Question 1

Which structure in this diagram produces the material that dissolves odorants so transduction can occur?

Accepted Answer

A) C 
B) D 
C) F 
D) G 
E) I 
A) C 
B) D 
C) F 
D) G 
E) I

Question 2

Deafness can occur for many reasons.Use your knowledge of the structure of the ear and the process of detecting sound,to propose a mechanism for how arthritis could cause deafness.

Accepted Answer

Arthritis results when synovial joints a

Question 3

Explain what happens when rods are exposed to light.

Accepted Answer

Transducin is produced when cis-retinal

Question 4

During embryonic development,the lens of the eye develops directly from an invagination of the lens placodes called the

Accepted Answer

A) optic groove. 
B) optic vesicle. 
C) optic stalk. 
D) prosencephalon. 
E) lens vesicle. 
A) optic groove. 
B) optic vesicle. 
C) optic stalk. 
D) prosencephalon. 
E) lens vesicle.

Question 5

Nerve impulses for the sense of hearing are initiated in the spiral organ (organ of Corti)and then travel through the _____ to the cochlear nuclei in the _____.

Accepted Answer

A) cochlear branch of cranial nerve VIII;pons 
B) cochlear branch of cranial nerve VIII;medulla oblongata 
C) vestibular branch of cranial nerve VIII;pons 
D) vestibular branch of cranial nerve VIII;medulla oblongata 
A) cochlear branch of cranial nerve VIII;pons 
B) cochlear branch of cranial nerve VIII;medulla oblongata 
C) vestibular branch of cranial nerve VIII;pons 
D) vestibular branch of cranial nerve VIII;medulla oblongata

Question 6

An uncorrected myopic eye is seen in which diagram?

Accepted Answer

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

Question 7

Which papillae increase surface area but do not aid in direct gustation?

Accepted Answer

A) Vallate 
B) Fungiform 
C) Foliate 
D) Filiform 
E) Circumvallate 
A) Vallate 
B) Fungiform 
C) Foliate 
D) Filiform 
E) Circumvallate

Question 8

After staying up all night to study,your eyes are bloodshot.The vasculature in what area is congested and dilated?

Accepted Answer

A) cornea 
B) lacrimal puncta 
C) palpebral conjunctiva 
D) bulbar conjunctiva 
E) retina 
A) cornea 
B) lacrimal puncta 
C) palpebral conjunctiva 
D) bulbar conjunctiva 
E) retina

Question 9

Which structures contain endolymph?

Accepted Answer

A) saccule,utricle and cochlear duct 
B) scala vestibule,scala tympani,and bony labyrinth 
C) membranous and bony labyrinth 
D) scala vestibule,scala tympani,and cochlear duct 
E) cochlear duct,vestibule and semicircular canals 
A) saccule,utricle and cochlear duct 
B) scala vestibule,scala tympani,and bony labyrinth 
C) membranous and bony labyrinth 
D) scala vestibule,scala tympani,and cochlear duct 
E) cochlear duct,vestibule and semicircular canals

Question 10

Tastants make contact with which portion in the diagram?

Accepted Answer

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

Question 11

The lens accommodates when contraction of _______ pulls on _______.

Accepted Answer

A) ciliary processes;ciliary muscle 
B) ciliary muscle;zonular fibers 
C) suspensory ligaments;zonular fibers 
D) zonular fibers;ciliary muscles 
E) ora seratta;suspensory ligaments 
A) ciliary processes;ciliary muscle 
B) ciliary muscle;zonular fibers 
C) suspensory ligaments;zonular fibers 
D) zonular fibers;ciliary muscles 
E) ora seratta;suspensory ligaments

Question 12

How many days after fertilization do the eyes begin to develop?

Accepted Answer

A) 5 
B) 150 
C) 10 
D) 22 
E) 55 
A) 5 
B) 150 
C) 10 
D) 22 
E) 55

Question 13

______ receptors are primarily used for detecting light rays under bright light conditions.

Accepted Answer

A) Basal cell 
B) Rods 
C) Cones 
D) Ganglion 
E) Amacrine cell 
A) Basal cell 
B) Rods 
C) Cones 
D) Ganglion 
E) Amacrine cell

Question 14

Differentiate between linear and rotational acceleration and deceleration.Describe the inner ear structures involved in receiving and transducing sensations involved in maintaining both types of equilibria.

Accepted Answer

The maculae of the utricle and saccule a

Question 15

Pink eye is an infection of the thin mucous membrane that protects the inner aspect of the eyelids and the anterior portion of the sclera.What membrane is involved?

Accepted Answer

A) Palpebral fissure 
B) Conjunctiva 
C) Lateral commissure 
D) Cornea 
E) Choroid 
A) Palpebral fissure 
B) Conjunctiva 
C) Lateral commissure 
D) Cornea 
E) Choroid

Question 16

Individuals that have osteogenesis imperfecta have malformed collagen fibers.The [dropdown 1] is thinner,affecting the eye's strength.Due to this,the whites of the eyes often appear grayish-blue,because the dark pigmented [dropdown 2] layer is seen.
*Dropdown choices:
-choroid
-conjunctiva
-iris
-retina
-sclera

Accepted Answer

The answer of Individuals that have osteogenesis imperfecta have malformed...

Question 17

The ______ regulates the amount of light entering the eyeball through the pupil.

Accepted Answer

A) retina 
B) cornea 
C) iris 
D) lens 
E) fovea centralis 
A) retina 
B) cornea 
C) iris 
D) lens 
E) fovea centralis

Question 18

An uncorrected hyperopic eye is seen in which diagram?

Accepted Answer

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

Question 19

In this diagram which structure composed of bone and cartilage,helps equalize pressure between middle ear and the atmosphere?

Accepted Answer

A) C 
B) D 
C) E 
D) F 
E) H 
A) C 
B) D 
C) E 
D) F 
E) H

Question 20

In the diagram which area contains only cones?

Accepted Answer

A) A 
B) B 
C) C 
D) G 
E) H 
A) A 
B) B 
C) C 
D) G 
E) H

Exam 17: The Special Senses

Which structure in this diagram produces the material that dissolves odorants so transduction can occur?

Deafness can occur for many reasons.Use your knowledge of the structure of the ear and the process of detecting sound,to propose a mechanism for how arthritis could cause deafness.

Explain what happens when rods are exposed to light.

During embryonic development,the lens of the eye develops directly from an invagination of the lens placodes called the

Nerve impulses for the sense of hearing are initiated in the spiral organ (organ of Corti)and then travel through the _____ to the cochlear nuclei in the _____.

An uncorrected myopic eye is seen in which diagram?

Which papillae increase surface area but do not aid in direct gustation?

After staying up all night to study,your eyes are bloodshot.The vasculature in what area is congested and dilated?

Which structures contain endolymph?

Tastants make contact with which portion in the diagram?

The lens accommodates when contraction of _______ pulls on _______.

How many days after fertilization do the eyes begin to develop?

______ receptors are primarily used for detecting light rays under bright light conditions.

Differentiate between linear and rotational acceleration and deceleration.Describe the inner ear structures involved in receiving and transducing sensations involved in maintaining both types of equilibria.

Pink eye is an infection of the thin mucous membrane that protects the inner aspect of the eyelids and the anterior portion of the sclera.What membrane is involved?

The ______ regulates the amount of light entering the eyeball through the pupil.

An uncorrected hyperopic eye is seen in which diagram?

In this diagram which structure composed of bone and cartilage,helps equalize pressure between middle ear and the atmosphere?

In the diagram which area contains only cones?

An Introduction to the Human Body

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

The Skeletal System: Bone Tissue

The Skeletal System: the Axial Skeleton

The Skeletal System: The Appendicular Skeleton

Joints

Muscular Tissue

The Muscular System

Nervous Tissue

The Spinal Cord and Spinal Nerves

The Brain and Cranial Nerves

The Autonomic Nervous System

Sensory, Motor, and Integrative Systems

The Endocrine System

The Cardiovascular System: the Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Hemodynamics

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Nutrition

The Urinary System

Fluid, Electrolyte, and Acidbase Homeostasis

The Reproductive Systems

Development and Inheritance

Filters

Nerve impulses for the sense of hearing are initiated in the spiral organ (organ of Corti)and then travel through the _ to the cochlear nuclei in the _.

The lens accommodates when contraction of _ pulls on _.