CIDESCO ALL TEST PAPER QUESTIONS AND
ANSWERS SET A+
✔✔The field of physics includes: - ✔✔heat and electricity
✔✔Which one of the following belongs to the field of physics? - ✔✔Sound, electricity
and heat
✔✔The field of physics includes: - ✔✔the science of electricity
✔✔An anion is: - ✔✔A negatively charged atom
✔✔An anion is: - ✔✔a negatively charged chloride atom (CI-)
✔✔A cation is: - ✔✔A positively charged sodium atom (Na+)
✔✔An electrolyte is: - ✔✔A substance which, dissolved in water, splits into ions
✔✔Examples of electrolytes are: - ✔✔acids and salts
✔✔An example of an electrolyte is: - ✔✔salt-solution
✔✔An acid is an electrolyte because: - ✔✔it can conduct an electric current
✔✔An example of an inorganic acid is: - ✔✔sulphuric acid
✔✔An alkali must contain: - ✔✔metal atoms and hydroxyl group(s) (OH)
✔✔An example of an alkaline substance is: - ✔✔soap
✔✔If a metal-oxide is dissolved in water it forms: - ✔✔an alkali
,✔✔The pH scale is used to measure the degree of acidity or: - ✔✔alkalinity
✔✔pH can be decreased by: - ✔✔increasing hydrogen-ions
✔✔The letter p in pH means: - ✔✔potential
✔✔pH is: - ✔✔the number of free H-ions in solution
✔✔If the pH of a solution is between 5 and 7, the solution is a: - ✔✔weak acid
✔✔If the pH of a solution is between 1 and 3 the solution is a: - ✔✔strong acid
✔✔If the pH of a solution is between 7 and 9 the solution is a: - ✔✔weak alkali
✔✔If the pH of a solution is between 12 and 14 the solution is: - ✔✔strong alkali
✔✔The pH of distilled water is: - ✔✔7
✔✔Lemon juice, with a pH reading of about 2, is considered to be: - ✔✔acid
✔✔Pure water, with a pH of 7, is considered to be: - ✔✔neutral
✔✔Substances having a pH value above 9.5 are considered to be: - ✔✔alkaline
✔✔The pH of the skin's acid mantle is: - ✔✔5.5
✔✔A characteristic of a weak acid is that it: - ✔✔supports the natural pH of the skin
✔✔A characteristic of a weak alkali is that it: - ✔✔softens the stratum corneum of the
skin
✔✔The effect of a strong acid is: - ✔✔corrosive and therefore of no use in beauty
therapy
✔✔A characteristic of organic acids is that: - ✔✔they contain the element carbon (C)
✔✔Organic acids are found in: - ✔✔sebum and plants
✔✔An organic acid contains the chemical-group: - ✔✔COOH
✔✔An anode is: - ✔✔A positively charged electrode
✔✔A cathode is: - ✔✔A negatively charged electrode
,✔✔Examples of electrodes which are used in beauty therapy are: - ✔✔the needles
used for galvanic electrolysis
✔✔In physics, radiation means: - ✔✔the electro-magnectic waves in space system
✔✔The unit of frequency is: - ✔✔Hertz
✔✔In physics, frequency means: - ✔✔the number of times per second an electro-
magnetic-wave can change direction
✔✔The unit of frequency is: - ✔✔Hertz
✔✔Hertz is a unit of: - ✔✔frequency
✔✔In the visible spectrum the colours in the correct order are: - ✔✔red, orange, yellow
and green
✔✔In the visible spectrum the colours in the correct order are: - ✔✔green, blue, indigo
and violet
✔✔Invisible rays which can be used in beauty therapy are: - ✔✔infra-red and ultra-violet
rays
✔✔Infra-red radiation: - ✔✔is invisible and can be felt
✔✔Infra-red radiation is absorbed: - ✔✔in the dermis and muscles
✔✔Infra-red rays can be used in beauty therapy for: - ✔✔warming
✔✔The effect of infra-red rays on the skin is to: - ✔✔warm the deeper layers of the skin
✔✔An indication for a treatment with infra-red rays is: - ✔✔a poor blood circulation in
the skin
✔✔A contra-indication to treatment with infra-red radiation is: - ✔✔skin showing
teleangiectasias on the cheek area
✔✔Infra-red radiation is used: - ✔✔to warm the tissues before massage
✔✔Ultra-violet radiation can be useful in beauty therapy because of the: - ✔✔chemical
effect on the skin
✔✔Which of the following radiation has the most anti-bacterial effect? - ✔✔UV-C
, ✔✔What is the safest radiation that can be used to increase pigmentation? - ✔✔UV-A
✔✔Which rays are mostly used in ray-treatments to increase pigmentation? - ✔✔UV-A
and UV-B
✔✔Ultra-violet radiation is absorbed: - ✔✔mainly in the epidermis
✔✔The radiation mainly responsible for tanning the skin is: - ✔✔UV-A
✔✔Skin cancer is most likely caused by: - ✔✔Ultra-violet
✔✔An electric current is: - ✔✔A flow of electrons
✔✔Which electric currents can be used in electrotherapy? - ✔✔High frequency currents
of high voltage
✔✔Which electric currents can be used in electrotherapy? - ✔✔High frequency and
middle frequency currents both of low voltage
✔✔Which electric currents can be used in electrotherapy? - ✔✔Faradic and galvanic
currents both of low voltage
✔✔Examples of solid conductors are: - ✔✔metals
✔✔Examples of liquid conductors are: - ✔✔fluids in which ions are present
✔✔Examples of liquid conductors are: - ✔✔body fluids and alkali solutions
✔✔Which gas can conduct electric current? - ✔✔neon
✔✔Examples of insulators are: - ✔✔plastics
✔✔An example of an insulator is: - ✔✔rubber
✔✔The strength of an electric current is measured by it's: - ✔✔amperage
✔✔The pressure of an electric current is measured by it's: - ✔✔voltage
✔✔The power of an electrical appliance is measured by it's: - ✔✔wattage
✔✔In an electrical circuit if the voltage is doubled and the resistance halved, the
intensity of the current is: - ✔✔is increased four times
ANSWERS SET A+
✔✔The field of physics includes: - ✔✔heat and electricity
✔✔Which one of the following belongs to the field of physics? - ✔✔Sound, electricity
and heat
✔✔The field of physics includes: - ✔✔the science of electricity
✔✔An anion is: - ✔✔A negatively charged atom
✔✔An anion is: - ✔✔a negatively charged chloride atom (CI-)
✔✔A cation is: - ✔✔A positively charged sodium atom (Na+)
✔✔An electrolyte is: - ✔✔A substance which, dissolved in water, splits into ions
✔✔Examples of electrolytes are: - ✔✔acids and salts
✔✔An example of an electrolyte is: - ✔✔salt-solution
✔✔An acid is an electrolyte because: - ✔✔it can conduct an electric current
✔✔An example of an inorganic acid is: - ✔✔sulphuric acid
✔✔An alkali must contain: - ✔✔metal atoms and hydroxyl group(s) (OH)
✔✔An example of an alkaline substance is: - ✔✔soap
✔✔If a metal-oxide is dissolved in water it forms: - ✔✔an alkali
,✔✔The pH scale is used to measure the degree of acidity or: - ✔✔alkalinity
✔✔pH can be decreased by: - ✔✔increasing hydrogen-ions
✔✔The letter p in pH means: - ✔✔potential
✔✔pH is: - ✔✔the number of free H-ions in solution
✔✔If the pH of a solution is between 5 and 7, the solution is a: - ✔✔weak acid
✔✔If the pH of a solution is between 1 and 3 the solution is a: - ✔✔strong acid
✔✔If the pH of a solution is between 7 and 9 the solution is a: - ✔✔weak alkali
✔✔If the pH of a solution is between 12 and 14 the solution is: - ✔✔strong alkali
✔✔The pH of distilled water is: - ✔✔7
✔✔Lemon juice, with a pH reading of about 2, is considered to be: - ✔✔acid
✔✔Pure water, with a pH of 7, is considered to be: - ✔✔neutral
✔✔Substances having a pH value above 9.5 are considered to be: - ✔✔alkaline
✔✔The pH of the skin's acid mantle is: - ✔✔5.5
✔✔A characteristic of a weak acid is that it: - ✔✔supports the natural pH of the skin
✔✔A characteristic of a weak alkali is that it: - ✔✔softens the stratum corneum of the
skin
✔✔The effect of a strong acid is: - ✔✔corrosive and therefore of no use in beauty
therapy
✔✔A characteristic of organic acids is that: - ✔✔they contain the element carbon (C)
✔✔Organic acids are found in: - ✔✔sebum and plants
✔✔An organic acid contains the chemical-group: - ✔✔COOH
✔✔An anode is: - ✔✔A positively charged electrode
✔✔A cathode is: - ✔✔A negatively charged electrode
,✔✔Examples of electrodes which are used in beauty therapy are: - ✔✔the needles
used for galvanic electrolysis
✔✔In physics, radiation means: - ✔✔the electro-magnectic waves in space system
✔✔The unit of frequency is: - ✔✔Hertz
✔✔In physics, frequency means: - ✔✔the number of times per second an electro-
magnetic-wave can change direction
✔✔The unit of frequency is: - ✔✔Hertz
✔✔Hertz is a unit of: - ✔✔frequency
✔✔In the visible spectrum the colours in the correct order are: - ✔✔red, orange, yellow
and green
✔✔In the visible spectrum the colours in the correct order are: - ✔✔green, blue, indigo
and violet
✔✔Invisible rays which can be used in beauty therapy are: - ✔✔infra-red and ultra-violet
rays
✔✔Infra-red radiation: - ✔✔is invisible and can be felt
✔✔Infra-red radiation is absorbed: - ✔✔in the dermis and muscles
✔✔Infra-red rays can be used in beauty therapy for: - ✔✔warming
✔✔The effect of infra-red rays on the skin is to: - ✔✔warm the deeper layers of the skin
✔✔An indication for a treatment with infra-red rays is: - ✔✔a poor blood circulation in
the skin
✔✔A contra-indication to treatment with infra-red radiation is: - ✔✔skin showing
teleangiectasias on the cheek area
✔✔Infra-red radiation is used: - ✔✔to warm the tissues before massage
✔✔Ultra-violet radiation can be useful in beauty therapy because of the: - ✔✔chemical
effect on the skin
✔✔Which of the following radiation has the most anti-bacterial effect? - ✔✔UV-C
, ✔✔What is the safest radiation that can be used to increase pigmentation? - ✔✔UV-A
✔✔Which rays are mostly used in ray-treatments to increase pigmentation? - ✔✔UV-A
and UV-B
✔✔Ultra-violet radiation is absorbed: - ✔✔mainly in the epidermis
✔✔The radiation mainly responsible for tanning the skin is: - ✔✔UV-A
✔✔Skin cancer is most likely caused by: - ✔✔Ultra-violet
✔✔An electric current is: - ✔✔A flow of electrons
✔✔Which electric currents can be used in electrotherapy? - ✔✔High frequency currents
of high voltage
✔✔Which electric currents can be used in electrotherapy? - ✔✔High frequency and
middle frequency currents both of low voltage
✔✔Which electric currents can be used in electrotherapy? - ✔✔Faradic and galvanic
currents both of low voltage
✔✔Examples of solid conductors are: - ✔✔metals
✔✔Examples of liquid conductors are: - ✔✔fluids in which ions are present
✔✔Examples of liquid conductors are: - ✔✔body fluids and alkali solutions
✔✔Which gas can conduct electric current? - ✔✔neon
✔✔Examples of insulators are: - ✔✔plastics
✔✔An example of an insulator is: - ✔✔rubber
✔✔The strength of an electric current is measured by it's: - ✔✔amperage
✔✔The pressure of an electric current is measured by it's: - ✔✔voltage
✔✔The power of an electrical appliance is measured by it's: - ✔✔wattage
✔✔In an electrical circuit if the voltage is doubled and the resistance halved, the
intensity of the current is: - ✔✔is increased four times
