Chapter 5 — The Integumentary System $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Skin Color/ Sunlight/ Vitamin D Dermis and Hypodermis Epidermis Glands and Secretions of the Skin Accessory Structure and Injuries FINAL ROUND

Topic 1: $100 Question Individuals with fair skin should use sunblock with a sun protection factor (SPF) of: a. 10 to 20. b. 20 to 30. c. 15 to 20. d. 10 to 15. BACK TO GAME ANSWER

Topic 1: $100 Answer Individuals with fair skin should use sunblock with a sun protection factor (SPF) of: a. 10 to 20. b. 20 to 30. c. 15 to 20. d. 10 to 15. BACK TO GAME

Topic 1: $200 Question 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 BACK TO GAME ANSWER

Topic 1: $200 Answer 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 BACK TO GAME

Topic 1: $300 Question Which skin cancer originates in the deepest layer of the epidermis? a. squamous cell carcinoma b. malignant adenoma c. basal cell carcinoma d. lymphoma BACK TO GAME ANSWER

Topic 1: $300 Answer Which skin cancer originates in the deepest layer of the epidermis? a. squamous cell carcinoma b. malignant adenoma c. basal cell carcinoma d. lymphoma BACK TO GAME

Topic 1: $400 Question 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. a and c BACK TO GAME ANSWER

Topic 1: $400 Answer 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. a and c BACK TO GAME

Topic 1: $500 Question 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 BACK TO GAME ANSWER

Topic 1: $500 Answer 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 BACK TO GAME

Topic 2: $100 Question Which types of fibers extend from the dermis into the superficial papillary layer, as well as into the deeper subcutaneous layer? a. elastic fibers b. reticular fibers c. adipose fibers d. collagen fibers BACK TO GAME ANSWER

Topic 2: $100 Answer Which types of fibers extend from the dermis into the superficial papillary layer, as well as into the deeper subcutaneous layer? a. elastic fibers b. reticular fibers c. adipose fibers d. collagen fibers BACK TO GAME

Topic 2: $200 Question The dermis contains: a. mixed cell populations of connective tissue proper. b. elastic fibers. c. collagen fibers. d. All of the above. BACK TO GAME ANSWER

Topic 2: $200 Answer The dermis contains: a. mixed cell populations of connective tissue proper. b. elastic fibers. c. collagen fibers. d. All of the above. BACK TO GAME

Topic 2: $300 Question 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 BACK TO GAME ANSWER

Topic 2: $300 Answer 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 BACK TO GAME

Topic 2: $400 Question Which layer consists of an interwoven meshwork of dense, irregular connective tissue? a. Stratum germinativum b. Reticular layer of the dermis c. Stratum corneum d. Papillary layer of the dermis BACK TO GAME ANSWER

Topic 2: $400 Answer Which layer consists of an interwoven meshwork of dense, irregular connective tissue? a. Stratum germinativum b. Reticular layer of the dermis c. Stratum corneum d. Papillary layer of the dermis BACK TO GAME

Topic 2: $500 Question Which 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 above are true. BACK TO GAME ANSWER

Topic 2: $500 Answer Which 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 above are true. BACK TO GAME

Topic 3: $100 Question The cells found in the stratum germinativum, which send cytoplasmic processes between epithelial cells, are called _________. a. keratinocytes b. granule cells c. cells of Langerhans d. melanocytes BACK TO GAME ANSWER

Topic 3: $100 Answer The cells found in the stratum germinativum, which send cytoplasmic processes between epithelial cells, are called _________. a. keratinocytes b. granule cells c. cells of Langerhans d. melanocytes BACK TO GAME

Topic 3: $200 Question Which stratum of the epidermis consists of dead cells that are tightly connected by desmosomes? a. stratum lucidum b. stratum spinosum c. stratum granulosum d. stratum corneum BACK TO GAME ANSWER

Topic 3: $200 Answer Which stratum of the epidermis consists of dead cells that are tightly connected by desmosomes? a. stratum lucidum b. stratum spinosum c. stratum granulosum d. stratum corneum BACK TO GAME

Topic 3: $300 Question Which stratum of the epidermis forms epidermal ridges? a. stratum spinosum b. stratum corneum c. stratum germinativum d. stratum granulosum BACK TO GAME ANSWER

Topic 3: $300 Answer Which stratum of the epidermis forms epidermal ridges? a. stratum spinosum b. stratum corneum c. stratum germinativum d. stratum granulosum BACK TO GAME

Topic 3: $400 Question What is/are the function(s) of the superficial ridges that overlie the dermal papillae? a. increase friction b. increase surface area of the skin c. provide a barrier to microorganisms d. a and b BACK TO GAME ANSWER

Topic 3: $400 Answer What is/are the function(s) of the superficial ridges that overlie the dermal papillae? a. increase friction b. increase surface area of the skin c. provide a barrier to microorganisms d. a and b BACK TO GAME

Topic 3: $500 Question 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 BACK TO GAME ANSWER

Topic 3: $500 Answer 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 BACK TO GAME

Topic 4: $100 Question Coiled tubular glands that discharge their secretions onto the surface of the skin are called _________. a. apocrine sweat glands b. ceruminous glands c. merocrine sweat glands d. b and c BACK TO GAME ANSWER

Topic 4: $100 Answer Coiled tubular glands that discharge their secretions onto the surface of the skin are called _________. a. apocrine sweat glands b. ceruminous glands c. merocrine sweat glands d. b and c BACK TO GAME

Topic 4: $200 Question 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 BACK TO GAME ANSWER

Topic 4: $200 Answer 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 BACK TO GAME

Topic 4: $300 Question 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 above. BACK TO GAME ANSWER

Topic 4: $300 Answer 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 above. BACK TO GAME

Topic 4: $400 Question 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 BACK TO GAME ANSWER

Topic 4: $400 Answer 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 BACK TO GAME

Topic 4: $500 Question Mammary glands are structurally related to which of the following? a. merocrine sweat glands b. sebaceous glands c. apocrine sweat glands d. a and b BACK TO GAME ANSWER

Topic 4: $500 Answer Mammary glands are structurally related to which of the following? a. merocrine sweat glands b. sebaceous glands c. apocrine sweat glands d. a and b BACK TO GAME

Topic 5: $100 Question Where does nail production occur? a. at the nail bed b. at the nail root c. in the eponychium d. in the cuticle BACK TO GAME ANSWER

Topic 5: $100 Answer Where does nail production occur? a. at the nail bed b. at the nail root c. in the eponychium d. in the cuticle BACK TO GAME

Topic 5: $200 Question Which type of wound heals the most quickly? a. abrasion b. scrape c. incision d. a and b BACK TO GAME ANSWER

Topic 5: $200 Answer Which type of wound heals the most quickly? a. abrasion b. scrape c. incision d. a and b BACK TO GAME

Topic 5: $300 Question 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 BACK TO GAME ANSWER

Topic 5: $300 Answer 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 BACK TO GAME

Topic 5: $400 Question 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 germinativum d. reticular layer BACK TO GAME ANSWER

Topic 5: $400 Answer 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 germinativum d. reticular layer BACK TO GAME

Topic 5: $500 Question Why do calluses form on the palms after manual labor? a. due to the dissolution of the scab b. due to the cells of the stratum germinativum dividing more rapidly c. due to a thickening of the epithelium d. b and c BACK TO GAME ANSWER

Topic 5: $500 Answer Why do calluses form on the palms after manual labor? a. due to the dissolution of the scab b. due to the cells of the stratum germinativum dividing more rapidly c. due to a thickening of the epithelium d. b and c BACK TO GAME

FINAL ROUND Question Which 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 germinativum 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 b c d BACK TO GAME ANSWER

FINAL ROUND Answer Which 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 germinativum 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 b c d BACK TO GAME