Question 1

The structure of the __________ protects against water loss, the effects of harmful chemicals, and the entry of pathogens.

Accepted Answer

A)   epidermis
B)   dermis
C)   nails
D)   hair
E)   subcutaneous layerF) A) and B)
G) C) and D)

Question 2

The pigment called __________ is reddish-yellow, and __________ is brownish-black.

Accepted Answer

A)   pheomelanin; eumelanin
B)   eumelanin; pheomelaninC) A) and B)
D) undefined

Question 3

In healthy skin, the production of epidermal cells is closely balanced with the loss of skin cells.

Accepted Answer

A) True 
 B)False

Question 4

What forms the granulations that appear during the healing of large, open wounds?

Accepted Answer

A)   Blood clots
B)   Phagocytic cells
C)   Fibroblasts and new blood vessels
D)   Scar tissue
E)   Dead keratinocytesF) A) and E)
G) All of the above

Question 5

Epidermal cells are supplied with nutrients from blood vessels located in what layer?

Accepted Answer

A)   Epidermis
B)   Dermis
C)   Subcutaneous layer
D)   Stratum corneum
E)   Stratum basaleF) B) and D)
G) C) and D)

Question 6

The pigment called __________ is produced by melanocytes..

Accepted Answer

The answer of The pigment called __________ is produced by...

Question 7

Where does the process of keratinization occur?

Accepted Answer

A)   Epidermis
B)   Dermis
C)   Subcutaneous layerD) B) and C)
E) All of the above

Question 8

Injections called __________ are those that are administered into the skin.

Accepted Answer

A)   subcutaneous injections
B)   intradermal injections
C)   intramuscular injections
D)   hypodermic injections
E)   intravenous injectionsF) B) and E)
G) C) and D)

Question 9

What structure is a source of stem cells?

Accepted Answer

A)   Hair bulge
B)   Hair papilla
C)   Hair bulb
D)   Hair rootE) All of the above
F) A) and B)

Question 10

What is happening to epidermal cells as they are pushed from the deeper part of the epidermis toward the surface?

Accepted Answer

A)   They divide continually.
B)   Their supply of nutrients improves.
C)   They die.
D)   They become dermal cells.
E)   They become cancerous.F) A) and E)
G) A) and D)

Question 11

Collagen and elastic fibers of the __________ are continuous with those of the __________.

Accepted Answer

A)   subcutaneous layer; dermis
B)   epidermis; dermis
C)   epidermis; subcutaneous layerD) None of the above
E) A) and B)

Question 12

What is a normal response to excess loss of body heat in a cold environment?

Accepted Answer

A)   Dermal blood vessels constrict.
B)   Sebaceous glands become more active.
C)   Blood flow to skin increases.
D)   Sweat glands become more active.E) B) and C)
F) A) and D)

Question 13

COPD (chronic obstructive pulmonary disease)  is associated with shortness of breath and cyanosis. Why would the cyanosis occur?

Accepted Answer

A)   Decreased oxygen in the blood causes a bluish color to the skin.
B)   The patient's oxygen-rich blood gives the skin the bluish color.
C)   Low blood oxygen causes skin cells to die, resulting in the bluish tinge to the skin.
D)   Shortness of breath results in production of various skin pigments, causing the bluish color.E) A) and D)
F) A) and C)

Question 14

What is keratinization?

Accepted Answer

A)   Process of hardening the epidermal cells
B)   Process by which the secretions of sebaceous glands are released
C)   Process of production and distribution of melanin granules
D)   Process of cell division that produces hair
E)   Process of healing of shallow wounds involving only the epidermisF) A) and B)
G) B) and C) A

Question 15

Hair color is determined by the amount of keratin protein produced during keratinization.

Accepted Answer

A) True 
 B)False  False

Question 16

What are dermal papillae?

Accepted Answer

A)   Conical projections of dermis just deep to the epidermis
B)   Ridges of epidermal cells extending down into dermis
C)   Clusters of stem cells located along side of hair follicles
D)   Conical projections of dermal tissue extending into the base of hair follicles
E)   Areas where sebaceous glands connect to hair folliclesF) A) and E)
G) A) and C)

Question 17

During inflammation, what change occurs to blood vessels in the injured/affected area?

Accepted Answer

A)   Blood vessels dilate and become leaky.
B)   Blood vessels constrict and become less leaky.
C)   Blood vessels dilate and become less leaky.
D)   Blood vessels constrict and become leaky.E) B) and D)
F) B) and C)

Question 18

What is the correct order of the epidermal layers found in thick skin, superficial to deep?

Accepted Answer

A)   Stratum corneum; stratum lucidum; stratum granulosum; stratum spinosum; stratum basale
B)   Stratum corneum; stratum spinosum; stratum granulosum; stratum lucidum; stratum basale
C)   Stratum basale; stratum spinosum; stratum granulosum; stratum lucidum; stratum corneum
D)   Stratum basale; stratum corneum; stratum lucidum; stratum granulosum; stratum spinosum
E)   Stratum lucidum; stratum corneum; stratum basale; stratum granulosum; stratum spinosumF) B) and C)
G) C) and D)

Question 19

On its superficial aspect, the epidermis has ridges called papillae that project upward toward the surface of the skin.

Accepted Answer

A) True 
 B)False

Question 20

Structures including a bulb, a bulge, and a papilla are all associated with what skin structure?

Accepted Answer

A)   Hair follicle
B)   Dermal layer
C)   Fingernail
D)   Melanocyte
E)   Stratum basaleF) None of the above
G) B) and E) A

Exam 6: Integumentary System

The structure of the __________ protects against water loss, the effects of harmful chemicals, and the entry of pathogens.

Correct AnswerverifiedShow Answer

The pigment called __________ is reddish-yellow, and __________ is brownish-black.

Correct AnswerverifiedShow Answer

In healthy skin, the production of epidermal cells is closely balanced with the loss of skin cells.

Correct AnswerverifiedShow Answer

What forms the granulations that appear during the healing of large, open wounds?

Correct AnswerverifiedShow Answer

Epidermal cells are supplied with nutrients from blood vessels located in what layer?

Correct AnswerverifiedShow Answer

The pigment called __________ is produced by melanocytes..

Correct AnswerverifiedShow Answer

Where does the process of keratinization occur?

Correct AnswerverifiedShow Answer

Injections called __________ are those that are administered into the skin.

Correct AnswerverifiedShow Answer

What structure is a source of stem cells?

Correct AnswerverifiedShow Answer

What is happening to epidermal cells as they are pushed from the deeper part of the epidermis toward the surface?

Correct AnswerverifiedShow Answer

Collagen and elastic fibers of the __________ are continuous with those of the __________.

Correct AnswerverifiedShow Answer

What is a normal response to excess loss of body heat in a cold environment?

Correct AnswerverifiedShow Answer

COPD (chronic obstructive pulmonary disease) is associated with shortness of breath and cyanosis. Why would the cyanosis occur?

Correct AnswerverifiedShow Answer

What is keratinization?

Correct AnswerverifiedA

Hair color is determined by the amount of keratin protein produced during keratinization.

Correct AnswerverifiedFalse

What are dermal papillae?

Correct AnswerverifiedShow Answer

During inflammation, what change occurs to blood vessels in the injured/affected area?

Correct AnswerverifiedShow Answer

What is the correct order of the epidermal layers found in thick skin, superficial to deep?

Correct AnswerverifiedShow Answer

On its superficial aspect, the epidermis has ridges called papillae that project upward toward the surface of the skin.

Correct AnswerverifiedShow Answer

Structures including a bulb, a bulge, and a papilla are all associated with what skin structure?

Correct AnswerverifiedA

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The pigment called is reddish-yellow, and is brownish-black.

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Collagen and elastic fibers of the are continuous with those of the .

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A

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False

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A