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.

Why is scab formation important in wound healing?

In the condition known as erythema,the skin takes on a(n)________ color.

Skin cancer that starts in the stratum germinativum is called ________.

Each of the following statements concerning sebaceous glands and sebum is true,except one.Identify the exception.

A bruise turns "black and blue" because of ________ in the dermis.

Cyanosis signifies that a patient

Four signs useful for determining if a suspicious mark on the skin is melanoma follow the ABCD mnemonic.Identify what each letter abbreviates.

Skin can regenerate effectively even after considerable damage has occurred because

While walking barefoot on the beach,Joe stepped on a thorn that penetrated through the sole of his foot to the dermis.How many layers of epidermis did the thorn penetrate?

Scar tissue is the result of

The ________ glands in the axilla become active at the time of puberty.

Why would an elderly person be more prone to skin infections than a younger person?

The pigment found in vegetables that can make the skin appear orange or yellow is called ________.

________ 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.

________ are cells in the epidermis that are part of the immune system.

Figure 5-1 The Components of the Integumentary System Use Figure 5-1 to answer the following questions: -Which tissue is located in the region labeled "2"?

The substance called sebum is commonly known as ________.

Merocrine sweat glands

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