Human Anatomy
9th Edition
ISBN: 9780135168059
Author: Marieb, Elaine Nicpon, Brady, Patricia, Mallatt, Jon
Publisher: Pearson Education, Inc.,
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Chapter 5, Problem 21RQ
Explain each of these familiar phenomena in terms of what you learned in this chapter: (a) goose bumps, (b) dandruff, (c) stretch marks from gaining weight, (d) leaving �ngerprints, (e) the almost hairless body of humans, (f) getting gray hairs.
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Explain each of these familiar phenomena in terms of what you learned in this chapter: (a) pimples, (b) dandruff, (c) greasy hair and “shiny nose,” (d) stretch marks from gaining weight, (e) freckles.
Select the best answer or answers from the choices given: The epidermis provides a physical barrier due largely to the presence of (a) melanin, (b) carotene, (c) collagen, (d) keratin.
In 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.
Chapter 5 Solutions
Human Anatomy
Ch. 5 - What is the meaning of the word roots epi-, sub:...Ch. 5 - Name the �ve major functions of skin.Ch. 5 - Which layers of the epidermis contain living...Ch. 5 - Which functions of skin are performed by cells...Ch. 5 - Prob. 5CYUCh. 5 - Prob. 6CYUCh. 5 - Prob. 7CYUCh. 5 - What types of cells are found in the dermis, and...Ch. 5 - Which pigment causes the large variation in human...Ch. 5 - Prob. 10CYU
Ch. 5 - Prob. 11CYUCh. 5 - Prob. 12CYUCh. 5 - Prob. 13CYUCh. 5 - Prob. 14CYUCh. 5 - Prob. 15CYUCh. 5 - Prob. 16CYUCh. 5 - Prob. 17CYUCh. 5 - Prob. 18CYUCh. 5 - What are the two life-threatening concerns...Ch. 5 - Prob. 20CYUCh. 5 - Prob. 21CYUCh. 5 - Prob. 22CYUCh. 5 - Prob. 1RQCh. 5 - Match each epidermal layer in column B to its...Ch. 5 - The ability of the epidermis to resist rubbing and...Ch. 5 - Skin color is determined by (a) melanin, (b)...Ch. 5 - Prob. 5RQCh. 5 - Prob. 6RQCh. 5 - Use logic to deduce the answer to this question....Ch. 5 - Prob. 8RQCh. 5 - Prob. 9RQCh. 5 - Prob. 10RQCh. 5 - Prob. 11RQCh. 5 - The reticular layer of the dermis (a) provides...Ch. 5 - Match the skin structures in column B with their...Ch. 5 - Thick skin differs from thin skin in (a) the...Ch. 5 - From the list of tissues in column B, identify the...Ch. 5 - Prob. 16RQCh. 5 - Explain why thin skin is also called hairy skin,...Ch. 5 - Prob. 18RQCh. 5 - Why does skin that is exposed to sunlight age so...Ch. 5 - Explain why no skin cancers originate from stratum...Ch. 5 - Explain each of these familiar phenomena in terms...Ch. 5 - Prob. 22RQCh. 5 - List �ve functions of the skin.Ch. 5 - Prob. 24RQCh. 5 - What type of tissue(s) form each of the following...Ch. 5 - Prob. 26RQCh. 5 - Prob. 1CRCAQCh. 5 - Dean, a 40-year-old beach boy, tells you that his...Ch. 5 - Long-term patients con�ned to hospital beds are...Ch. 5 - Carmen slipped on some ice and split her chin on...Ch. 5 - A man got his �nger caught in a machine at the...Ch. 5 - Prob. 6CRCAQCh. 5 - Why are melanomas the most common type of skin...Ch. 5 - What are the harmful effects of UV radiation, and...Ch. 5 - Prob. 9CRCAQ
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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.arrow_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_forwardWhat percentage of Josh's body has fully damaged both the dermis and epidermis?arrow_forward
- Discuss the functional implications of the following structural changes in skin associated with aging. 1 less subcutaneous fat and decreased circulation in the dermis 2 decreased melanin production in the hair and skin 3 decreased cell proliferation in the hair follicle 4 reduced collagen and elastic production in the dermis 5 decreased activity of the eccrine sudoriferous glandsarrow_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_forwardSelect the best answer or answers from the choices given: An arrector pili muscle (a) is associated with each sweat gland, (b) can cause a hair to stand up straight, (c) enables each hair to be stretched when wet, (d) provides new cells for continued growth of its associated hair.arrow_forward
- 23) which of the following statements regarding the subcutaneous layer is not true? A) this layer is underneath the dermis b) this layer houses sensory receptors c) this layer acts as insulation against cold d) this layer is composed primarily of fat cellsarrow_forward24-year-old delivery driver is involved in an accident and sustains a wide abrasion over his left elbow The abrasion results in the total loss of epidermis over a large area of his left arm, but one month later, the abrasion has healed, with regrowth of the epidermis. Which of the following mechanisms accounts for the restoration of the epidermis over the abraded area? A. Growth of epidermis from hair follicles and sweat glands in the dermis B. Migration of endothelial cells from newly grown capillaries C. Transformation of dermal fibroblasts into epidermal cells D. Transformation of macrophages into epidermal cells E. Transformation of melanocytes into epidermal cellsarrow_forwardWhy are melanomas the most common type of skin cancer to metastasize? (Recall that melanocytes are formed from neural crest tissue, an embryonic tissue that wanders extensively during early development.)arrow_forward
- Which of the following is a function of the integumentary system? a) all of fhese b) to remove waste products from the blood through sweat c) to synthesize vitamin D d) to produce acidic compounds to slow bacterial growtharrow_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_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_forward
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The Integumentary System, Part 1 - Skin Deep: Crash Course Anatomy & Physiology #6; Author: CrashCourse;https://www.youtube.com/watch?v=Orumw-PyNjw;License: Standard youtube license