The integumentary system

Skin color is due to a pigment called

• Keratin
• Melanin
• Chromatin
• Epithelium

The layer of the epidermis that is capable of dividing is

• Stratum basale
• Stratum corneum
• Stratum lucidum
• Stratum spinosum

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What is one function of the integumentary system?

• It absorbs vitamin C so that the skin will not be subject to diseases.
• The cells of the epidermis store glucose for energy.
• It aids in desiccation.
• It converts cholesterol to vitamin D.

Cancer of the bottom layer of the epidermis is called

• Malignant melanoma
• Basal cell carcinoma
• Impetigo
• Squamous cell carcinoma

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Inflammation of the skin due to irritating chemicals is called:

• Contact dermatitis
• Impetigo
• Vitiligo
• Psoriasis

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Goosebumps are caused by contractions of the ______ muscle

• Arrector pili
• Apocrine
• Eccrine
• Sebaceous

Which is not an accessory organ of the skin?

• hair 
• nails
• sebaceous glands
• melanin

This function of the skin allow the body to respond to pain, pressure, temperature, and sensation.

• production
• sensory perception
• body temperature regulation
•  absorption

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Heat escapes when blood vessels _________.

• constrict
• dilate

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The skin helps to produce _______________ by using UV rays from the sun.

• Vitamin A
• Vitamin C
• Vitamin D
• Vitamin K