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Skin color is due to a pigment called

• Keratin
• Melanin
• Chromatin
• Epithelium

The protein that makes us "waterproof" is called

• keratin
• melanin
• carotene
• mucus

The function of sebum is:

• Keeps skin soft and moist
• Help to regulate body temperature
• Produce vitamin D
• Protect skin from mechanical damage

The function of the integumentary system includes all of these except what?

• Homeostasis

• Cooling system

• Synthesis of Vitamin A

• Excretion of wastes

What types of cells found in the epidermis contain nerve endings that are touch receptors?

• Keratinocytes

• Langerhans cells

• Melanocytes

• Merkel cells

What layer of the skin contains sweat glands?

• Dermis

• Epidermis

• Hypodermis

• Subcutaneous

What is the name of tube that our hair grows from?

• Follicle
• Root
• Shaft
• Sebaceous

What causes acne?

• clogged sebaceous glands
• clogged apocrine glands
• clogged merocrine glands
• clogged sweat glands

The top layer of the skin is called the ---

• dermis

• oil gland

• subcutaneous fat

• epidermis

____ is the coloring in skin and is found in the epidermis.

• Melanin

• Oil

• Perspiration

• Pores