Exam 5: The Integumentary System

In a condition known as sunstroke, the victim appears flushed, the skin is warm and dry, and the body temperature rises dramatically. Explain these observations based on what you know concerning the role of the skin in thermoregulation.

Figure 5- 1 The Components of the Integumentary System Use Figure 5- 1 to answer the following questions): -From what structure does sensible perspiration occur?

The skin appearance that results from dark- red hemoglobin is called______ .

Which of the following happens if body temperature rises above normal?

Melanin is produced by melanocytes within the stratum _______

The highest concentration of merocrine sweat glands is found

Why is scab formation important in wound healing?

Vitamin D3 formed within the skin has all of these effects on other organ systems, except that it

The layer of dividing cells at the base of the epidermis is the

The two components of the integumentary system are the

All of the following are true of epidermal ridges, except that they

The drug _______ increases dermal blood flow and makes the skin red.

Figure 5- 1 The Components of the Integumentary System Use Figure 5- 1 to answer the following questions): -The following are stages in the regeneration of skin following an injury. 1. blood clot/scab formation 2) cellular migration 3) epidermis covers granulation tissue 4) epidermis covers scar tissue The correct order for these events is

Figure 5- 1 The Components of the Integumentary System Use Figure 5- 1 to answer the following questions): -An intradermal injection is administered into which layer?

______are coarse pigmented hairs

Many medications can be administered transdermally by applying patches that contain the medication to the surface of the skin. These patches can be attached anywhere on the skin except the palms of the hands and the soles of the feet. Why?

In the condition known as erythema, the skin takes on an) _______ color.

_____sweat glands are widely distributed across the body surface,____ glands are located wherever hair follicles exist, and ____sweat glands are found only in a few areas.

The in keratinocytes protects the epidermis and dermis from the harmful effects of sunlight.

Explain why the rate of dehydration is greater when a person is immersed in seawater than when in fresh water.