Human Anatomy (8th Edition) - Standalone book
8th Edition
ISBN: 9780321883322
Author: Frederic H. Martini, Robert B. Tallitsch
Publisher: PEARSON
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Chapter 4, Problem 12RFT
Summary Introduction
Introduction:
Human skin color differs in shade and tone from darkest brown to the lightest tone. An individual skin color is determined by the genetic makeup of the biological parents.
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The fibrous protein that forms the basic structural compo- nent of hair and nails is (a) collagen. (b) melanin. (c) elastin. (d) keratin.
The ability of the epidermis to resist rubbing and abrasion is largely due to the presence of (a) melanin, (b) carotene, (c) collagen, (d) keratin.
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Chapter 4 Solutions
Human Anatomy (8th Edition) - Standalone book
Ch. 4 - Match each numbered item with the most closely...Ch. 4 - Match each numbered item with the most closely...Ch. 4 - Match each numbered item with the most closely...Ch. 4 - Match each numbered item with the most closely...Ch. 4 - Match each numbered item with the most closely...Ch. 4 - Match each numbered item with the most closely...Ch. 4 - Match each numbered item with the most closely...Ch. 4 - Match each numbered item with the most closely...Ch. 4 - Prob. 9RFTCh. 4 - Label the following structures on the accompanying...
Ch. 4 - The effects of aging on the skin include (a) a...Ch. 4 - Prob. 12RFTCh. 4 - Label the following structures on the accompanying...Ch. 4 - Prob. 14RFTCh. 4 - 15. The layer of the epidermis that contains cells...Ch. 4 - Prob. 16RFTCh. 4 - Prob. 17RFTCh. 4 - Prob. 18RFTCh. 4 - Prob. 19RFTCh. 4 - Explain why fair-skinned individuals have greater...Ch. 4 - Prob. 2RCCh. 4 - Stretch marks are often seen on individuals who...Ch. 4 - Prob. 4RCCh. 4 - 5. List the characteristics that make the...Ch. 4 - Prob. 6RCCh. 4 - 7. Explain what is happening to a person who is...Ch. 4 - Prob. 8RCCh. 4 - 1. You are about to undergo surgery. Explain why...Ch. 4 - Prob. 2CT
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- Skin color is determined by (a) melanin, (b) carotene, (c) oxygenation level of the blood, (d) all of these.arrow_forwardThe fibrous protein that forms the basic structural component of hair and nails is: (a) collagen. (c) elastin. (b) melanin. (d) keratin.arrow_forwardIn elderly people, blood supply to the dermis is reduced and sweat glands are less active. This combination of factors would most affect the, : (a) ability to thermoregulate. (b) ability to heal injured skin. (c) ease with which the skin is injured. (d) physical characteristics of the skin. (e) ability to grow hair.arrow_forward
- The two types of exocrine glands in the skin are: (a) merocrine and sweat glands. (b) sebaceous and sweat glands. (c) apocrine and sweat glands. (d) eccrine and sweat glands.arrow_forwardFrom the list of tissues in column B, identify the primary tissue that forms each of the structures in column A.Column A Column B(1) epidermis (a) dense irregular connective tissue (2) reticular layer of the dermis (b) dense regular connective tissue(3) hypodermis (c) areolar connective tissue(4) papillary layer of the dermis (d) epithelial tissue(5) apocrine sweat glands (e) adipose tissue(6) hair follicle(7) nailsarrow_forwardThe reticular layer of the dermis (a) provides strength and elasticity to the skin, (b) is composed of loose connective tissue, (c) insulates to prevent heat loss, (d) forms the dermal papilla.arrow_forward
- What is the major factor accounting for the waterproof nature of the skin? (a) desmosomes in stratum corneum, (b) glycolipid between stratum corneum cells, (c) the thick insulating fat of the hypodermis, (d) the leathery nature of the dermis.arrow_forwardIdentify the epidermal layer(s) in which the following cancers arise: (a) basal cell carcinoma; (b) malignant melanoma; (c) squamous cell carcinoma.arrow_forwardSweat glands that communicate with hair follicles in the armpits and produce an odorous secretion are (a) apocrine glands. (b) merocrine glands. (c) sebaceous glands. (d) a, b, and c are correct.arrow_forward
- (a) Skin is the most obvious external defense which covers the outside of the body. Explain why the following statement are related to human skin. (i) Loss of collagen leads to wrinkle formation. (ii) Epidermis layer is responsible for skin color. (iii) Body temperature is regulated through blood vessels.arrow_forwardMatch each numbered item with the most closely related lettered item.1. integument2. fingernails3. keratin4. tactile cells5. melanocytes6. keratinocytes7. epidermal dendritic cell8. subcutaneous layer9. reticular layer10. arrector pilia. smooth muscle attached to hair follicleb. most numerous epidermal cellc. a phagocytic cell (active in immune response)d. layer deep to dermise. formed from stratum corneumf. receptors for touchg. composed of epidermis and dermish. dense irregular connective tissuei. fibrous protein in epidermisj. pigment-forming cellsarrow_forwardThe layer of the epidermis characterized by active, thriving, non-dividing cells is: a) stratum basale. b) keratinocytes. c) stratum spinosum. d) stratum granulosum.arrow_forward
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