Human Anatomy (9th Edition)
9th Edition
ISBN: 9780134320762
Author: Frederic H. Martini, Robert B. Tallitsch, Judi L. Nath
Publisher: PEARSON
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Chapter 4, Problem 16RFT
Summary Introduction
Introduction:
Aging is the process of programmed cell death. It means no further growth of cells occurs after a longer period. The most prominent occurrence of aging can be observed in the skin. The presence of wrinkles on the face due to the destruction of the cells are the examples of aging.
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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 (9th Edition)
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 - Weight lifters often have stretch marks. Explain...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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- Sweat 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_forwardSweat glands that communicate with hair follicles in the armpits and produce an odorous secretion are: (a) apocrine glands. (c) sebaceous glands. (b) eccrine glands. (d) a, b, and c are correct.arrow_forwardThe 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_forward
- The fibrous protein that forms the basic structural component of hair and nails is: (a) collagen. (c) elastin. (b) melanin. (d) keratin.arrow_forwardSkin color is determined by (a) melanin, (b) carotene, (c) oxygenation level of the blood, (d) all of these.arrow_forwardA). What is melanin's productive functions? B). Explain the role of sunlight Vitamin D production. C). How do sweat and sebum differ in their productive functions of skin?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_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_forwardWhen sweat evaporates from the surface of the skin, the skin cools down. Sweat helps the body maintain homeostasis with respect to temperature. However, there are two different types of sweat glands. (a) Identify the type of sweat gland that secretes sweat into the hair follicle. (b) Describe two ways in which the two types of sweat glands differ. You can start your sentences like this: The H type of sweat gland that secretes sweat into the hair follicle is... . The two types of sweat gland are different from each other because... . Respond in 2 to 3 complete sentences. Normal Enter your answer here V 204arrow_forward
- Elastic fibers of the skin are associated with the: a) papillary layer. b) reticular layer. c) keratinized layer. d) subcutaneous layer.arrow_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(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_forward
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