sanitation
What is the contact time for barbicide?
10 min
What are the two forms of electric current?
direct and alternating
What are the basic units of matter? * hint there’s 4*
element, atoms, molecules, and compounds
What is the only way to know a product is safe?
FDA approved
Disease-producing bacteria; harmful because they cause infection and disease; some produce toxins.
pathogenic
What level of infection control kills all microbial life, including spores?
sterilization
What occurs when a foreign conductor, like water, comes in contact with a wire carrying current to an appliance?
short circuit
What is used by the body to store energy and plays a key role in metabolism?
Carbohydrates
What kind of ingridents makes a product work?
Functional
Immunity provided when a person is given antibodies to a disease rather than producing them through his or her own immune system.
Passive immunity
What standards apply to removing dirt, debris, and potential pathogens?
cleaning
What occurs when too many appliances are put on one circuit and are operated at the same time?
electrical overload
What term refers to a change to a substance without cresting a new substance?
physical change
What kind of product produces a desired result?
performance
A swelling in tissue caused by an excessive accumulation of fluid prompted by injury or inflammation.
Edema
What are the two ways infection can be transmitted?
direct transmission & indirect transmission
What is the remaining waveform patterns that is not listed? Rectangular, square, sinusodial, saw-toothed, and ______
triangular
What are the two substances that change the balance of hydroxide and hydrogen atoms?
acids and alkalis
What sunscreen protects against uva and uvb rays?
broad spectrum
A unit of electric resistance.
Ohm
What are the three components that are required for an EPA registered disinfectant to be effective?
bacterialcidal
fungicidal
virucidal
What is the remaining safety measure that is not listed? being familiar with fire extinguishers, grounding, fuses, ground fault interrupters, and ______
circuit breaker
What kind of scale is the pH scale?
logarithmic
What is the non-polar end of an emulsifier, which loves oil but hates water.
lipophilic
The dilatation of blood vessels, which decreases blood pressure.
Vasodilation