CIBTAC Skin Structure & Function

Name the 5 layers of the Epidermis from the top layer to the bottom correct answer: Stratum Corneum Stratum Lucidum Stratum Granulosum Stratum Spinosum Stratum Germinivatum Name the two substances that affect the skins elasticity and firmness. correct answer: Collagen & Elastin In which layer of the Epidermis does the keratinisation take place? correct answer: Stratum Granulosum The epidermis is a layered structure of stratified squamous epithelium. True or False correct answer: True Which cells temporarily migrate to the epidermis? correct answer: Langerhans & Lymphocytes The cell that produces melanin is called _______ ? correct answer: Melanocytes The enzyme that is involved in pigment formation is called _________? correct answer: tyrosine Pigment formation is stimulated by ________ ? correct answer: UV Rays Name the two layers found in the Dermis correct answer: Papillary & Reticular Name the 6 cells found in the Dermis, and state their function. correct answer: Mast cells - Produce histamine Hystiocytes - kill germs Melanocytes - Form melanin Fibroblast cells - Make collagen & elastin Fat cells - store fat Plasma cells - makes antibodies Name the 4 sensory nerves found in the skin and state their function. correct answer: Meissners Corpuscles- Touch Pacinian Corpuscles- Pressure Rufinis End organ- Heat Krauses End bulb- Cold Which layer of the Dermis contains collagen, elastin, nerve endings, arteries &