Free 5-question sample test with instant feedback. See how ready you are.
Question 1
What is the outermost layer of the epidermis called?
Answer: The stratum corneum, also known as the horny layer. It is composed of dead, keratinized cells that are continually shed and replaced.
Question 2
Which layer of the epidermis contains melanocytes that produce melanin?
Answer: The stratum basale (basal layer), which is the deepest layer of the epidermis. Melanocytes here determine skin color and provide UV protection.
Question 3
What are the two main layers of the skin?
Answer: The epidermis (outer layer) and the dermis (inner layer). The subcutaneous tissue, or hypodermis, lies beneath but is not technically a layer of the skin.
Question 4
What protein makes up the majority of the epidermis and provides a protective barrier?
Answer: Keratin. It is a fibrous protein that hardens and waterproofs the skin, hair, and nails.
Question 5
Which skin layer contains collagen and elastin fibers, blood vessels, and nerve endings?
Answer: The dermis. It provides the skin with strength, elasticity, and nourishment through its network of fibers and vascular structures.