Question 1

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. A

Question 2

Dynamic equilibrium is maintained by the

Accepted Answer

A) cochlea. 
B) semicircular canals. 
C) vestibule. 
D) spiral organ. 
E) utricle and saccule. 
A) cochlea. 
B) semicircular canals. 
C) vestibule. 
D) spiral organ. 
E) utricle and saccule. B

Question 3

Olfactory epithelium is found

Accepted Answer

A) throughout the nasal cavity. 
B) only in the superior portion of the nasal cavity. 
C) only in the inferior portion of the nasal cavity. 
D) from the vestibule to the pharynx. 
E) only in the mid-nasal ridges. 
A) throughout the nasal cavity. 
B) only in the superior portion of the nasal cavity. 
C) only in the inferior portion of the nasal cavity. 
D) from the vestibule to the pharynx. 
E) only in the mid-nasal ridges. B

Question 4

Place the flow of tears in correct order.
1)lacrimal gland
2)lacrimal sac
3)lacrimal duct
4)superior or inferior lacrimal canal
5)nasolacrimal duct
6)nasal cavity

Accepted Answer

A) 6,5,2,4,3,1 
B) 2,5,3,4,1,6 
C) 3,1,4,2,5,6 
D) 1,3,4,2,5,6 
E) 2,5,6,1,3,4 
A) 6,5,2,4,3,1 
B) 2,5,3,4,1,6 
C) 3,1,4,2,5,6 
D) 1,3,4,2,5,6 
E) 2,5,6,1,3,4

Question 5

Explain the process by which smell sensations are sensed and perceived.

Accepted Answer

Odorant molecules dissolve in mucus secr

Question 6

Otoliths are located in the

Accepted Answer

A) macula of the saccule 
B) cupula of the crista 
C) tectorial membrane of the spiral organ 
D) basilar membrane of the cochlear duct 
E) hair cells and supporting cells of semicircular ducts 
A) macula of the saccule 
B) cupula of the crista 
C) tectorial membrane of the spiral organ 
D) basilar membrane of the cochlear duct 
E) hair cells and supporting cells of semicircular ducts

Question 7

In the olfactory pathway,axons of the mitral cells form the _________.The axons project to the _________.

Accepted Answer

A) olfactory tract;thalamus and cerebral cortex 
B) olfactory tract;cerebral cortex and limbic system 
C) olfactory bulbs;thalamus and cerebral cortex 
D) olfactory bulbs;temporal lobe and cerebral cortex 
E) glomeruli;cerebral cortex and limbic system. 
A) olfactory tract;thalamus and cerebral cortex 
B) olfactory tract;cerebral cortex and limbic system 
C) olfactory bulbs;thalamus and cerebral cortex 
D) olfactory bulbs;temporal lobe and cerebral cortex 
E) glomeruli;cerebral cortex and limbic system.

Question 8

From which of the following layers of the developing embryo do the eyes develop?

Accepted Answer

A) endoderm 
B) mesoderm 
C) ectoderm 
D) ectoderm and mesoderm 
E) ectoderm and endoderm 
A) endoderm 
B) mesoderm 
C) ectoderm 
D) ectoderm and mesoderm 
E) ectoderm and endoderm

Question 9

The second order neurons of the olfactory pathway are located in which region of the diagram?

Accepted Answer

A) A 
B) B 
C) C 
D) K 
E) I 
A) A 
B) B 
C) C 
D) K 
E) I

Question 10

List and briefly describe the three processes that are used by the eye to form a clear image of object on the retina.

Accepted Answer

1)Refraction involves bending light rays

Question 11

[___] provide for the sense of taste.
*Dropdown choices:
-Basal stem cells
-Hair cells
-Gustatory cells
-Olfactory cilia
-Photoreceptors

Accepted Answer

The answer of [___] provide for the sense of taste.
*Dropdown...

Question 12

During embryonic development,the external 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 13

Ciliary bodies are composed of

Accepted Answer

A) striated muscle. 
B) cardiac muscle 
C) skeletal muscle 
D) radial smooth muscle 
E) circular smooth muscle 
A) striated muscle. 
B) cardiac muscle 
C) skeletal muscle 
D) radial smooth muscle 
E) circular smooth muscle

Question 14

In the retina diagram,where is the bipolar cell layer?

Accepted Answer

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

Question 15

During embryonic development,the first portion of the ear to develop is the

Accepted Answer

A) middle ear. 
B) internal ear. 
C) external ear. 
D) bony labyrinth. 
E) membranous labyrinth. 
A) middle ear. 
B) internal ear. 
C) external ear. 
D) bony labyrinth. 
E) membranous labyrinth.

Question 16

Identify the malleus,incus,and stapes in the diagram.

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 17

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 18

Olfaction has a [dropdown 1] threshold,and adaptation of the olfactory sense to the continued presentation of an odorant [dropdown 2].
*Dropdown 1 choices:
-high
-low
-no
*Dropdown 2 choices:
-does not occur
-enhances gustation
-increases sensitivity to that odorant
-occurs rapidly
-occurs slowly

Accepted Answer

1.low
2.oc

Question 19

Presbycusis refers to age-associated

Accepted Answer

A) progressive loss of hearing in one ear. 
B) progressive loss of hearing in both ears. 
C) progressive loss of vision. 
D) otitis media. 
E) vertigo. 
A) progressive loss of hearing in one ear. 
B) progressive loss of hearing in both ears. 
C) progressive loss of vision. 
D) otitis media. 
E) vertigo.

Question 20

Which statement 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.

Exam 17: The Special Senses

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

Dynamic equilibrium is maintained by the

Olfactory epithelium is found

Place the flow of tears in correct order. 1)lacrimal gland 2)lacrimal sac 3)lacrimal duct 4)superior or inferior lacrimal canal 5)nasolacrimal duct 6)nasal cavity

Explain the process by which smell sensations are sensed and perceived.

Otoliths are located in the

In the olfactory pathway,axons of the mitral cells form the _________.The axons project to the _________.

From which of the following layers of the developing embryo do the eyes develop?

The second order neurons of the olfactory pathway are located in which region of the diagram?

List and briefly describe the three processes that are used by the eye to form a clear image of object on the retina.

[___] provide for the sense of taste. *Dropdown choices: -Basal stem cells -Hair cells -Gustatory cells -Olfactory cilia -Photoreceptors

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

Ciliary bodies are composed of

In the retina diagram,where is the bipolar cell layer?

During embryonic development,the first portion of the ear to develop is the

Identify the malleus,incus,and stapes in the diagram.

Infection of a sebaceous ciliary gland can result in

Olfaction has a [dropdown 1] threshold,and adaptation of the olfactory sense to the continued presentation of an odorant [dropdown 2]. *Dropdown 1 choices: -high -low -no *Dropdown 2 choices: -does not occur -enhances gustation -increases sensitivity to that odorant -occurs rapidly -occurs slowly

Presbycusis refers to age-associated

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

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

In the olfactory pathway,axons of the mitral cells form the _.The axons project to the _.

Olfaction has a [dropdown 1] threshold,and adaptation of the olfactory sense to the continued presentation of an odorant [dropdown 2]. Dropdown 1 choices: -high -low -no Dropdown 2 choices: -does not occur -enhances gustation -increases sensitivity to that odorant -occurs rapidly -occurs slowly