ch5 - The Integumentary System MULTIPLE CHOICE. Choose the...

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Unformatted text preview: The Integumentary System MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Each of the following is a function of the integumentary system, except A) protection of underlying tissue. B) excretion of salts and wastes. C) synthesis of vitamin C. D) provision of sensation. E) maintenance of body temperature. 1) 2) The two components of the integumentary system are the A) epidermis and superficial fascia. B) cutaneous membrane and hypodermis. C) integument and hypodermis. D) epidermis and dermis. E) cutaneous membrane and accessory structures. 2) 3) Accessory structures of the skin include all of the following, except A) hair follicles. B) sebaceous glands. C) nails. D) epidermis. E) sweat glands. 3) 4) The type of cells that form the strata in the epidermis are A) adipocytes. B) melanocytes. C) dendritic cells. D) fibroblasts. E) keratinocytes. 4) 5) The layer of dividing cells at the base of the epidermis is the A) stratum germinativum. B) stratum granulosum. C) stratum corneum. D) stratum lucidum. E) stratum spinosum. 5) 6) The tough "horny" superficial layer of the epidermis is known as the A) stratum germinativum. B) stratum granulosum. C) stratum lucidum. D) stratum corneum. E) stratum spinosum. 6) 7) Large quantities of keratin are found in the epidermal layer called the A) stratum spinosum. B) stratum granulosum. C) stratum germinativum. D) stratum corneum. E) stratum lucidum. 7) 1 8) Water loss due to evaporation of fluid that has penetrated through the skin is termed ________ perspiration. A) sensible B) active C) inactive D) latent E) insensible 8) 9) The layer of the epidermis that contains abundant desmosomes is the A) stratum germinativum. B) stratum lucidum. C) stratum spinosum. D) stratum granulosum. E) stratum corneum. 9) 10) An albino individual lacks the ability to produce A) carotene. B) keratin. C) melanin. D) eleidin. E) perspiration. 10) 11) Which of the following is not an effect of ultraviolet radiation? A) vitiligo B) increased activity by melanocytes C) chromosomal damage in germinative cells or melanocytes D) production of cholecalciferol within epidermal cells E) wrinkles 11) 12) All of the following are true of the pigment melanin, except that it A) is produced by cells called melanocytes. B) is usually some shade of brown or black. C) protects DNA from the damaging effects of UV radiation. D) increases with increased levels of the hormone MSH. E) decreases in concentration within cells during exposure to the sun. 12) 13) The layer of the skin that contains the blood vessels and nerves that are closest to the surface of the skin is the ________ layer. A) subcutaneous B) reticular C) epidermal D) hypodermal E) papillary 13) 14) The layer of the skin that contains bundles of collagen and elastic fibers responsible for the strength of the skin is the ________ layer....
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This note was uploaded on 09/21/2011 for the course BIOL 2401 taught by Professor Rameriz during the Spring '11 term at University of Texas at Dallas, Richardson.

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ch5 - The Integumentary System MULTIPLE CHOICE. Choose the...

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