1) What is the largest organ of the human body? a) Heart b) Liver c) Skin d) Brain 2) Which layer of skin is the outermost? a) Dermis b) Epidermis c) Hypodermis d) Subcutaneous 3) What protein is found in hair and nails? a) Collagen b) Keratin c) Elastin d) Myosin 4) Which gland produces oil for the skin? a) Sweat gland b) Sebaceous gland c) Endocrine gland d) Pituitary gland 5) What is the function of melanin? a) Protects from UV b) Produces sweat c) Stores fat d) Regulates temperature 6) Which vitamin is synthesized by the skin? a) Vitamin A b) Vitamin C c) Vitamin D d) Vitamin E 7) What is the main function of sweat glands? a) Produce oil b) Regulate temperature c) Store fat d) Produce melanin 8) Which layer contains blood vessels? a) Epidermis b) Dermis c) Hypodermis d) Stratum corneum 9) What is the primary role of hair? a) Insulation b) Digestion c) Circulation d) Respiration 10) Which part of the nail is visible? a) Nail bed b) Nail plate c) Nail matrix d) Cuticle 11) What is the primary function of the skin? a) Protection b) Digestion c) Respiration d) Circulation 12) Which layer of skin provides insulation? a) Epidermis b) Dermis c) Hypodermis d) Stratum corneum 13) What cells produce pigment in the skin? a) Keratinocytes b) Melanocytes c) Fibroblasts d) Adipocytes 14) Which part of the skin is responsible for fingerprints? a) Epidermis b) Dermis c) Hypodermis d) Stratum basale 15) What is the function of the hypodermis? a) Stores fat b) Produces sweat c) Synthesizes vitamin D d) Protects from UV 16) Which layer of skin is responsible for sensation? a) Epidermis b) Dermis c) Hypodermis d) Stratum lucidum 17) What is the role of Langerhans cells? a) Immune response b) Produce oil c) Store fat d) Regulate temperature 18) Which structure is responsible for hair growth? a) Hair follicle b) Sebaceous gland c) Sweat gland d) Nail matrix 19) What is the function of sebum? a) Lubricates skin b) Produces sweat c) Synthesizes vitamin D d) Stores fat 20) Which layer of skin contains collagen? a) Epidermis b) Dermis c) Hypodermis d) Stratum granulosum

Skin and Its Accessories

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