Physiology and Histology of the Skin-Esthetics

Physiology and Histology of the Skin-Esthetics Questions And Answers
2025\2026




Dermis - CORRECT ANSWER-Where in the skin are lymph vessels located?


It is the deepest layer of the dermis - CORRECT ANSWER-What is true of the
reticular layer of the skin?


While causing oxidation reactions - CORRECT ANSWER-When do free radicals
produce more free radicals?


Pigment-carrying granules that produce melanin - CORRECT ANSWER-Define
melanosomes


Melanin - CORRECT ANSWER-What protein determines hair, eye and skin color?


It is the top layer of the dermis - CORRECT ANSWER-What is true of the papillary
layer of the skin?


25 - CORRECT ANSWER-How many times thicker is the epidermis than the dermis?


Cells that produce skin pigment granules in the basal layer - CORRECT ANSWER-
Define melanocytes

, Sun exposure - CORRECT ANSWER-What causes skin cells built-in antioxidants to
lose their ability to protect cells?


Pores - CORRECT ANSWER-What term do clients commonly use when referring to
follicles?


Epidermal cells composed of keratin, lipids, and other proteins - CORRECT
ANSWER-What are keratinocytes?


Stimulates cells, collagen, and amino acids that form protein - CORRECT ANSWER-
What is the function of fibroblast?


Eumelanin and pheomelanin - CORRECT ANSWER-Name the two melanin's in the
body


Protection, sensation, heat regulation, excretion, secretion and absorption -
CORRECT ANSWER-What are the six primary functions of the skin?


Epidermal growth factor - CORRECT ANSWER-What hormone stimulates cells to
reproduce and heal?


Epidermis - CORRECT ANSWER-What is the outermost layer of the skin?


Stimulates melanocytes and thus produces melanin - CORRECT ANSWER-What
function does the enzyme tyrosinase perform?