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Chapter 04 Plus 5 Practice Quiz
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1. Most of the hairs covering the general surface of the body are
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heavily pigmented hairs.
intermediate hairs.
terminal hairs.
none of these.
vellus hairs.
2. Which of the following is a vital function of the skin:
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it absorbs vitamin C so that the skin will not be subject to diseases
it converts modified epidermal cholesterol to vitamin D
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:
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basic
99% water, sodium chloride, and trace amounts of wastes, lactic acid, and vitamin C
solely metabolic wastes
fatty substances, proteins, antibodies, and trace amounts of minerals and vitamins
primarily uric acid
4. When smooth muscles in the walls of dermal blood vessels contract,
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blood is forced to the epidermis.
more blood enters the dermis.
the vessels' lumen enlarge.
more heat is lost.
body heat is conserved.
5. Finger-like upward projections of the dermis into the epidermis are called:
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hair bulbs
Meissner's corpuscles
hair follicles
Pacinian corpuscles
dermal papillae
6. Which type of membrane contains fluid between the visceral and perietal layers:
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synovial
cutaneous
connective
serous
mucous
7. Epidermal cells that are actively mitotic and replace superficial cells that are continually rubbed off are:
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stratum corneum cells
stratum lucidum cells
stratum granulosum cells
stratum spinosum cells
stratum germinativum cells
8. A splinter penetrates to the deepest layer of the epidermis on your foot. This layer is:
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stratum basale
stratum granulosum
stratum lucidum
stratum corneum
stratum spinosum
9. When a person becomes "pale," what is the physiologic basis?
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Increased heat causes the skin to turn red.
The blood supply to the skin decreases.
The number of red melanocytes in the skin increases.
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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lanugo
vernix
intermediate
vellus
terminal
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