What is a steatoma? >> Sebaceous cyst of subcutaneous tumor filled with sebum The cause of acne vulgaris is >> Chronic inflammation of hair follicles and associated sebaceous glands, 1. hormone associated increase in sebum production and excess keratin production block follicles, forming comedones What are levels of color >> Lightness to darkness What is seborrhea? >> Severe oiliness of the skin What is a subjective symptom found during a skin analysis? >> Inflamed skin What are subjective symptoms? >> A symptom apparent to the individual afflicted but not observable by others Acid-balanced shampoo >> Shampoo that is balanced to the pH of skin and hair (4.5 to 5.5) Set of the shears >> The manner in which the blades and shanks of the shears align with each other and are joined at the tension screw or rivet Highest form on decontamination >> sterilization Tinea favosa >> (tinea favus) fungal infection characterized by dry, sulfur-yellow, cuplike crusts on the scalp called scutula. Good skin has a balance of >> Oil and water pH of temporary hair color >> 3.5-4.5 Natural pH of hair >> 4.5-5.5 Sinusoidal current is used during: >> scalp and facial manipulations Sinusoidal current is >> A smooth, repetitive alternating current; the most commonly used alternating current waveform, used in the high frequency machine and can produce heat. Four types of muscle tissue >> epithelial, connective, muscle, nerve To hone is >> to sharpen The aponeurosis is found on what part of the skull >> top of the skull Stages of hair growth >> anagen, catagen, telogen OSHA stands for >> Occupational Safety and Health Administration What does OSHA do? >> Sets standards for a safe and healthy workplace. MSDS (Material Safety Data Sheet) >> Provides communication to workers regarding chemicals used in the office What is the shoulder of a blade? >> back edge of the razor Your client has sensitive, irritated, chapped and blistered skin >> Do not proceed with a shave What are the three layers of hair? >> cuticle, cortex, medulla Alkaline solutions have a pH >> between 7 and 14 Acid solutions have a pH >> below 7.0 (neutral) Alkaline solutions >> Soften, swell the hair and open the cuticle What does a tail end of a surfactant do >> attracts dirt and oil and repels water When do you not perform a face shave? >> When cuts, abrasion, and rash are present Three types of nerves >> sensory, motor, autonomic The grind of a razor refers to the shape of the: >> blade What is the grind of the razor? >> The shape of the blade after it has been ground There are 2 types of razor grinds: Concave and Wedge To avoid damage, massage should be directed >> Towards the origin of the muscle. Origin fixed attached buccinator muscle >> Thin, flat muscle of the cheek between the upper and lower jaw that compresses the cheeks and expels air between the lips. What bacteria grows in clusters that causes abcesses, pustules, and boils? >> staphylococci Petrissage >> Kneading movement performed by lifting, squeezing, and pressing the tissue with a light, firm pressure. What tendon connects the epicranius muscle >> the epicranial aponeurosis What is used after a high frequency treatment? >> Alcohol based toner Strand test >> Determines how the hair will react to the color formula and how long the formula should be left on the hair. patch test >> a test in which a substance is applied topically to the skin on a small piece of blotting paper or wet cloth How long before applying permanent hair color should you perform a P.D. test >> 24-48 hours Name the types of cutting edges of the shears ? >> Convex and beveled Blood spill procedure >> -Put on gloves -Clean area with antiseptic -Apply bandage -Dispose of everything in double-bagged procedure, and place in trash (or sharps container if you work at a Dr's office/hospital). What do you do if you cut someone during a service? >> Stop the service, put on gloves, and treat the cut What bacteria causes disease of infection? >> Pathogenic Blood borne pathogens >> Disease-causing organisms transferred through contact with blood or other body fluids such as Hepatitis or HIV What is required for hospital grade disinfectant? >> Effective against bacteria, fungi, and viruses Two types of immunity >> natural and acquired EPA >> Environmental Protection Agency Evironmental Protection Agency (EPA) >> a governmental agency with environmental protection regulatory and enforcement authority Who regulates product safety? >> EPA and state What is tinea? >> Medical term for ringworm What chemicals do not mix? >> Bleach and ammonia What is used to clean barber head rests, chairs, and hard surfaces? >> EPA registered hospital grade disinfectant What happens when you mix aniline derivative and hydrogen peroxide >> Oxidization Galvanic current >> Constant and direct current, having a positive and negative pole, that produces chemical changes when it passes through the tissues and fluids of the body. What does galvanic current do for the skin? >> Creates chemical desincrustation and ionic iontophoresis. Used to create a chemical reaction that emulsifies or liquefies sebum and debris What are universal precautions? >> Treat all blood as if it's contaminated What do you put on a cut? >> Styptic powder Quatts >> Quaternary ammonium compounds Amp >> Measures the strength of an electric current Volt >> Unit of electric pressure Watt >> Unit of power What is alopecia? >> Abnormal hair loss Ideal face shape >> oval Reverse freehand >> razor position and stroke used in 4 of the 14 basic shaving areas: Nos. 5, 10, 13, and 14 What is the pigment of hair called >> melanin Can't be made by mixing colors >> primary colors Secondary colors are >> orange, green, violet The primary colors are: >> red, yellow, blue Tertiary colors are >> yellow-green, blue-green, blue-violet, red-violet, red-orange, yellow-orange Pityriasis capitis simplex >> Technical term for classic dandruff; characterized by scalp irritation, large flakes, and itchy scalp