1) Tyrosinase is active in which epidermal layer? a) Stratum lucidum b) Stratum, granulosum c) Stratum Basale d) Stratum spinosum 2) What is the type of this cell in the epidermis? a) Melanocytes b) Langerhans cells c) Markel cells d) Keratinocyte 3) What function of sudoriferous glands? a) Secrete sebum into a hair follicle. b) Secrete sweat through a duct to the skin. c) Secrete sweat through a duct to the skin or into a hair follicle d) Secrete cerumen through a duct to the skin or into a hair follicle. 4) Which of the following statements is INCORRECT? a) Sudoriferous glands secrete sebum b) Sebaceous glands secrete oil. c) Apocrine glands secrete sweat. d) Ceruminous glands secrete cerumen. 5) Sebaceous glands are found in the _________. a) Digestive system b) Hypodermis c) Dermis d) Stratum corneum 6) Which of the following is NOT a sensory receptor of the skin? a) Meissner corpuscle b) Apocrine gland c) Root hair plexus d) Nociceptor 7) Which layer of the skin is the most superficial? a) Epidermis b) Dermis c) Papillary dermal layer d) Stratum germinativum 8) Full – thickness burns to more than 20% of the skin surface is life-threathening because of the _________. a) Body’s inability to thermoregulate. b) Loss of the ability to produce vitamin D. c) Buildup of urea and uric acid which would otherwise have been excreted by the skin d) Body’s inability to prevent water loss. 9) Which layer of the integument contains rapidly dividing keratinocytes? a) Stratum lucidum b) Papillary dermal layer c) Stratum germinativum d) Reticular dermal layer 10) The skin participates in the production of Vitamin D when which of the following occurs? When _______. a) Calcium is present. b) Signaled to by the hormone PTH. c) Exposed to ultraviolet radiation. d) The precursor molecule is produced by the liver. 11) Which one is not the type of cells in the epidermis? a) Keratinocyte b) Melanocyte c) Merkel cell d) Stratum spinosum 12) Which of the following gives the stratum corneum its structural strength? a) Melanin b) Melanosomes c) Keratin d) Actin 13) What do we find in the epidermis? a) Melanocytes b) Sweat glands c) Cutaneous plexus d) Papilary layer 14) Which of the following cells is responsible for helping the body learn and later detect allergens in the skin. a) Cornified cells b) Langerhans cells c) Merkel cells d) Fibroblasts 15) Which major gland of the skin produces a secretion that mostly produces a section that is mostly water with few salts? a) Lachrymal glands b) Sebaceous glands c) Eccrine glands d) Ceruminous glands 16) Which of the following is responsible for holding the hair in the hair follicle? a) Cuticle b) Papilla c) Shaft d) Arrector pili 17) The most common form of skin cancer is : a) Squamous cell carcinoma b) Dermatofibrosarcoma c) Basal cell carcinoma d) Merkel cell carcinoma 18) The transitional stage in the hair growth cycle is : a) Catagen b) Anagen c) Collagen d) Telogen 19) In which layer of the skin undergoes a mitotic division? a) Stratum spinosum b) Stratum granulosum c) Stratum corneum d) Stratum basale 20) What specialized form of epidermis is found over the base of the nails of the fingers? a) Lunula b) Hyponychium c) Eponychium d) Free edge 21) This layer is composed mainly of connective tissue with collagen and elastic fibres. a) Hypodermis b) Epidermis c) Dermis d) Basement membrane 22) This layer of the epidermis contains layers of flattened keratinocytes that are going through apoptosis. a) Stratum basale b) Stratum spinosum c) Stratum granulosum d) Stratum lucidum 23) The coloring in the skin; found in the epidermis. a) Pores b) Oil c) Perspiration d) Melanin 24) The sebaceous glands are found everywhere on the body except? a) Neck & Ears b) Palms & Soles c) Back d) Head 25) What area of the skin structure is responsible for “goose bump” formation of the skin? a) Meissner’s Corpuscle b) Pacinian corpuscle c) Arrector Pili Muscle d) Sensory Nerve Fiber 26) Melanocytes are typically found in which layer of the epidermis? a) Stratum Basale b) Stratum Spinosum c) Stratum Corneum d) Stratum Lucidum 27) Which cells of the epidermis produce fibrous protein keratin? a) Melanocytes b) Langerhans' Cells c) Merkel cells d) None of the above 28) The portion of the living skin on which the nail plate sits is called the _______. a) Nail bed b) Cuticle c) Matrix d) Ligament 29) The____is the whitish, half-moon shape at the base of the nail a) Sidewall b) Lunula c) Root d) Free edge 30) The___is the area where the nail plate cells are formed a) Matrix b) Lunula c) Cuticles d) Free edge

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