CIDESCO Practice Exam 2023 Questions and Answers 100% Verified
Characteristics of life include: - Correct Answer Growth and metabolism
Example of organic biological substances are: - Correct Answer Carbohydrates and 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 vapour 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 1 / 2
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 Which rays are mostly used in ray treatments to increase pigmentation? - Correct Answer UVA and UVB The radiation mainly responsible for tanning the skin is? - Correct Answer UVA Which electric currents can be used in electrotherapy? - Correct Answer High frequency currents of high voltage Which electric currents can be used in electrotherapy? - Correct Answer High frequency and middle frequency currents of both low voltage Which electrical currents can be used in electrotherapy? - Correct Answer Faradic and galvanic currents both of low voltage Examples of liquid conductors are? - Correct Answer Fluids in which ions are present Examples of liquid conductors are? - Correct Answer Body fluids and alkali solutions In an electrical circuit if the voltage is doubled and the resistance halved the intensity of the current is? - Correct Answer Increase 4 times
- / 2