Characteristics of life include: - CORRECT ANSWER Growth and metabolism
Example of organic biological substances are: - CORRECT ANSWER Carbohydrates and
... [Show More] fats
Examples of mineral substances are: - CORRECT ANSWER Paraffin's and petroleum
Matter is everything that: - CORRECT ANSWER Occupies space and has weight
What property does all matter have? - CORRECT ANSWER All matter has weight
Sublimation is the change of matter from: - CORRECT ANSWER A solid to a gas
The alternation of the properties of matter without formation of any new substances is called? -
CORRECT ANSWER Physical change
The immediate change of a solid into vapor is called? - CORRECT ANSWER Sublimation
An example of a single called cellular organism is? - CORRECT ANSWER A bacterium
Examples of bacteria are? - CORRECT ANSWER Bacilli and cocci
Which of the following belongs to the science of chemistry? - CORRECT ANSWER The
alternation of the structure of molecules
An electrolyte is? - CORRECT ANSWER A substance which, dissolved in water and splits into
ION's
Example of electrolytes are? - CORRECT ANSWER Acids and salts
An example of an electrolyte is? - CORRECT ANSWER Salt solution
An acid is an electrolyte because? - CORRECT ANSWER It can conduct an electrical current
An example of an inorganic acid is? - CORRECT ANSWER Sulphuric acid
An alkali must contain? - CORRECT ANSWER Metal atoms and hydroxyl groups
If metal oxide is dissolved in water it forms? - CORRECT ANSWER An alkali
PH can be decreased by? - CORRECT ANSWER Increasing hydrogen ions
pH is? - CORRECT ANSWER The number of free H ions in a solution
The pH of the skins acid mantle is? - CORRECT ANSWER 5.5
A characteristic of a weak acid is that it? - CORRECT ANSWER Supports the natural pH of the
skin
A characteristic of organic acids is that? - CORRECT ANSWER They contain the element
carbon
Organic acids are found in? - CORRECT ANSWER Sebum and plants
An organic acid contains the chemical group? - CORRECT ANSWER COOH
When do the electrodes in electrotherapy have to be moistened or to be applied on moistened
skin? - CORRECT ANSWER In iontophoresis and not short wave diathermy
In physics radiation means? - CORRECT ANSWER The electro magnetic waves in space
An indication for a treatment with infra red rays is? - CORRECT ANSWER A poor blood
circulation in the skin
Which of the following radiation had the most anti bacterial effect? - CORRECT ANSWER
UVC
What is the safest radiation that can be used to increase pigmentation? - CORRECT ANSWER
UVA [Show Less]