Exam 10: Skin

Which of the following is not true about thick or thin skin?

Continual abrasion to the skin surface tends to lengthen the turnover time of the skin.

What increase in body temperature can be caused by anesthetics or muscle relaxants?

The fibers in which layer make it possible for skin to stretch and be elastic?

Albinism is the inability of the body to form melanin.

A person who is shivering would normally have dilated surface blood vessels in the skin.

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

The process of digesting food requires work from the body. Why would you expect the body temperature to rise slightly after eating a big meal?

Prolonged exposure to the sun causes melanocytes to:

The skin is a thin and relatively flat organ and is an example of a serous membrane.

Lanugo is usually found on a fetus or newborn.

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

The ability of melanocytes to darken the skin is dependent on the functioning of the enzyme tyrosinase.

If you were looking under the microscope at a slide that contains skin glands, what three kinds of microscopic glands would be present?

Which skin pigment is a light reddish color?

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

How can the regeneration time required for completion of mitosis, differentiation, and movement of new keratinocytes from the stratum basale to the surface of the epidermis be accelerated?

In what area of the body would you expect to find an especially thick stratum corneum?

Both the epidermis and the dermis continually undergo shedding and regeneration.

The keratinocytes of the skin are examples of antigen-presenting cells.