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What is the function of the dermal papillae at the base of the hair follicle?


A) Pigmentation
B) Strength
C) Texture
D) Nourishment

E) C) and D)
F) A) and B)

Correct Answer

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What is considered the hair's growth center?


A) Keratinocytes
B) Dermal papillae
C) Melanocyte
D) Hair follicle

E) A) and D)
F) None of the above

Correct Answer

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Which of the following combining forms mean hard?


A) kerat/o
B) cyan/o
C) melan/o
D) onych/o

E) B) and D)
F) B) and C)

Correct Answer

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All of the following are functions of the nerve cell endings in the dermis except which one?


A) Receptors for warm and cold
B) Receptors for pain and pressure
C) Receptors for hair movement
D) All of the answer choices are functions of the nerve cells in the dermis.

E) A) and D)
F) All of the above

Correct Answer

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What type of connective tissue makes up the dermis?


A) Adipose tissue and loose/areolar tissue
B) Adipose tissue and dense irregular tissue
C) Collagen and elastic tissue
D) Loose/areolar tissue and dense irregular tissue

E) B) and D)
F) B) and C)

Correct Answer

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What is the hard,waterproof protein that fills keratinocytes?


A) Melanin
B) Keratin
C) Sebum
D) Corneum

E) B) and C)
F) A) and D)

Correct Answer

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Which cells in the epidermis grow and divide?


A) Keratinocytes
B) Melanocytes
C) Tactile corpuscles
D) Dendritic cells

E) None of the above
F) All of the above

Correct Answer

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The stratum basale dips into the dermis to form what?


A) Nail bed
B) Hypodermis
C) Sweat glands
D) Hair follicle

E) A) and B)
F) B) and D)

Correct Answer

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Which of the following skin conditions is a type of dermatitis?


A) Scleroderma
B) Warts
C) Psoriasis
D) Atopic eczema

E) C) and D)
F) A) and D)

Correct Answer

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The stratum basale lies deep to which layer of the epidermis?


A) The stratum basale
B) The stratum lucidum
C) The stratum corneum
D) The stratum spinosum

E) None of the above
F) A) and B)

Correct Answer

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Skin is composed of what two layers?


A) Dermis, hypodermis
B) Dermis, subcutaneous
C) Epidermis, dermis
D) Epidermis, hypodermis

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

Correct Answer

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What type of cell does the stratum basale contain?


A) Squamous
B) Cuboidal
C) Columnar
D) Transitional

E) B) and D)
F) None of the above

Correct Answer

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What is the purpose of cornification?


A) To form a durable, waterproof layer on the surface of the skin
B) To give the skin color
C) To allow skin to feel fine touch
D) To protect the skin from pathogens

E) None of the above
F) A) and B)

Correct Answer

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What is the function of sebum?


A) Cool the body.
B) Nourish an infant.
C) Moisturize the skin and hair.
D) Waterproof the ear.

E) A) and D)
F) A) and C)

Correct Answer

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Which diagnostic test may be performed to determine pigment changes in the skin?


A) Skin biopsy
B) Skin scraping
C) Wood's light
D) Wood's biopsy

E) None of the above
F) A) and D)

Correct Answer

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