Question 1

For distant vision,

Accepted Answer

A)  the lens is more spherical. 
B)  the suspensory ligaments relax. 
C)  the ciliary muscles are relaxed. 
D)  light is refracted more by the lens than by the humors. 
E)  the lens is thickened. 
A)  the lens is more spherical. 
B)  the suspensory ligaments relax. 
C)  the ciliary muscles are relaxed. 
D)  light is refracted more by the lens than by the humors. 
E)  the lens is thickened.

Question 2

Otoliths

Accepted Answer

A)  amplify hearing. 
B)  are part of the ampulla. 
C)  are found in the semicircular canals. 
D)  stimulate hair cells to produce action potentials. 
E)  are found in the cochlear duct. 
A)  amplify hearing. 
B)  are part of the ampulla. 
C)  are found in the semicircular canals. 
D)  stimulate hair cells to produce action potentials. 
E)  are found in the cochlear duct.

Question 3

Match the structure with the appropriate description.
-sty

Accepted Answer

A) lubricate the eyelid 
B) protect the eye from falling objects 
C) an inflamed ciliary gland 
D) small tubes that drain tears into the lacrimal sac 
E) inflammation of the conjunctiva 
A) lubricate the eyelid 
B) protect the eye from falling objects 
C) an inflamed ciliary gland 
D) small tubes that drain tears into the lacrimal sac 
E) inflammation of the conjunctiva

Question 4

The position of the head with respect to gravity is determined by the

Accepted Answer

A)  shift in fluid in the semicircular canals. 
B)  movements of otoliths in response to gravity. 
C)  movements of perilymph in the vestibular chamber. 
D)  impulses transmitted from the macula of the semicircular canals. 
E)  stimulation of the cochlear portion of the nerve. 
A)  shift in fluid in the semicircular canals. 
B)  movements of otoliths in response to gravity. 
C)  movements of perilymph in the vestibular chamber. 
D)  impulses transmitted from the macula of the semicircular canals. 
E)  stimulation of the cochlear portion of the nerve.

Question 5

Match the structure with the appropriate description.
-retina

Accepted Answer

A) photoreceptor cells that function in black and white vision 
B) photoreceptor cells that function in color vision 
C) the opening in the iris 
D) the innermost tunic of the eye 
E) a pigmented contractile structure 
A) photoreceptor cells that function in black and white vision 
B) photoreceptor cells that function in color vision 
C) the opening in the iris 
D) the innermost tunic of the eye 
E) a pigmented contractile structure

Question 6

What eye layer is referred to in the "Don't fire until you see the whites of their eyes"?

Accepted Answer

A)  conjunctiva 
B)  choroid 
C)  retina 
D)  sclera 
E)  pupil 
A)  conjunctiva 
B)  choroid 
C)  retina 
D)  sclera 
E)  pupil

Question 7

-Olfaction is the sense of smell. What does "B" represent?

Accepted Answer

A)  olfactory bulb 
B)  cilia (olfactory hairs) 
C)  olfactory neuron 
D)  axon of olfactory neuron 
E)  olfactory tract 
A)  olfactory bulb 
B)  cilia (olfactory hairs) 
C)  olfactory neuron 
D)  axon of olfactory neuron 
E)  olfactory tract

Question 8

Match the structure with the appropriate description.
-external ear

Accepted Answer

A) eardrum 
B) part of the ear that contains the organ of hearing 
C) the pinna and external auditory meatus are part of this 
D) fleshy portion of the external ear 
E) air-filled space within the temporal bone 
A) eardrum 
B) part of the ear that contains the organ of hearing 
C) the pinna and external auditory meatus are part of this 
D) fleshy portion of the external ear 
E) air-filled space within the temporal bone

Question 9

Match the description with the most appropriate structure.
-endolymph

Accepted Answer

A) structures that produce earwax 
B) fluid in the membranous labyrinth 
C) fluid between the membranous and bony labyrinth 
D) ossicles connect this structure to eardrum 
E) connects the middle ear to the pharynx 
A) structures that produce earwax 
B) fluid in the membranous labyrinth 
C) fluid between the membranous and bony labyrinth 
D) ossicles connect this structure to eardrum 
E) connects the middle ear to the pharynx

Question 10

Match the structure with the appropriate description.
-fovea centralis

Accepted Answer

A) blood vessels enter and the optic nerve exits here 
B) a small yellow spot near the center of the posterior retina 
C) the portion of the retina with the greatest visual acuity 
D) a jellylike substance in the posterior cavity of the eye 
E) the fluid that fills the anterior cavity of the eye 
A) blood vessels enter and the optic nerve exits here 
B) a small yellow spot near the center of the posterior retina 
C) the portion of the retina with the greatest visual acuity 
D) a jellylike substance in the posterior cavity of the eye 
E) the fluid that fills the anterior cavity of the eye

Question 11

Match the structure with the appropriate description.
-vitreous humor

Accepted Answer

A) blood vessels enter and the optic nerve exits here 
B) a small yellow spot near the center of the posterior retina 
C) the portion of the retina with the greatest visual acuity 
D) a jellylike substance in the posterior cavity of the eye 
E) the fluid that fills the anterior cavity of the eye 
A) blood vessels enter and the optic nerve exits here 
B) a small yellow spot near the center of the posterior retina 
C) the portion of the retina with the greatest visual acuity 
D) a jellylike substance in the posterior cavity of the eye 
E) the fluid that fills the anterior cavity of the eye

Question 12

The lacrimal glands

Accepted Answer

A)  cause a sty when inflamed. 
B)  constantly produce a fluid called tears. 
C)  are located in the superomedial corner of the orbit. 
D)  are innervated by parasympathetic fibers from the oculomotor nerve. 
E)  produce sebum. 
A)  cause a sty when inflamed. 
B)  constantly produce a fluid called tears. 
C)  are located in the superomedial corner of the orbit. 
D)  are innervated by parasympathetic fibers from the oculomotor nerve. 
E)  produce sebum.

Question 13

The cornea

Accepted Answer

A)  is highly vascular. 
B)  maintains the shape of the eye. 
C)  is white like the rest of the sclera. 
D)  is part of the focusing system of the eye. 
E)  does not contain connective tissue. 
A)  is highly vascular. 
B)  maintains the shape of the eye. 
C)  is white like the rest of the sclera. 
D)  is part of the focusing system of the eye. 
E)  does not contain connective tissue.

Question 14

Tears

Accepted Answer

A)  are produced only when a person cries. 
B)  wash foreign objects away from the eye. 
C)  contain lysozyme to trap dust. 
D)  are very acidic and kill microbes. 
E)  contain little water. 
A)  are produced only when a person cries. 
B)  wash foreign objects away from the eye. 
C)  contain lysozyme to trap dust. 
D)  are very acidic and kill microbes. 
E)  contain little water.

Question 15

Match the structure with the appropriate description.
-optic disc

Accepted Answer

A) blood vessels enter and the optic nerve exits here 
B) a small yellow spot near the center of the posterior retina 
C) the portion of the retina with the greatest visual acuity 
D) a jellylike substance in the posterior cavity of the eye 
E) the fluid that fills the anterior cavity of the eye 
A) blood vessels enter and the optic nerve exits here 
B) a small yellow spot near the center of the posterior retina 
C) the portion of the retina with the greatest visual acuity 
D) a jellylike substance in the posterior cavity of the eye 
E) the fluid that fills the anterior cavity of the eye

Exam 15: The Special Senses

For distant vision,

Otoliths

Match the structure with the appropriate description. -sty

The position of the head with respect to gravity is determined by the

Match the structure with the appropriate description. -retina

What eye layer is referred to in the "Don't fire until you see the whites of their eyes"?

-Olfaction is the sense of smell. What does "B" represent?

Match the structure with the appropriate description. -external ear

Match the description with the most appropriate structure. -endolymph

Match the structure with the appropriate description. -fovea centralis

Match the structure with the appropriate description. -vitreous humor

The lacrimal glands

The cornea

Tears

Match the structure with the appropriate description. -optic disc

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolytes, and Acidbase Balance

Reproductive System

Development, Growth, Aging, and Genetics

Filters