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CIDESCO Questions.
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Exam of 9 pages for the course RSM100 Midterm 1 Prep at RSM100 Midterm 1 Prep (CIDESCO Questions.)
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CIDESCO QuestionsCharacteristics of life include: - ANS-Growth and metabolism
Example of organic biological substances are: - ANS-Carbohydrates and fats
Examples of mineral substances are: - ANS-Paraffin's and petroleum
Matter is everything that: - ANS-Occupies space and has weight
What property does all matter have? - ANS-All matter has weight
Sublimation is the change of matter from: - ANS-A solid to a gas
The alternation of the properties of matter without formation of any new substances is
called? - ANS-Physical change
The immediate change of a solid into vapour is called? - ANS-Sublimation
An example of a single called cellular organism is? - ANS-A bacterium
Examples of bacteria are? - ANS-Bacilli and cocci
Which of the following belongs to the science of chemistry? - ANS-The alternation of the
structure of molecules
An electrolyte is? - ANS-A substance which, dissolved in water and splits into ION's
Example of electrolytes are? - ANS-Acids and salts
An example of an electrolyte is? - ANS-Salt solution
An acid is an electrolyte because? - ANS-It can conduct an electrical current
An example of an inorganic acid is? - ANS-Sulphuric acid
An alkali must contain? - ANS-Metal atoms and hydroxyl groups
, If metal oxide is dissolved in water it forms? - ANS-An alkali
PH can be decreased by? - ANS-Increasing hydrogen ions
pH is? - ANS-The number of free H ions in a solution
The pH of the skins acid mantle is? - ANS-5.5
A characteristic of a weak acid is that it? - ANS-Supports the natural pH of the skin
A characteristic of organic acids is that? - ANS-They contain the element carbon
Organic acids are found in? - ANS-Sebum and plants
An organic acid contains the chemical group? - ANS-COOH
When do the electrodes in electrotherapy have to be moistened or to be applied on
moistened skin? - ANS-In iontophoresis and not short wave diathermy
In physics radiation means? - ANS-The electro magnetic waves in space
An indication for a treatment with infra red rays is? - ANS-A poor blood circulation in the
skin
Which of the following radiation had the most anti bacterial effect? - ANS-UVC
What is the safest radiation that can be used to increase pigmentation? - ANS-UVA
Which rays are mostly used in ray treatments to increase pigmentation? - ANS-UVA and
UVB
The radiation mainly responsible for tanning the skin is? - ANS-UVA
Which electric currents can be used in electrotherapy? - ANS-High frequency currents
of high voltage
Which electric currents can be used in electrotherapy? - ANS-High frequency and
middle frequency currents of both low voltage
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