Question 1

Why does the skin of a light-skinned person appear red during exercise in hot weather?

Accepted Answer

When the skin gets warm,arrivi

Question 2

Each of the following statements concerning hair is true except

Accepted Answer

A) the medulla is the soft core of the hair. 
B) the cortex of the hair is composed of hard keratin. 
C) terminal hairs are heavy and more darkly pigmented than other types of hair. 
D) club hair is hair that has ceased growing. 
E) scalp hairs grow constantly throughout life. 
A) the medulla is the soft core of the hair. 
B) the cortex of the hair is composed of hard keratin. 
C) terminal hairs are heavy and more darkly pigmented than other types of hair. 
D) club hair is hair that has ceased growing. 
E) scalp hairs grow constantly throughout life.

Question 3

The layer of the skin that contains bundles of collagen and elastic fibers responsible for the strength of the skin is the ________ layer.

Accepted Answer

A) papillary 
B) reticular 
C) epidermal 
D) subcutaneous 
E) hypodermal 
A) papillary 
B) reticular 
C) epidermal 
D) subcutaneous 
E) hypodermal

Question 4

Figure 5-1
-Which tissue is located in the region labeled "2"?

Accepted Answer

A) stratified squamous epithelium 
B) areolar connective tissue 
C) adipose tissue 
D) cartilage and blood 
E) reticular connective tissues 
A) stratified squamous epithelium 
B) areolar connective tissue 
C) adipose tissue 
D) cartilage and blood 
E) reticular connective tissues

Question 5

Melanin is produced by melanocytes within the stratum

Accepted Answer

A) corneum. 
B) lucidum. 
C) granulosum. 
D) spinosum. 
E) basale. 
A) corneum. 
B) lucidum. 
C) granulosum. 
D) spinosum. 
E) basale.

Question 6

Distinguish among a first-degree,second-degree,and third-degree burn.

Accepted Answer

A) A first-degree burn affects only the surface of the skin.A second-degree burn affects the whole epidermis and some of the dermis.A third-degree burn destroys the epidermis,the dermis,and extends into the subcutaneous layer. 
B) A first-degree burn affects the whole epidermis and some of the dermis.A second-degree burn affects only the surface of the skin.A third-degree burn destroys the epidermis,the dermis,and extends into the subcutaneous layer. 
C) A first-degree burn destroys the epidermis,the dermis,and extends into the subcutaneous layer.A second-degree burn affects the whole epidermis and some of the dermis.A third-degree burn affects only the surface of the skin. 
D) A first-degree burn destroys the epidermis,the dermis,and extends into the subcutaneous layer.A second-degree burn affects only the surface of the skin.A third-degree burn affects the whole epidermis and some of the dermis. 
E) A first-degree burn affects only the surface of the skin.A second-degree burn destroys the epidermis,the dermis,and extends into the subcutaneous layer.A third-degree burn affects the whole epidermis and some of the dermis. 
A) A first-degree burn affects only the surface of the skin.A second-degree burn affects the whole epidermis and some of the dermis.A third-degree burn destroys the epidermis,the dermis,and extends into the subcutaneous layer. 
B) A first-degree burn affects the whole epidermis and some of the dermis.A second-degree burn affects only the surface of the skin.A third-degree burn destroys the epidermis,the dermis,and extends into the subcutaneous layer. 
C) A first-degree burn destroys the epidermis,the dermis,and extends into the subcutaneous layer.A second-degree burn affects the whole epidermis and some of the dermis.A third-degree burn affects only the surface of the skin. 
D) A first-degree burn destroys the epidermis,the dermis,and extends into the subcutaneous layer.A second-degree burn affects only the surface of the skin.A third-degree burn affects the whole epidermis and some of the dermis. 
E) A first-degree burn affects only the surface of the skin.A second-degree burn destroys the epidermis,the dermis,and extends into the subcutaneous layer.A third-degree burn affects the whole epidermis and some of the dermis.

Question 7

All of the following are true of the hypodermis except it

Accepted Answer

A) contains many blood vessels. 
B) permits independent movement of deeper structures. 
C) contains large amounts of adipose tissue. 
D) is attached to the dermis by a basement membrane. 
E) stores energy reserves. 
A) contains many blood vessels. 
B) permits independent movement of deeper structures. 
C) contains large amounts of adipose tissue. 
D) is attached to the dermis by a basement membrane. 
E) stores energy reserves.

Question 8

Identify the five layers of the epidermis (from superficial to deep).

Accepted Answer

A) stratum basale,stratum spinosum,stratum granulosum,stratum lucidum,and stratum corneum 
B) stratum basale,stratum granulosum,stratum lucidum,stratum corneum,stratum spinosum 
C) stratum basale,stratum granulosum,stratum lucideum,stratum spinosum,stratum corneum 
D) stratum corneum,stratum lucidum,stratum granulosum,stratum basale,stratum spinosum 
E) stratum corneum,stratum lucidum,stratum granulosum,stratum spinosum,stratum basale 
A) stratum basale,stratum spinosum,stratum granulosum,stratum lucidum,and stratum corneum 
B) stratum basale,stratum granulosum,stratum lucidum,stratum corneum,stratum spinosum 
C) stratum basale,stratum granulosum,stratum lucideum,stratum spinosum,stratum corneum 
D) stratum corneum,stratum lucidum,stratum granulosum,stratum basale,stratum spinosum 
E) stratum corneum,stratum lucidum,stratum granulosum,stratum spinosum,stratum basale

Question 9

Describe the three types of skin grafts.Which one is best? Why?

Accepted Answer

In an autograft,the patient's undamaged

Question 10

Insensible perspiration takes place in the

Accepted Answer

A) stratum corneum. 
B) stratum lucidum. 
C) stratum basale. 
D) stratum granulosum. 
E) stratum spinosum. 
A) stratum corneum. 
B) stratum lucidum. 
C) stratum basale. 
D) stratum granulosum. 
E) stratum spinosum.

Question 11

What are the stages of skin regeneration after injury?

Accepted Answer

Inflammati

Question 12

The type of most cells that form the strata in the epidermis are

Accepted Answer

A) adipocytes. 
B) keratinocytes. 
C) fibroblasts. 
D) melanocytes. 
E) dendritic cells. 
A) adipocytes. 
B) keratinocytes. 
C) fibroblasts. 
D) melanocytes. 
E) dendritic cells.

Question 13

An albino individual lacks the ability to produce

Accepted Answer

A) melanin. 
B) keratin. 
C) carotene. 
D) perspiration. 
E) hemoglobin. 
A) melanin. 
B) keratin. 
C) carotene. 
D) perspiration. 
E) hemoglobin.

Question 14

Explain the relationship between sunlight exposure and vitamin D3.

Accepted Answer

In the presence of UV radiatio

Question 15

Which type of burn usually requires skin grafting? Why?

Accepted Answer

A) First-degree burns because the epidermis is damaged. 
B) First-degree burns because the tissue damage is so great that the tissue cannot repair itself. 
C) Second-degree burns because the tissue damage is so great that the tissue cannot repair itself. 
D) Third-degree burns because the epidermis is damaged. 
E) Third-degree burns because the tissue damage is so great that the tissue cannot repair itself. 
A) First-degree burns because the epidermis is damaged. 
B) First-degree burns because the tissue damage is so great that the tissue cannot repair itself. 
C) Second-degree burns because the tissue damage is so great that the tissue cannot repair itself. 
D) Third-degree burns because the epidermis is damaged. 
E) Third-degree burns because the tissue damage is so great that the tissue cannot repair itself.

Question 16

________ are cells in the epidermis that are part of the immune system.

Accepted Answer

A) Dendritic cells 
B) Basal cells 
C) Merkel cells 
D) Squamous cells 
E) Melanocytes 
A) Dendritic cells 
B) Basal cells 
C) Merkel cells 
D) Squamous cells 
E) Melanocytes

Question 17

Skin wrinkle and sagging is caused by

Accepted Answer

A) UV radiation. 
B) hormonal changes. 
C) aging. 
D) all of the choices. 
E) none of the choices. 
A) UV radiation. 
B) hormonal changes. 
C) aging. 
D) all of the choices. 
E) none of the choices.

Question 18

What happens when an arrector pili muscle contracts?

Accepted Answer

A) The hair falls out of the hair bulb. 
B) The hair grows approximately 0.33mm. 
C) The sebaceous gland secretes oil onto the surface of the hair. 
D) The sweat gland secretes sweat out of the pores next to the hair. 
E) The hair follicle becomes erect,producing "goose bumps." 
A) The hair falls out of the hair bulb. 
B) The hair grows approximately 0.33mm. 
C) The sebaceous gland secretes oil onto the surface of the hair. 
D) The sweat gland secretes sweat out of the pores next to the hair. 
E) The hair follicle becomes erect,producing "goose bumps."

Question 19

All of the following are true of epidermal ridges except that they

Accepted Answer

A) extend into the dermis. 
B) contain increased numbers of free nerve endings. 
C) cause ridge patterns on the surface of the skin. 
D) produce patterns that are determined genetically. 
E) interconnect with the dermal papillae. 
A) extend into the dermis. 
B) contain increased numbers of free nerve endings. 
C) cause ridge patterns on the surface of the skin. 
D) produce patterns that are determined genetically. 
E) interconnect with the dermal papillae.

Question 20

Why do people tolerate summer heat less well and become more susceptible to heat-related illness when they become older?

Accepted Answer

As a person ages,the blood sup

Exam 5: The Integumentary System

Why does the skin of a light-skinned person appear red during exercise in hot weather?

Each of the following statements concerning hair is true except

The layer of the skin that contains bundles of collagen and elastic fibers responsible for the strength of the skin is the ________ layer.

Figure 5-1 -Which tissue is located in the region labeled "2"?

Melanin is produced by melanocytes within the stratum

Distinguish among a first-degree,second-degree,and third-degree burn.

All of the following are true of the hypodermis except it

Identify the five layers of the epidermis (from superficial to deep).

Describe the three types of skin grafts.Which one is best? Why?

Insensible perspiration takes place in the

What are the stages of skin regeneration after injury?

The type of most cells that form the strata in the epidermis are

An albino individual lacks the ability to produce

Explain the relationship between sunlight exposure and vitamin D3.

Which type of burn usually requires skin grafting? Why?

________ are cells in the epidermis that are part of the immune system.

Skin wrinkle and sagging is caused by

What happens when an arrector pili muscle contracts?

All of the following are true of epidermal ridges except that they

Why do people tolerate summer heat less well and become more susceptible to heat-related illness when they become older?

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