Unit 04 Practice Quiz
Your LAST Name:
1. Most of the hairs covering the general surface of the body are
heavily pigmented hairs.
none of these.
2. Which of the following is a vital function of the skin:
it converts modified epidermal cholesterol to vitamin D
it absorbs vitamin C so that the skin will not be subject to diseases
the cells of the epidermis store glucose as glycogen for energy
it aids in the transport of materials throughout the body
it aids in desiccation
3. The secretions of the eccrine glands are:
primarily uric acid
solely metabolic wastes
99% water, sodium chloride, and trace amounts of wastes, lactic acid, and vitamin C
fatty substances, proteins, antibodies, and trace amounts of minerals and vitamins
4. When smooth muscles in the walls of dermal blood vessels contract,
more heat is lost.
body heat is conserved.
the vessels' lumen enlarge.
blood is forced to the epidermis.
more blood enters the dermis.
5. Finger-like upward projections of the dermis into the epidermis are called:
6. Which type of membrane contains fluid between the visceral and perietal layers:
7. Epidermal cells that are actively mitotic and replace superficial cells that are continually rubbed off are:
stratum spinosum cells
stratum germinativum cells
stratum lucidum cells
stratum corneum cells
stratum granulosum cells
8. A splinter penetrates to the deepest layer of the epidermis on your foot. This layer is:
9. When a person becomes "pale," what is the physiologic basis?
The number of red melanocytes in the skin increases.
Increased heat causes the skin to turn red.
The blood supply to the skin decreases.
Melanocytes increase production of red pigments.
The blood supply to the skin increases.
10. Which of the following terms refers to fine hairs grown on the fetus?
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