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Prepared by Frank J. Torrano, American River College © 2013 Pearson Education, Inc. Chapter 5: The Integumentary System Skin Color/ Sunlight/ Vitamin D.

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Presentation on theme: "Prepared by Frank J. Torrano, American River College © 2013 Pearson Education, Inc. Chapter 5: The Integumentary System Skin Color/ Sunlight/ Vitamin D."— Presentation transcript:

1 Prepared by Frank J. Torrano, American River College © 2013 Pearson Education, Inc. Chapter 5: The Integumentary System Skin Color/ Sunlight/ Vitamin D Dermis and Hypodermis Epidermis Accessory Structure and Injuries Glands and Secretions of the Skin $200 $100 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 FINAL ROUND

2 © 2013 Pearson Education, Inc. Melanocytes reside in which layer of the epidermis? a.stratum spinosum b.stratum lucidum c.stratum granulosum d.stratum basale Skin Color/Sunlight/Vitamin D: $100 Question ANSWER BACK TO GAME

3 © 2013 Pearson Education, Inc. Melanocytes reside in which layer of the epidermis? a.stratum spinosum b.stratum lucidum c.stratum granulosum d.stratum basale Skin Color/Sunlight/Vitamin D: $100 Answer BACK TO GAME

4 © 2013 Pearson Education, Inc. Eating squash and carrots can turn the skin of lighter individuals orange due to the ingestion of a.melanin. b.vitamin C. c.vitamin A. d.carotene. Skin Color/Sunlight/Vitamin D: $200 Question ANSWER BACK TO GAME

5 © 2013 Pearson Education, Inc. Eating squash and carrots can turn the skin of lighter individuals orange due to the ingestion of a.melanin. b.vitamin C. c.vitamin A. d.carotene. Skin Color/Sunlight/Vitamin D: $200 Answer BACK TO GAME

6 © 2013 Pearson Education, Inc. Which skin cancer originates in the deepest layer of the epidermis? a.squamous cell carcinoma b.malignant adenoma c.basal cell carcinoma d.lymphoma Skin Color/Sunlight/Vitamin D: $300 Question ANSWER BACK TO GAME

7 © 2013 Pearson Education, Inc. Which skin cancer originates in the deepest layer of the epidermis? a.squamous cell carcinoma b.malignant adenoma c.basal cell carcinoma d.lymphoma Skin Color/Sunlight/Vitamin D: $300 Answer BACK TO GAME

8 © 2013 Pearson Education, Inc. Where would cyanosis be most apparent during a sustained reduction in circulatory supply? a.lips and ears b.in the popliteal fossae c.beneath the nails d.lips, ears, and beneath nails Skin Color/Sunlight/Vitamin D: $400 Question ANSWER BACK TO GAME

9 © 2013 Pearson Education, Inc. Where would cyanosis be most apparent during a sustained reduction in circulatory supply? a.lips and ears b.in the popliteal fossae c.beneath the nails d.lips, ears, and beneath nails Skin Color/Sunlight/Vitamin D: $400 Answer BACK TO GAME

10 © 2013 Pearson Education, Inc. Which of the following organs converts a precursor molecule into calcitriol, a hormone that is essential for calcium and phosphate absorption? a.kidneys b.liver c.adrenals d.thyroid Skin Color/Sunlight/Vitamin D: $500 Question ANSWER BACK TO GAME

11 © 2013 Pearson Education, Inc. Which of the following organs converts a precursor molecule into calcitriol, a hormone that is essential for calcium and phosphate absorption? a.kidneys b.liver c.adrenals d.thyroid Skin Color/Sunlight/Vitamin D: $500 Answer BACK TO GAME

12 © 2013 Pearson Education, Inc. Which fiber type extends from the dermis into the superficial papillary layer, as well as into the deeper hypodermis? a.elastic fibers b.reticular fibers c.adipose fibers d.collagen fibers Dermis and Hypodermis: $100 Question ANSWER BACK TO GAME

13 © 2013 Pearson Education, Inc. Which fiber type extends from the dermis into the superficial papillary layer, as well as into the deeper hypodermis? a.elastic fibers b.reticular fibers c.adipose fibers d.collagen fibers Dermis and Hypodermis: $100 Answer BACK TO GAME

14 © 2013 Pearson Education, Inc. Subcutaneous injections are made in the a.reticular layer of the dermis. b.papillary layer of the dermis. c.stratum basale of the epidermis. d.hypodermis. Dermis and Hypodermis: $200 Question ANSWER BACK TO GAME

15 © 2013 Pearson Education, Inc. Subcutaneous injections are made in the a.reticular layer of the dermis. b.papillary layer of the dermis. c.stratum basale of the epidermis. d.hypodermis. Dermis and Hypodermis: $200 Answer BACK TO GAME

16 © 2013 Pearson Education, Inc. The hypodermis consists of which of the following? a.loose connective tissue b.dense regular connective tissue c.loosely packed epithelial tissue d.dense irregular connective tissue Dermis and Hypodermis: $300 Question ANSWER BACK TO GAME

17 © 2013 Pearson Education, Inc. The hypodermis consists of which of the following? a.loose connective tissue b.dense regular connective tissue c.loosely packed epithelial tissue d.dense irregular connective tissue Dermis and Hypodermis: $300 Answer BACK TO GAME

18 © 2013 Pearson Education, Inc. Which layer consists of an interwoven meshwork of dense, irregular connective tissue? a.stratum basale b.reticular layer of the dermis c.stratum corneum d.papillary layer of the dermis Dermis and Hypodermis: $400 Question ANSWER BACK TO GAME

19 © 2013 Pearson Education, Inc. Which layer consists of an interwoven meshwork of dense, irregular connective tissue? a.stratum basale b.reticular layer of the dermis c.stratum corneum d.papillary layer of the dermis Dermis and Hypodermis: $400 Answer BACK TO GAME

20 © 2013 Pearson Education, Inc. Which of the following statement(s) regarding the hypodermis is/are true? a.The border between the dermis and hypodermis is distinct. b.It stabilizes the position of the skin relative to skeletal muscles and other organs. c.It does not permit independent movement. d.All of the statements are true. Dermis and Hypodermis: $500 Question ANSWER BACK TO GAME

21 © 2013 Pearson Education, Inc. Which of the following statement(s) regarding the hypodermis is/are true? a.The border between the dermis and hypodermis is distinct. b.It stabilizes the position of the skin relative to skeletal muscles and other organs. c.It does not permit independent movement. d.All of the statements are true. Dermis and Hypodermis: $500 Answer BACK TO GAME

22 © 2013 Pearson Education, Inc. Cells found in the stratum basale, which send cytoplasmic processes between epithelial cells, are called a.keratinocytes. b.granule cells. c.cells of Langerhans. d.melanocytes. Epidermis: $100 Question ANSWER BACK TO GAME

23 © 2013 Pearson Education, Inc. Cells found in the stratum basale, which send cytoplasmic processes between epithelial cells, are called a.keratinocytes. b.granule cells. c.cells of Langerhans. d.melanocytes. Epidermis: $100 Answer BACK TO GAME

24 © 2013 Pearson Education, Inc. In which layer of the epidermis do cells stop dividing and start making large amounts of keratin? a.stratum lucidum b.stratum spinosum c.stratum granulosum d.stratum corneum Epidermis: $200 Question ANSWER BACK TO GAME

25 © 2013 Pearson Education, Inc. In which layer of the epidermis do cells stop dividing and start making large amounts of keratin? a.stratum lucidum b.stratum spinosum c.stratum granulosum d.stratum corneum Epidermis: $200 Answer BACK TO GAME

26 © 2013 Pearson Education, Inc. Which stratum of the epidermis consists of 15-30 layers of flat, dead cells connected by desmosomes? a.stratum spinosum b.stratum corneum c.stratum basale d.stratum granulosum Epidermis: $300 Question ANSWER BACK TO GAME

27 © 2013 Pearson Education, Inc. Which stratum of the epidermis consists of 15-30 layers of flat, dead cells connected by desmosomes? a.stratum spinosum b.stratum corneum c.stratum basale d.stratum granulosum Epidermis: $300 Answer BACK TO GAME

28 © 2013 Pearson Education, Inc. The superficial ridges that overlie the dermal papillae a.increase friction only. b.increase skin surface area only. c.provide a barrier to microorganisms. d.increase friction and increase skin surface area. Epidermis: $400 Question ANSWER BACK TO GAME

29 © 2013 Pearson Education, Inc. The superficial ridges that overlie the dermal papillae a.increase friction only. b.increase skin surface area only. c.provide a barrier to microorganisms. d.increase friction and increase skin surface area. Epidermis: $400 Answer BACK TO GAME

30 © 2013 Pearson Education, Inc. The stratum granulosum consists of cells that have stopped dividing and are producing large amounts of a.melanin. b.keratin. c.carotene. d.melanin and keratin. Epidermis: $500 Question ANSWER BACK TO GAME

31 © 2013 Pearson Education, Inc. The stratum granulosum consists of cells that have stopped dividing and are producing large amounts of a.melanin. b.keratin. c.carotene. d.melanin and keratin. Epidermis: $500 Answer BACK TO GAME

32 © 2013 Pearson Education, Inc. ________ are coiled tubular glands that discharge their secretions directly onto the surface of the skin. a.Apocrine sweat glands b.Ceruminous glands c.Merocrine sweat glands d.Ceruminous and merocrine sweat glands Glands and Secretions of the Skin: $100 Question ANSWER BACK TO GAME

33 © 2013 Pearson Education, Inc. ________ are coiled tubular glands that discharge their secretions directly onto the surface of the skin. a.Apocrine sweat glands b.Ceruminous glands c.Merocrine sweat glands d.Ceruminous and merocrine sweat glands Glands and Secretions of the Skin: $100 Answer BACK TO GAME

34 © 2013 Pearson Education, Inc. Contraction of the arrector pili muscles results in secretion from which gland type? a.sebaceous glands b.apocrine glands c.merocrine glands d.sudoriferous glands Glands and Secretions of the Skin: $200 Question ANSWER BACK TO GAME

35 © 2013 Pearson Education, Inc. Contraction of the arrector pili muscles results in secretion from which gland type? a.sebaceous glands b.apocrine glands c.merocrine glands d.sudoriferous glands Glands and Secretions of the Skin: $200 Answer BACK TO GAME

36 © 2013 Pearson Education, Inc. What is/are the function(s) of perspiration? a.excretion of water and electrolytes b.lowering of body temperature c.dilution of harmful chemicals d.All of the answers are correct. Glands and Secretions of the Skin: $300 Question ANSWER BACK TO GAME

37 © 2013 Pearson Education, Inc. What is/are the function(s) of perspiration? a.excretion of water and electrolytes b.lowering of body temperature c.dilution of harmful chemicals d.All of the answers are correct. Glands and Secretions of the Skin: $300 Answer BACK TO GAME

38 © 2013 Pearson Education, Inc. Human adult skin normally possesses how many merocrine sweat glands? a.2 to 5 million b.100 to 200 million c.150,000 to 400,000 d.500,000 to 1 million Glands and Secretions of the Skin: $400 Question ANSWER BACK TO GAME

39 © 2013 Pearson Education, Inc. Human adult skin normally possesses how many merocrine sweat glands? a.2 to 5 million b.100 to 200 million c.150,000 to 400,000 d.500,000 to 1 million Glands and Secretions of the Skin: $400 Answer BACK TO GAME

40 © 2013 Pearson Education, Inc. Acne results from the blockage of ducts in which glands? a.merocrine sweat glands b.sebaceous glands c.apocrine sweat glands d.None of the answers is correct. Glands and Secretions of the Skin: $500 Question ANSWER BACK TO GAME

41 © 2013 Pearson Education, Inc. Acne results from the blockage of ducts in which glands? a.merocrine sweat glands b.sebaceous glands c.apocrine sweat glands d.None of the answers is correct. Glands and Secretions of the Skin: $500 Answer BACK TO GAME

42 © 2013 Pearson Education, Inc. A burn injury in which all epidermal and dermal cells are killed is classified as a.first-degree. b.second-degree. c.third-degree. d.partial-thickness. Accessory Structure and Injuries: $100 Question ANSWER BACK TO GAME

43 © 2013 Pearson Education, Inc. A burn injury in which all epidermal and dermal cells are killed is classified as a.first-degree. b.second-degree. c.third-degree. d.partial-thickness. Accessory Structure and Injuries: $100 Answer BACK TO GAME

44 © 2013 Pearson Education, Inc. Which wound type heals most quickly? a.abrasions b.scrapes c.incisions d.abrasions and scrapes Accessory Structure and Injuries: $200 Question ANSWER BACK TO GAME

45 © 2013 Pearson Education, Inc. Which wound type heals most quickly? a.abrasions b.scrapes c.incisions d.abrasions and scrapes Accessory Structure and Injuries: $200 Answer BACK TO GAME

46 © 2013 Pearson Education, Inc. During wound repair, which cells divide to produce mobile cells that invade the deeper area of injury? a.melanocytes and macrophages b.macrophages and keratinocytes c.keratinocytes and melanocytes d.fibroblasts and connective tissue stem cells Accessory Structure and Injuries: $300 Question ANSWER BACK TO GAME

47 © 2013 Pearson Education, Inc. During wound repair, which cells divide to produce mobile cells that invade the deeper area of injury? a.melanocytes and macrophages b.macrophages and keratinocytes c.keratinocytes and melanocytes d.fibroblasts and connective tissue stem cells Accessory Structure and Injuries: $300 Answer BACK TO GAME

48 © 2013 Pearson Education, Inc. During wound repair, cells from which layer rapidly divide and begin to migrate along the wound periphery to replace missing epidermal cells? a.stratum lucidum b.stratum spinosum c.stratum basale d.reticular layer Accessory Structure and Injuries: $400 Question ANSWER BACK TO GAME

49 © 2013 Pearson Education, Inc. During wound repair, cells from which layer rapidly divide and begin to migrate along the wound periphery to replace missing epidermal cells? a.stratum lucidum b.stratum spinosum c.stratum basale d.reticular layer Accessory Structure and Injuries: $400 Answer BACK TO GAME

50 © 2013 Pearson Education, Inc. Calluses form on the palms after manual labor due to a.dissolution of the scab. b.cells of the stratum basale dividing more rapidly. c.thickening of the epithelium. d.cells of the stratum basale dividing more rapidly and thickening of the epithelium. Accessory Structure and Injuries: $500 Question ANSWER BACK TO GAME

51 © 2013 Pearson Education, Inc. Calluses form on the palms after manual labor due to a.dissolution of the scab. b.cells of the stratum basale dividing more rapidly. c.thickening of the epithelium. d.cells of the stratum basale dividing more rapidly and thickening of the epithelium. Accessory Structure and Injuries: $500 Answer BACK TO GAME

52 © 2013 Pearson Education, Inc. What is the correct order of events in skin repair? 1 - Fibrin clot disintegrates, and phagocytic activity at the site ends. 2 - Fibroblasts continue to create scar tissue that will elevate the overlying epidermis. 3 - Cells of the stratum basale migrate along the wound periphery, and clotting partially isolates the region. 4 - Bleeding occurs at the injury site, and mast cells trigger an inflammatory response. a.4-3-1-2 b.2-1-3-4 c.4-3-2-1 d.4-1-3-2 FINAL ROUND Question ANSWER BACK TO GAME

53 © 2013 Pearson Education, Inc. What is the correct order of events in skin repair? 1 - Fibrin clot disintegrates, and phagocytic activity at the site ends. 2 - Fibroblasts continue to create scar tissue that will elevate the overlying epidermis. 3 - Cells of the stratum basale migrate along the wound periphery, and clotting partially isolates the region. 4 - Bleeding occurs at the injury site, and mast cells trigger an inflammatory response. a.4-3-1-2 b.2-1-3-4 c.4-3-2-1 d.4-1-3-2 FINAL ROUND Answer BACK TO GAME


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