Chapter 3 Skin Exam

The medical branch of science that deals with the study of the skin, its functions, and diseases is ________.

• anatomy
• dermatology
• histology
• physiology

The largest organ of the human body is the _______.

• liver
• lungs
• skin
• heart

The average adult skin weighs _______ pounds.

• 3-6 pounds
• 6-9 pounds
• 9-12 pounds
• 12-15 pounds

Continued pressure on any part of the skin causes it to thicken and develop into a(n) _________.

• lesion
• appendage
• scar
• callus

How does the sin of the scalp differ from other skin?

• the scalp has larger and deeper hair follicles
• the scalp has no epidermis
• the scalp lacks sebaceous glands
• tthe dermis and the epidermis are reversed in the scalp

The outermost and thinnest layer of the skin is the _______.

• subcutaneous
• surface
• epidermis
• dermis

The epidermis has ________ layers

• 3
• 5
• 7
• 9

What is a fibrous protein that is the principal component of hair and nails?

• keratin
• elastin
• dermal papillae
• collagen

The skin layer in which the shedding of skin cells first begins is the stratum _________.

• lucidum
• corneum
• spinosum
• granulosum

The stratum germinativum is composed of several layers with special cells that produce a dark skin pigment called _______.

• keratin
• elastin
• melanin
• granules