Exam 10: Skin

You turn red when you blush, because the color of blood is red.

Which of the following is not true of the dermal-epidermal junction?

Apocrine sweat glands can be found in all of the following areas except the:

The skin of an infant is more easily damaged by penetration or abrasion than that of an adult. Which layer is probably thinner in an infant than in an adult?

Toenails and fingernails grow at the rate of about 0.5 mm a week, but they grow faster in the winter than they do in the summer.

Besides changing the rates of metabolism, the primary means of controlling body temperature is through changes in the size of blood vessels in the skin.

A second-degree burn is characterized by:

A geneticist informs parents that their newborn infant does not have the enzyme tyrosinase. The lack of this enzyme will result in:

Melanocytes are sometimes called Langerhans cells.

Heat production occurs in two ways: metabolism of food and absorption of heat from the environment.

The skin surface area can be as large as 20 square feet in the average adult.

There is a more than fivefold increase in the rate of sebum secretion between 10 and 19 years of age.

Lanugo is usually found on a fetus or newborn.

The epidermis is referred to as the true skin.

The area referred to as true skin is the:

Cells in which layer have a high level of lysosomal enzymes in their cytoplasm?

One end of the arrector pili muscle is attached to a hair follicle.

Which skin layer is called the barrier area?

The stratum lucidum and stratum basale are sometimes referred to as the stratum germinativum.

Both the root and the lunula of the nail are covered by the cuticle and therefore cannot be seen externally.