Question 1

Rickets can be prevented by

Accepted Answer

A) adequate sunlight. 
B) dietary intake of cholecalciferol. 
C) avoiding sunlight. 
D) adequate sunlight and dietary intake of cholecalciferol. 
E) dietary intake of cholecalciferol and avoiding sunlight. 
A) adequate sunlight. 
B) dietary intake of cholecalciferol. 
C) avoiding sunlight. 
D) adequate sunlight and dietary intake of cholecalciferol. 
E) dietary intake of cholecalciferol and avoiding sunlight.

Question 2

Nail production occurs at the nail

Accepted Answer

A) body. 
B) bed. 
C) root. 
D) cuticle. 
E) hyponychium. 
A) body. 
B) bed. 
C) root. 
D) cuticle. 
E) hyponychium.

Question 3

In which layer of skin are keratinocytes produced?

Accepted Answer

A) dermis 
B) subcutaneous layer 
C) stratum spinosum 
D) stratum corneum 
E) stratum basale 
A) dermis 
B) subcutaneous layer 
C) stratum spinosum 
D) stratum corneum 
E) stratum basale

Question 4

________ hairs are coarse pigmented hairs.

Accepted Answer

A) Vellus 
B) Dense 
C) Follicular 
D) Terminal 
E) Keratinous 
A) Vellus 
B) Dense 
C) Follicular 
D) Terminal 
E) Keratinous

Question 5

Each of the following is a function of the integumentary system except

Accepted Answer

A) protection of underlying tissue. 
B) excretion of salts and wastes. 
C) maintenance of body temperature. 
D) synthesis of vitamin C. 
E) provision of sensation. 
A) protection of underlying tissue. 
B) excretion of salts and wastes. 
C) maintenance of body temperature. 
D) synthesis of vitamin C. 
E) provision of sensation.

Question 6

The ________ in keratinocytes protects the epidermis and dermis from the harmful effects of sunlight.

Accepted Answer

A) sebum 
B) hemoglobin 
C) melanin 
D) carotene 
E) keratin 
A) sebum 
B) hemoglobin 
C) melanin 
D) carotene 
E) keratin

Question 7

All of the following are true of perspiration produced by merocrine sweat glands except that it

Accepted Answer

A) is very watery. 
B) contains electrolytes and waste products. 
C) helps cool the body when it evaporates. 
D) helps prevent bacteria from colonizing the skin. 
E) produces the body odor characteristic of "sweating." 
A) is very watery. 
B) contains electrolytes and waste products. 
C) helps cool the body when it evaporates. 
D) helps prevent bacteria from colonizing the skin. 
E) produces the body odor characteristic of "sweating."

Question 8

Why is pulling a hair painful,yet cutting a hair is not?

Accepted Answer

Pulling a hair is painful because its ro

Question 9

Why would an elderly person be more prone to skin infections than a younger person?

Accepted Answer

A) Skin repairs take longer in the elderly. 
B) The epidermis is thinner in the elderly. 
C) There are fewer dendritic cells in the skin of the elderly. 
D) All of the answers are correct. 
A) Skin repairs take longer in the elderly. 
B) The epidermis is thinner in the elderly. 
C) There are fewer dendritic cells in the skin of the elderly. 
D) All of the answers are correct.

Question 10

Many medications can be administered transdermally by applying patches that contain the medication to the surface of the skin.These patches can be attached anywhere on the skin except the palms of the hands and the soles of the feet.Why?

Accepted Answer

Thick skin slows the rate of diffusion o

Question 11

All of the following are characteristics of the epidermis except that it

Accepted Answer

A) is multilayered. 
B) is flexible. 
C) is self-repairing. 
D) serves as UV radiation protection. 
E) is vascularized. 
A) is multilayered. 
B) is flexible. 
C) is self-repairing. 
D) serves as UV radiation protection. 
E) is vascularized.

Question 12

In some cultures,females must be covered from head to toe when they go outdoors.Explain why these women are at increased risk of developing bone problems later in life.

Accepted Answer

The hormone cholecalciferol (vitamin D3)

Question 13

Explain why the rate of dehydration is greater when a person is immersed in seawater than when in fresh water.

Accepted Answer

Salty ocean water is very hypertonic com

Question 14

Define hyponychium.

Accepted Answer

A) A portion of the stratum corneum of the nail root that extends over the exposed nail. 
B) The thickened stratum corneum underlying the free edge of the nail. 
C) An epidermal fold not visible from the surface where nail production occurs. 
D) An area of epidermis that is covered by the nail. 
E) The visible portion of the nail. 
A) A portion of the stratum corneum of the nail root that extends over the exposed nail. 
B) The thickened stratum corneum underlying the free edge of the nail. 
C) An epidermal fold not visible from the surface where nail production occurs. 
D) An area of epidermis that is covered by the nail. 
E) The visible portion of the nail.

Question 15

Predict the degree of scarring after the healing of a horizontal cut on the forehead just above the eyebrow.

Accepted Answer

A) The scarring will be minimal because the cut follows the same direction as the tension lines. 
B) The scarring will be minimal because the cut is at a right angle to the direction of the tension lines. 
C) The scarring will be significant because the cut follows the same direction as the tension lines. 
D) The scarring will be significant because the cut is at a right angle to the direction of the tension lines. 
E) The scarring will be minimal because no tension lines run through that area of the body. 
A) The scarring will be minimal because the cut follows the same direction as the tension lines. 
B) The scarring will be minimal because the cut is at a right angle to the direction of the tension lines. 
C) The scarring will be significant because the cut follows the same direction as the tension lines. 
D) The scarring will be significant because the cut is at a right angle to the direction of the tension lines. 
E) The scarring will be minimal because no tension lines run through that area of the body.

Question 16

At the base of a nail,keratinized skin called the cuticle is also called the

Accepted Answer

A) eponychium. 
B) lunula. 
C) hyponychium. 
D) cerumen. 
E) phalanx. 
A) eponychium. 
B) lunula. 
C) hyponychium. 
D) cerumen. 
E) phalanx.

Question 17

All of the following are functions of accessory structures of integument except

Accepted Answer

A) thermoregulation. 
B) protection of skull. 
C) sensation of touch. 
D) production of skin pigments. 
E) excretion of sweat. 
A) thermoregulation. 
B) protection of skull. 
C) sensation of touch. 
D) production of skin pigments. 
E) excretion of sweat.

Question 18

In a condition known as sunstroke,the victim appears flushed,the skin is warm and dry,and the body temperature rises dramatically.Explain these observations based on what you know concerning the role of the skin in thermoregulation.

Accepted Answer

When the body temperature increases,more

Question 19

The most dangerous type of skin cancer is termed

Accepted Answer

A) cyanosis. 
B) basal cell carcinoma. 
C) malignant melanoma. 
D) metastasis. 
E) melanosome. 
A) cyanosis. 
B) basal cell carcinoma. 
C) malignant melanoma. 
D) metastasis. 
E) melanosome.

Question 20

________ is a pigment found in vegetables that can make the skin appear orange or yellow.

Accepted Answer

A) Melanin 
B) Chlorophyll 
C) Carotene 
D) Hemoglobin 
E) Bilirubin 
A) Melanin 
B) Chlorophyll 
C) Carotene 
D) Hemoglobin 
E) Bilirubin

Exam 5: The Integumentary System

Rickets can be prevented by

Nail production occurs at the nail

In which layer of skin are keratinocytes produced?

________ hairs are coarse pigmented hairs.

Each of the following is a function of the integumentary system except

The ________ in keratinocytes protects the epidermis and dermis from the harmful effects of sunlight.

All of the following are true of perspiration produced by merocrine sweat glands except that it

Why is pulling a hair painful,yet cutting a hair is not?

Why would an elderly person be more prone to skin infections than a younger person?

Many medications can be administered transdermally by applying patches that contain the medication to the surface of the skin.These patches can be attached anywhere on the skin except the palms of the hands and the soles of the feet.Why?

All of the following are characteristics of the epidermis except that it

In some cultures,females must be covered from head to toe when they go outdoors.Explain why these women are at increased risk of developing bone problems later in life.

Explain why the rate of dehydration is greater when a person is immersed in seawater than when in fresh water.

Define hyponychium.

Predict the degree of scarring after the healing of a horizontal cut on the forehead just above the eyebrow.

At the base of a nail,keratinized skin called the cuticle is also called the

All of the following are functions of accessory structures of integument except

In a condition known as sunstroke,the victim appears flushed,the skin is warm and dry,and the body temperature rises dramatically.Explain these observations based on what you know concerning the role of the skin in thermoregulation.

The most dangerous type of skin cancer is termed

________ is a pigment found in vegetables that can make the skin appear orange or yellow.

An Introduction to Anatomy and Physiology

Chemical Level of Organization

Cellular Level of Organization

Tissue Level of Organization

Bones and Bone Structure

The Skeleton

Joints

Skeletal Muscle Tissue

The Muscular System

Nervous Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain, cranial Nerves, and Sensory and Motor Pathways

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Heart and Cardiovascular Function

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism, nutrition, and Energetics

The Urinary System

Fluid,electrolyte,and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters