Ihumans

electromagnetic waves - - light is the only thing we can see * originates from the accelerated motion of electrons * electromagnetic phenomenon - electromagnetic wave: made up of vibrating electric and magnetic fields if an electron vibrates up and down 1000 times each second, it generates an electromagnetic wave w/ a - frequency of 1000 Hz electromagnetic spectrum - - classification of electromagnetic eaves according to frequency - lowest frequency of visible light we can see appears ...

Light travels at.. - 3.00E+8 m/s Refraction is.... - the bending of light as it passes from one medium to another Reflectance - the ratio of the intensity of the reflected light Most of the waves in the electromagnetic spectrum are - invisible From low n to high n - a transmitted ray is bent, or refracted, toward the normal From high n to low n - a transmitted ray is bent, or refracted, away from the normal Light travels from one place to another along a path of least - time ...

Circuits - any path along which electrons can flow from the negative terminal to the positive terminal is Series Circuit - forms a single pathway for electron flow between the terminals of the battery, generator, or wall outlet Parallel Circuit - forms branches, each of which is a separate path for the flow of electrons Series Characteristics - -electric current through a single pathway -total resistance to current is the sum of individual resistances -current is equal to the voltage ...

What are the temperatures for freezing water on the Celsius and Fahrenheit scales? For boiling water - Freezing: 0 °C and 32 °F Boiling: 100 °C and 212 °F Is the temperature of an object a measure of the total kinetic energy of molecules in the object or a measure of the average kinetic energy per molecule in the object? - Temperature is a measure of the average kinetic energy per molecule in the object. Internal energy or Thermal energy is a measure of the total kinetic energy of the mol...

A technique to avoid "cross-talk"? - Interleaving Combining a metal ion with ligand reduces tendency to bind to proteins, enzymes or membranes. The degree to which they dissociate is a measure of their? - Toxicity The "best" technique for improving image quality is to increase? - NEX Tissues that have low (short) relaxation times have? - High (long) relaxation rates Linear relationship between frequency and position is superimposed on Bo by the Gp. The hydrogen protons relative p...

In planning care for a 6 month-old infant, what must the nurse provide to assist in the development of trust? A) Food B) Warmth C) Security D) Comfort - C) Security A nurse has just received a medication order which is not legible. Which statement best reflects assertive communication? A) "I cannot give this medication as it is written. I have no idea of what you mean." B) "Would you please clarify what you have written so I am sure I am reading it correctly?" C) "I am having dif...

The ability of hair to stretch and return to its original length without breaking is referred to as hair: - elasticity Scalp treatments and massage may be performed: - before or during the shampoo The measurement that describes the number of individual hair strands on 1 square inch of the scalp is: - density A stylist should recommend a hair or scalp treatment only after having performed a: - hair and scalp examination Any client with an infectious disease should not be serviced and ...

Bacteria - One-celled microorganisms having both plant and animal characteristics some are harmful and some are harmless. Direct Transmission - Transmission of blood or body fluids through touching (including shaking hands),kissing,coughing, sneezing, and talking. Indirect transmission - Transmission of blood or body fluids through contact with an intermediate contaminated object, such as a razor, extractor,nipper, or an environmental surface. Infection - Invasion of body tissues by dis...

This type of wax may cause an allergic reaction and should be patch tested - beeswax To prevent contact with any possible bloodborne pathogens during a hair removal treatment, use: - disposable gloves When applying a retouch color application, what size are your subsections for new growth? - 1/4-inch partings Where is predisposition test given - is generally conducted behind the ear or inside the elbow During the process of decolorizing, natural hair can go through as many as: - 10 s...

Match Test - To determine the difference between synthetic hair and natural hair. Extension - Artificial hair braided, interwoven, sewn, or glued onto the existing hair. what must be done before attaching hair additions that require glue and why? - A patch test; some clients might be allergic to the glue. Traction Alopecia - If the hair is braided with improper tension causing hair loss. Removing pathogens and other substances from tools or surfaces is called - decontamination As ...