Exam 10: Skin

Onycholysis is usually caused by:

An abnormal thickening of the stratum corneum is called hyperkeratosis.

Which is not part of a hair?

Explain the two ways in which body surface area can be estimated.

Differentiate among first-, second-, and third-degree burns.

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?

Integument and integumentary system are interchangeable terms.

Hair can become brittle and dry as a result of the:

A major distinction between second- and third-degree burns is that third-degree burns:

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

Match each layer of the epidermis with its corresponding characteristics. -Layer in which the process of keratinization begins; the cells are filled with keratohyalin

Heat loss by the skin is controlled by a negative-feedback loop.

In the healing of a wound, fibroblasts in the dermis quickly reproduce and begin forming a dense mass of new connective tissue fibers.

Match each term with its definition or description. -A genetic condition that causes the inability to produce melanin

In hospitals, frequently a sensor is put over one fingernail to determine whether the patient's blood is properly oxygenated. Explain why this evaluation is possible.

Match each term with its definition or description. -Make colored pigment for the skin

The most common type of skin cancer is:

Terminal hair is the coarse pubic and axillary hair that develops at puberty.

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

Which of the following is not true of the body's ability to regulate heat loss?