Estheticians Skin Disorders Review Practice Test.

Estheticians Skin Disorders Review Practice Test. Dermatology - CORRECT ANSWER is the branch of medical science that studies and treats the skin and its disorders and diseases. Dermatologist - CORRECT ANSWER is a physician who treats these disorders and diseases. Estheticians are not licensed to diagnose skin conditions, disorders or diseases; only physicians are licensed to diagnose them. Lesions - CORRECT ANSWER are structural changes in the tissue cause by damage or injury. Primary Lesions - CORRECT ANSWER are characterized by flat, nonpalpable changes in skin color such as macules or patches, or and elevation formed by fluid in a cavity, such as vesicles, bullae, or pustules. bulla (bullae) - CORRECT ANSWER a large blister containing watery fluid it is similar to a vesicle, but larger. cyst - CORRECT ANSWER a closed, abnormally developed sac containing fluid, infection, or other matter above or below the skin, An acne cyst is one type of cyst. Macule - CORRECT ANSWER A flat spot or discoloration on the skin, such as a freckle, macules are neither raised nor sunken. Papule - CORRECT ANSWER a pimple; small elevation on the skin that contains no fluid , but may develop pus. Pustule - CORRECT ANSWER an inflamed papule with a white or yellow center containing pus, a fluid consisting of white blood cells, bacteria, and other debris produced from an infection.