Ch 3- Physiology and Histology of the Skin Test With Correct Answers
What is a part of both hair and skin?A- melanin B- nerve endings C- blood vessels D- fibroblasts - ANSWER A- melanin What term does not refer to an esthetician's who specializes in the beauty and health of skin?A- specialist B- histologist C- technician D- skin therapist - ANSWER B- histologist What is microcirculation?A- the binding of a protein molecule to a glucose molecule that results in formation of damaged structures B- the circulation of blood from the heart to arterioles, to capillaries, to venules, and then back to the heart C- the dilation of the capillary walls that can result in the walls bursting D- the chronic vascular disorder characterized by varying degrees of skin redness - ANSWER B- the circulation of blood from the heart to arterioles, to capillaries, to venules, and then back to the heart Oil is secreted by __.A- follicles B- the adrenal glands 1 / 3
C- the pons D- the sebaceous glands - ANSWER D- the sebaceous glands The part of the skin that insulates is known as__.A- sebum B- fibroblasts C- melanocytes D- adipose tissue - ANSWER D- adipose tissue Virus-infected cells, foreign cells, and cancer cells are all combated by__.A- T cells B- corneocytes C- leukocytes D- Langerhans immune cells - ANSWER A- T cells When a dead protein cell that is dried out and lacks nuclei. It is called __.A- a keratinocyte B- a fibroblast C- a corneocyte D- adipose - ANSWER C- a corneocyte The ability for skin to stretch and return to firmness is caused by__.A- melanin B- collagen C- elastin D- keratin - ANSWER C- elastin The harmful effects of pollution will not be counteracted by__.A- foundation products B- growth factor serums 2 / 3
C- routine cleansing D- sun exposure - ANSWER D- sun exposure The white blood cell that digests and kills has bacteria and parasites with its enzyme is called a__.A- lamellar granule B- corneocyte C- leukocyte D- Langerhans immune cell - ANSWER C- leukocyte What enzyme stimulates melanocytes?A- collagen B- elastase C- tyrosinase D- glycation - ANSWER C- tyrosinase Evaporation, perspiration, radiation, and insulation all help the skin with__.A- absorption B- projection C- heat regulation D- excretion - ANSWER C- heat regulation What does the term epidermal growth factor refer to?A- a hormone that stimulates the production of fibroblasts B- a hormone that stimulates production of cortisol C- a hormone that stimulates skin cells to reproduce and heal D- a glycolipid material that is a natural part of the skins intercellular matrix - ANSWER C- a hormone that stimulates skin cells to reproduce and heal The layer of the epidermis that contains cells filled with keratin that resemble little grains is the__.
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