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You are watching: A saltwater solution is secreted by sebaceous glands

37. a) False. Answer is sebum. Sebaceous glands secrete oily or waxy substance, sweat glands secrete saltwater substance. b) False. Answer is keratin is founds in nails and hairs, melanin is a pigment found in skin. C) True 38. a) A black…View the full answer

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Transcribed image text: 37. For each true statement, write T. For each false statement, correct the italicized word(s) and insert your correction in the answer blank. a) A saltwater solution is secreted by sebaceous glands: b) The most abundant protein in dead epidermal structures such as hair and nails is melanin: c) Vitamin D is synthesized from cholesterol in the epidermis: 38. Using the answer choices provided, complete the following statements by inserting the appropriate letter(s) or term(s) in the answer blanks. Answer Choices: A. Arrector pili B. Hair C. Hair follicle(s) D. Sebaceous glands E. Sweat glands (merocrine) F. Sweat glands (apocrine) a) A blackhead is an accumulation of oily material produced by: b) Tiny smooth muscles attached to hair follicles that pull the hair upright during fright or cold c) A tube-like sheath formed of both epithelial and connective tissues: d) A perspiration gland that secretes substances that favor bacterial growth: is found everywhere on the body except the palms of the hands, soles of the feet, and lips, and primarily consists of dead keratinized cells. and become more active at puberty. g) Produce a watery secretion that helps cool the body: 39. Overwhelming infection is one of the most important causes of death in burn patients. What is the other major problem they face, and what are its consequences? 40. This section reviews the severity of burns. Using the key choices, select the correct burn type for each of the following descriptions. Enter your answers in the answer blanks. Answer Choices: A. First-degree burn B. Second-degree burn C. Third-degree burn a) Full-thickness burn; epidermal and dermal layers destroyed; skin is blanched: b) Blisters form: c) Epidermal damage, redness, and some pain (usually brief): d) Epidermal and some dermal damage: pain; regeneration is possible: e) Regeneration impossible, requires grafting: - 1) Pain is absent because nerve endings in the area are destroyed 41. Fill in the type of skin cancer that matches each of the following descriptions: a) Keratinocytes, not in contact with the basement membrane, develop lesions, may metastasize (spread) to other parts of the body: b) Keratinocytes at the lowest level of the epidermis invade the dermis and subcutaneous layer; least dangerous because metastasizes: c) Rare but often deadly cancer of pigment-producing cells: