EXAM 2025 QUESTIONS AND ANSWERS
Define Aesthetikos - ANS greek word meaning perceptible to the senses
What are the effects of smoking on the skin? - ANS Depleted Vitamin C, causes free radicals,
wrinkles, aging and constricts blood vessels.
Forms of hypo pigmentation (lack of pigment) - ANS albinism, leukoderma and vitiligio.
Albinism - ANS absence of melanin
leukoderma - ANS light abnormal patches
vitiligio - ANS white spots, lack of pigment
stratum corneum - ANS keratinosites
stratum lucidum - ANS clear layer found on paid and the sole of the feet
stratum granulosum - ANS produce keratin
what is another name for basal layer? - ANS stratum germativun
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, reticular layer - ANS fibroblast with make collagen and elastin
sensitive skin - ANS skin type, genetic, unchangeable
sensitized skin - ANS is a skin condition due to external factors; sunburn, overexposure to
products
how is sensitized skin know? - ANS transient sensitivity
what are the types of skin cancers: (caused by damage to DNA) - ANS malignan melanoma,
squamous cell carcinoma and basal cell carcinoma
malignan melanoma - ANS most serious
squamous cell carcinoma - ANS more serious
casal cell carcinoma - ANS most common
UVA rays - ANS aging rays, penetrate deeper into the reticular layer. Cause cell damage.
weaken collagen and elastic. Alters DNA. causing cancer.
UVB rays - ANS burning rays, alter and destroy melanocytes, shorter but stronger, can
damage eyes.
what is an atom? - ANS smallest part of an element, particles from which matter is
composed.
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