Question 1

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.F) All of the above
G) A) and C)

Question 2

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 3

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.E) A) and B)
F) A) and C)

Question 4

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

Accepted Answer

A)   Keratinocytes
B)   Melanocytes
C)   Langerhans cells
D)   Merkel cells
E)   FibroblastsF) D) and E)
G) A) and B)

Question 5

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 burnF) C) and D)
G) B) and E)

Question 6

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)   PsoriasisF) D) and E)
G) A) and B)

Question 7

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 8

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-thicknessF) A) and D)
G) All of the above

Question 9

-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 granulosumF) None of the above
G) B) and D)

Question 10

-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 glandF) B) and D)
G) B) and C)

Question 11

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.F) A) and B)
G) B) and E)

Question 12

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.F) B) and E)
G) A) and E)

Question 13

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 corneumF) A) and C)
G) B) and E)

Question 14

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.F) A) and B)
G) A) and C)

Question 15

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

Accepted Answer

A)   shaft
B)   cuticle
C)   hair bulb
D)   medulla
E)   rootF) All of the above
G) B) and E)

Question 16

Melanin is produced only by ________.

Accepted Answer

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

Question 17

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 thrombosisF) B) and C)
G) A) and D)

Question 18

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

Accepted Answer

A)   psoriasis
B)   cyanosis
C)   jaundice
D)   impetigo
E)   acneF) A) and D)
G) A) and B)

Question 19

-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 follicleF) A) and D)
G) A) and E)

Question 20

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.D) All of the above
E) B) and C)

Exam 5: Integumentary System

Which type of skin cancer is the most deadly?

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Keratinocytes

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Melanin is produced only by ________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following statements concerning the epidermis is true?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is NOT a type of burn?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A slight sunburn is an example of a ________ burn.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified