Infection Control & First Aid
What are the basic units of living matter?
cells
The two forms of electrical current are:
AC & DC
Matter with a definite weight and volume but no definite shape is called a:
liquid
The outer covering of the hair strand made up of overlapping layers of transparent scales is called the:
cuticle
What approximate percentage of all bacteria are nonpathogenic (harmless)?
70%
What is another name for microscopic anatomy?
histology
Materials that best transport electricity are called:
conductors
On the pH scale, numbers greater than 7 indicate what kind of solution?
alkaline
The ability of hair to absorb moisture, liquids or chemicals refers to the hair's:
porosity
What kind of infection is located in a small confined area?
local infection
The muscle that controls the eyebrows, drawing them in and downwards is the:
corrugator
watt
A solution that has more positive hydrogrn ions than negative hydroxide ions is:
acidic
Eumelanin and Pheomelanin are stored in which part of the hair strand?
the cortex
What are produced by the immune system to either destroy, kill, or inactivate pathogens?
antibodies
The upper cheek and bottom of the eye socket are formed by the malar, also called which bone?
zygomatic
When a blow dryer is on and air begins to flow, you have an example of what kind of circuit?
a closed circuit
A substance that is able to dissolve another substance is called a:
solvent
Hair grows from a tube-like "pocket" called a root sheath or a:
follicle
Hepatitis B virus
The release of energy within a cell necessary for the performance of specific body functions is called:
catabolism
Which electrotherapy treatment infuses water-soluble products for deeper penetration into the skin?
iontophoresis
What is formed when tow or more immiscible substances are united with help of a binder?
emulsion
The hair follicle that produces tightly curled/coily hair is typically what shape?
elliptical