Question 1

Which labeled step(s)represents regeneration of active photopigment?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) Both 1 and 3 
A) 1 
B) 2 
C) 3 
D) 4 
E) Both 1 and 3

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

Which of the following is the space between the upper and lower eyelids?

Accepted Answer

A) Palpebral fissure 
B) Levator palpebrae 
C) Lacrimal caruncle 
D) Lateral commissure 
E) Conjunctiva 
A) Palpebral fissure 
B) Levator palpebrae 
C) Lacrimal caruncle 
D) Lateral commissure 
E) Conjunctiva

Question 4

Identify the auditory ossicles.

Accepted Answer

A) A,B,C 
B) A,C,G 
C) A,B,J 
D) J,C,G 
E) C,D,G 
A) A,B,C 
B) A,C,G 
C) A,B,J 
D) J,C,G 
E) C,D,G

Question 5

Identify the structure that is a thin semi-transparent partition between the external auditory canal and the middle ear?

Accepted Answer

A) K 
B) G 
C) J 
D) F 
E) E 
A) K 
B) G 
C) J 
D) F 
E) E

Question 6

Which figure illustrates nearsightedness before it has been corrected?

Accepted Answer

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

Question 7

Identify the internal auditory canal.

Accepted Answer

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

Question 8

During embryonic development,the middle ear develops from a structure called the first

Accepted Answer

A) pharyngeal pouch. 
B) pharyngeal cleft. 
C) otic placodes. 
D) otic vesicle. 
E) rhombencephalon. 
A) pharyngeal pouch. 
B) pharyngeal cleft. 
C) otic placodes. 
D) otic vesicle. 
E) rhombencephalon.

Question 9

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 10

The axons of the ganglion neurons of the retina terminate in the

Accepted Answer

A) optic disk. 
B) optic chiasm. 
C) visual cortex of cerebrum. 
D) lateral geniculate nucleus of the thalamus. 
E) primary somatosensory area of cerebral cortex. 
A) optic disk. 
B) optic chiasm. 
C) visual cortex of cerebrum. 
D) lateral geniculate nucleus of the thalamus. 
E) primary somatosensory area of cerebral cortex.

Question 11

Which structure regulates the amount of light entering the eyeball through the pupil?

Accepted Answer

A) Retina 
B) Cornea 
C) Iris 
D) Choroid 
E) Ciliary muscle 
A) Retina 
B) Cornea 
C) Iris 
D) Choroid 
E) Ciliary muscle

Question 12

Which is NOT considered an accessory structure of the eye?

Accepted Answer

A) Eyelids 
B) Eyelashes 
C) Lacrimal apparatus 
D) Eyebrows 
E) Retina 
A) Eyelids 
B) Eyelashes 
C) Lacrimal apparatus 
D) Eyebrows 
E) Retina

Question 13

Which of the types of receptors listed below is primarily used for detecting light rays under bright light conditions?

Accepted Answer

A) olfactory hair cells 
B) rods 
C) cones 
D) ganglion neurons 
E) amacrine cells 
A) olfactory hair cells 
B) rods 
C) cones 
D) ganglion neurons 
E) amacrine cells

Question 14

Which portion of the inner ear is divided into three channels?

Accepted Answer

A) C 
B) G 
C) H 
D) J 
E) None of these choices 
A) C 
B) G 
C) H 
D) J 
E) None of these choices

Question 15

Which of the following statements accurately describes the changes in the membrane potential of a photoreceptor cell when light rays strike its photopigments?

Accepted Answer

A) The photoreceptor cell undergoes rapid depolarization. 
B) The photoreceptor cell undergoes hyperpolarization. 
C) A graded potential proportional to the intensity of the light stimulus occurs in the photoreceptor cell. 
D) No changes in the membrane potential occur. 
E) The photoreceptor cell creates action potentials at a frequency proportional to the intensity of the light stimulus. 
A) The photoreceptor cell undergoes rapid depolarization. 
B) The photoreceptor cell undergoes hyperpolarization. 
C) A graded potential proportional to the intensity of the light stimulus occurs in the photoreceptor cell. 
D) No changes in the membrane potential occur. 
E) The photoreceptor cell creates action potentials at a frequency proportional to the intensity of the light stimulus.

Question 16

Infection of a sebaceous ciliary gland can result in

Accepted Answer

A) blood shot eyes. 
B) inhibition of tear production. 
C) a sty. 
D) glaucoma. 
E) blindness. 
A) blood shot eyes. 
B) inhibition of tear production. 
C) a sty. 
D) glaucoma. 
E) blindness.

Question 17

Which of the following nerves conducts impulses associated with the sense of gustation?

Accepted Answer

A) Vestibulocochlear 
B) Oculomotor 
C) Vagus 
D) Trigeminal 
E) Spinal accessory 
A) Vestibulocochlear 
B) Oculomotor 
C) Vagus 
D) Trigeminal 
E) Spinal accessory

Question 18

Which labeled step(s)represents bleaching of the photopigment?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) Both 2 and 4 
A) 1 
B) 2 
C) 3 
D) 4 
E) Both 2 and 4

Question 19

Identify the sclera.

Accepted Answer

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

Question 20

The lens is made of layers of proteins called

Accepted Answer

A) choroids. 
B) ciliary bodies. 
C) crystallins. 
D) cones. 
E) rods. 
A) choroids. 
B) ciliary bodies. 
C) crystallins. 
D) cones. 
E) rods.

Exam 17: The Special Senses

Which labeled step(s)represents regeneration of active photopigment?

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.

Which of the following is the space between the upper and lower eyelids?

Identify the auditory ossicles.

Identify the structure that is a thin semi-transparent partition between the external auditory canal and the middle ear?

Which figure illustrates nearsightedness before it has been corrected?

Identify the internal auditory canal.

During embryonic development,the middle ear develops from a structure called the first

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

The axons of the ganglion neurons of the retina terminate in the

Which structure regulates the amount of light entering the eyeball through the pupil?

Which is NOT considered an accessory structure of the eye?

Which of the types of receptors listed below is primarily used for detecting light rays under bright light conditions?

Which portion of the inner ear is divided into three channels?

Which of the following statements accurately describes the changes in the membrane potential of a photoreceptor cell when light rays strike its photopigments?

Infection of a sebaceous ciliary gland can result in

Which of the following nerves conducts impulses associated with the sense of gustation?

Which labeled step(s)represents bleaching of the photopigment?

Identify the sclera.

The lens is made of layers of proteins called

An Introduction to the Human Body

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System Unit Ii: Principles of Support and Movement

The Skeletal System: Bone Tissue

The Skeletal System: the Axial Skeleton

The Skeletal System: the Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System Unit Iii: Control Systems of the Human Body

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 Unit Iv: Maintenance of the Human Body

The Cardiovascular System: the Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Hemodynamics

The Lymphatic System, Nonspecific Resistance to Disease, and Immunity

The Respiratory System

The Digestive System

Metabolism

The Urinary System

Fluid, Electrolyte, and Acid-Base Homeostasis Unit V: Continuity

The Reproductive Systems

Development and Inheritance

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