Question 1

-What does structure "A" represent on the diagram?

Accepted Answer

A)  Hair follicle 
B)  Arrector pili 
C)  Epidermis and dermis 
D)  Subcutaneous tissue 
E)  Sebaceous gland 
A)  Hair follicle 
B)  Arrector pili 
C)  Epidermis and dermis 
D)  Subcutaneous tissue 
E)  Sebaceous gland

Question 2

Touch receptors of the skin are located in all of these areas, except

Accepted Answer

A)  in the dermis. 
B)  in the epidermis. 
C)  in the dermal papillae. 
D)  around the base of the hair follicle. 
E)  within the hair of the dermis and epidermis. 
A)  in the dermis. 
B)  in the epidermis. 
C)  in the dermal papillae. 
D)  around the base of the hair follicle. 
E)  within the hair of the dermis and epidermis.

Question 3

With aging, individuals tend to feel colder and usually need the thermostat in their home set higher in the winter to feel warm enough. This is probably because the elderly

Accepted Answer

A)  no longer experience hot flashes at night. 
B)  exhibit a decrease in melanin production. 
C)  experience a decrease in the thickness of their subcutaneous layer. 
D)  have less blood flowing to the skin. 
E)  have an increase in shedding of stratum corneum cells. 
A)  no longer experience hot flashes at night. 
B)  exhibit a decrease in melanin production. 
C)  experience a decrease in the thickness of their subcutaneous layer. 
D)  have less blood flowing to the skin. 
E)  have an increase in shedding of stratum corneum cells.

Question 4

Keratinocytes

Accepted Answer

A)  produce skin pigments in cell organelles called melanosomes. 
B)  are found in both the dermal and the epidermal layers of the skin. 
C)  are special cells of the immune system. 
D)  are responsible for the reduction of water loss from the skin. 
E)  determine thickness of the skin. 
A)  produce skin pigments in cell organelles called melanosomes. 
B)  are found in both the dermal and the epidermal layers of the skin. 
C)  are special cells of the immune system. 
D)  are responsible for the reduction of water loss from the skin. 
E)  determine thickness of the skin.

Question 5

A slight sunburn is an example of a ________ burn.

Accepted Answer

A)  first-degree 
B)  second-degree 
C)  third-degree 
D)  fourth-degree 
E)  partial-thickness 
A)  first-degree 
B)  second-degree 
C)  third-degree 
D)  fourth-degree 
E)  partial-thickness

Question 6

-The diagram illustrates accessory structures of the skin. What does "B" represent?

Accepted Answer

A)  Sebaceous gland 
B)  Eccrine sweat gland 
C)  Duct of eccrine sweat gland 
D)  Sweat pore 
E)  Hair follicle 
A)  Sebaceous gland 
B)  Eccrine sweat gland 
C)  Duct of eccrine sweat gland 
D)  Sweat pore 
E)  Hair follicle

Question 7

Which cells of the epidermis are part of the immune system?

Accepted Answer

A)  Keratinocytes 
B)  Melanocytes 
C)  Langerhans cells 
D)  Merkel cells 
E)  Fibroblasts 
A)  Keratinocytes 
B)  Melanocytes 
C)  Langerhans cells 
D)  Merkel cells 
E)  Fibroblasts

Question 8

Which of the following is NOT a complication of a major burn?

Accepted Answer

A)  Local edema 
B)  Shock 
C)  Increased immunity 
D)  Decreased heart pumping ability 
E)  Venous thrombosis 
A)  Local edema 
B)  Shock 
C)  Increased immunity 
D)  Decreased heart pumping ability 
E)  Venous thrombosis

Question 9

Melanin is produced only by ________.

Accepted Answer

A)  keratinocytes 
B)  basal cells 
C)  Langerhans cells 
D)  melanocytes 
E)  Merkel cells 
A)  keratinocytes 
B)  basal cells 
C)  Langerhans cells 
D)  melanocytes 
E)  Merkel cells

Question 10

Which of the following statements concerning the epidermis is true?

Accepted Answer

A)  The dermis is superficial to the epidermis. 
B)  The epidermis contains numerous blood vessels. 
C)  The most numerous cells in the epidermis are the melanocytes. 
D)  The epidermis is nourished by blood vessels located in the dermis. 
E)  The epidermis is very permeable to water-soluble molecules. 
A)  The dermis is superficial to the epidermis. 
B)  The epidermis contains numerous blood vessels. 
C)  The most numerous cells in the epidermis are the melanocytes. 
D)  The epidermis is nourished by blood vessels located in the dermis. 
E)  The epidermis is very permeable to water-soluble molecules.

Question 11

Scientists, studying skin microbes, have identified three unique strains of the bacterium P. acnes., all of which are found on the skin. These bacteria break down lipids, resulting in a low skin pH. This low pH is alkaline in nature and makes the environment unfavorable to invading bacteria.

Accepted Answer

A) True 
 B)False

Question 12

An expanded knob at the base of the hair root is the ________.

Accepted Answer

A)  shaft 
B)  cuticle 
C)  hair bulb 
D)  medulla 
E)  root 
A)  shaft 
B)  cuticle 
C)  hair bulb 
D)  medulla 
E)  root

Question 13

A malfunction of the process of keratinization results in the condition known as ________.

Accepted Answer

A)  psoriasis 
B)  cyanosis 
C)  jaundice 
D)  impetigo 
E)  acne 
A)  psoriasis 
B)  cyanosis 
C)  jaundice 
D)  impetigo 
E)  acne

Question 14

After her last check-up, Harriet was informed that her active Vitamin D levels were low. Which of the following conditions may explain why this is so?

Accepted Answer

A)  Melanin production has increased due to sun exposure, reducing Vitamin D activation. 
B)  Liver dysfunction has reduced the conversion of cholecalciferol to the intermediate for calcitriol production. 
C)  An increase in Vitamin D absorption at the intestines has overwhelmed the homeostasis of vitamin production at the kidneys. 
A)  Melanin production has increased due to sun exposure, reducing Vitamin D activation. 
B)  Liver dysfunction has reduced the conversion of cholecalciferol to the intermediate for calcitriol production. 
C)  An increase in Vitamin D absorption at the intestines has overwhelmed the homeostasis of vitamin production at the kidneys.

Question 15

-The figure illustrates the layers of the epidermis. Which layer of the epidermis is "B"?

Accepted Answer

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

Question 16

Which of the following is NOT a type of burn?

Accepted Answer

A)  Primary burn 
B)  Partial-thickness burn 
C)  Second-degree burn 
D)  Third-degree burn 
E)  Full-thickness burn 
A)  Primary burn 
B)  Partial-thickness burn 
C)  Second-degree burn 
D)  Third-degree burn 
E)  Full-thickness burn

Question 17

Indicate the statements that apply to the arrector pili. (Check all that apply.)

Accepted Answer

A)  They consist of smooth muscle tissue. 
B)  They are associated with hair follicles. 
C)  They extend from the dermal root sheath to the papillary layer of the dermis. 
D)  They extend from the root sheath to the basement membrane of the epidermis. 
A)  They consist of smooth muscle tissue. 
B)  They are associated with hair follicles. 
C)  They extend from the dermal root sheath to the papillary layer of the dermis. 
D)  They extend from the root sheath to the basement membrane of the epidermis.

Question 18

Which type of skin cancer is the most deadly?

Accepted Answer

A)  Basal cell carcinoma 
B)  Squamous cell carcinoma 
C)  Melanoma 
D)  Kaposi sarcoma 
E)  Psoriasis 
A)  Basal cell carcinoma 
B)  Squamous cell carcinoma 
C)  Melanoma 
D)  Kaposi sarcoma 
E)  Psoriasis

Question 19

Sun exposure increases the production of keratin by skin cells, resulting in an orange hue to the skin.

Accepted Answer

A) True 
 B)False

Question 20

The epidermal stratum that is composed of several layers of living cells held together by desmosomes is the ________.

Accepted Answer

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

Exam 5: Integumentary System

-What does structure "A" represent on the diagram?

Touch receptors of the skin are located in all of these areas, except

With aging, individuals tend to feel colder and usually need the thermostat in their home set higher in the winter to feel warm enough. This is probably because the elderly

Keratinocytes

A slight sunburn is an example of a ________ burn.

-The diagram illustrates accessory structures of the skin. What does "B" represent?

Which cells of the epidermis are part of the immune system?

Which of the following is NOT a complication of a major burn?

Melanin is produced only by ________.

Which of the following statements concerning the epidermis is true?

Scientists, studying skin microbes, have identified three unique strains of the bacterium P. acnes., all of which are found on the skin. These bacteria break down lipids, resulting in a low skin pH. This low pH is alkaline in nature and makes the environment unfavorable to invading bacteria.

An expanded knob at the base of the hair root is the ________.

A malfunction of the process of keratinization results in the condition known as ________.

After her last check-up, Harriet was informed that her active Vitamin D levels were low. Which of the following conditions may explain why this is so?

-The figure illustrates the layers of the epidermis. Which layer of the epidermis is "B"?

Which of the following is NOT a type of burn?

Indicate the statements that apply to the arrector pili. (Check all that apply.)

Which type of skin cancer is the most deadly?

Sun exposure increases the production of keratin by skin cells, resulting in an orange hue to the skin.

The epidermal stratum that is composed of several layers of living cells held together by desmosomes is the ________.

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joint and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive System

Development, Growth, Aging, and Genetics

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