in the visual pathway from the eye, after there has been partial crossover of the fibers in the optic chiasma, is the

During embryonic development, the retina of the eye develops from

Use the diagram above to answer the following questions. -Identify the letter that indicates the structure that is the boundary between the external and middle ear.

The vestibule of the ear lies between the semicircular canals and the cochlea.

Filaments that pass through the olfactory foramina of the cribriform plate belong to

Use the diagram above to answer the following questions. -Identify the letter that indicates the middle ear ossicle that is known as the stirrup.

Sensorineural deafness, in which the hair cells or auditory pathway are disrupted, could be caused by damage to the cochlear nerve.

Abraham spoke so softly that Jason rolled a piece of paper into a funnel shape and put one end into his external auditory canal to signal Abraham to speak up. Abraham then shouted that a certain anatomical structure serves exactly the same function as Jason's paper funnel. That structure is the

The sensation of taste involves

The eyelids house all of the following except the

Hair cells are receptor cells for

Fluid filling the posterior segment of the eye.

The oil component found in tears is produced by the

Gustatory epithelial cells can be replaced if they are burned or scraped off during eating.

Describe the anatomical similarities between the sensory organs of the vestibule (utricle and saccule) and semicircular canals.

Use the diagram above to answer the following questions. -Identify the letter that indicates the region of the retina that contains only cones and provides maximal visual acuity.

The Human Body: an Orientation

Cells: the Living Units

Basic Embryology

Tissues

The Integumentary System

Bones and Skeletal Tissues

Bones, Part 1: the Axial Skeleton

Bones, Part 2: the Appendicular Skeleton

Joints

Skeletal Muscle Tissue

Muscles of the Body

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System

The Autonomic Nervous System and Visceral Sensory Neurons

The Endocrine System

Blood

The Heart

Blood Vessels

The Lymphatic and Immune Systems

The Respiratory System

The Digestive System

The Urinary System

The Reproductive System

Filters