INTEGUMENTARY SYSTEM

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1 point

The most common forms of skin cancer are all caused, at least in part, by

chronic dryness of skin.

over‑secretion by sudoriferous glands.

chronic exposure to sunlight.

over‑production of keratin.

1 point

Which of the following is NOT a function of the skin?

Absorption

Protection

Sensation

Maintains homeostasis

1 point

Keratinocytes are are the predominant cells in the

epidermis

reticular region of the dermis

hypodermis

papillary region of the dermis

1 point

Absorption of damaging light rays is the primary function of:

keratin

sebum

cerumen

melanin

1 point

The function of keratin is to:

make bone hard

make skin tough and waterproof

protect skin from ultraviolet light

provided added pigment to the skin of Asian races

1 point

The layer of the skin from which new epidermal cells are derived is the

Stratum corneum

Stratum basale

Stratum lucidum

Reticular layer

1 point

The outermost layer of the epidermis is the:

Stratum lucidum

Reticular layer

Stratum corneum

stratum basale

1 point

fat storage is an important function of the

epidermis.

papillary region of the dermis.

reticular region of the dermis.

hypodermis

1 point

A skin condition in which abnormal keratin is produced and keratinocytes are shed prematurely is:

psoriasis

malignant melanoma.

albinism

impetigo

10.

1 point

sebum is produced by

Sebaceous gland

sudoriferous gland

ceruminous gland

keratinocytes

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