CIDESCO Facial Exam Prep Updated Latest 2025
I Biological and non-biological substances both need oxygen for their existence. II The
human body consists only of biological substances. - ANS-I is correct and II is incorrect
Characteristics of life include: - ANS-growth and metabolism
Examples of synthetic substances are: - ANS-plastics and silicones
Examples of organic biological substances are: - ANS-carbohydrates and fats
Examples of mineral substances are: - ANS-paraffins and petroleum
Matter is everything that: - ANS-occupies space and has weight
The three forms of matter are solids, liquids and: - ANS-gases
What property does all matter have? - ANS-All matter has weight
Condensation is the change of matter from: - ANS-a gas to a liquid
Vapourisation is the change of matter from: - ANS-liquid to a gas
Melting is the change of matter from: - ANS-a solid to a liquid
Sublimation is the change of matter from: - ANS-a solid to a gas
Condensation is: - ANS-the change of a vapour to a liquid
The alteration of the properties of matter without the formation of any new substance is
called a/an: - ANS-physical change
The immediate change of a solid into a vapour is called: - ANS-sublimation
An example of a single-celled cellular organism is: - ANS-a bacterium
I. A micro-organism is the smallest part of the human body. II All micro-organisms need
nutrients for their existence. - ANS-I is incorrect and II is correct
Examples of bacteria are: - ANS-bacilli and cocci
I. Every living organism needs some non-biological substances for it's existence. II. All
non-biological substances are found as minerals in the earth. - ANS-I is correct and II is
incorrect
Science deals mainly with: - ANS-physics and chemistry
,The study of the structure of the body is called: - ANS-anatomy
The study of the functions of living organisms is: - ANS-physiology
I Anatomy is a very important science in the field of biology. II Anatomy is the science
which deals with the functions of the human body. - ANS-I is correct and II is incorrect
I Physiology is a very important science in the field of biology. II Physiology is the
science which deals with the functions of the body. - ANS-I and II are both correct
Which one of the following belongs to the science of chemistry? - ANS-The alteration of
the structure of molecules
I Chemical reactions only take place outside and not inside a living organism. II The
structure of molecules change during chemical reactions. - ANS-I is incorrect and II is
correct
The field of physics includes: - ANS-heat and electricity
Which one of the following belongs to the field of physics? - ANS-Sound, electricity and
heat
The field of physics includes: - ANS-the science of electricity
An anion is: - ANS-A negatively charged atom
An anion is: - ANS-a negatively charged chloride atom (CI-)
A cation is: - ANS-A positively charged sodium atom (Na+)
An electrolyte is: - ANS-A substance which, dissolved in water, splits into ions
Examples 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 electric current
An example of an inorganic acid is: - ANS-sulphuric acid
An alkali must contain: - ANS-metal atoms and hydroxyl group(s) (OH)
An example of an alkaline substance is: - ANS-soap
If a metal-oxide is dissolved in water it forms: - ANS-an alkali
,The pH scale is used to measure the degree of acidity or: - ANS-alkalinity
pH can be decreased by: - ANS-increasing hydrogen-ions
The letter p in pH means: - ANS-potential
pH is: - ANS-the number of free H-ions in solution
If the pH of a solution is between 5 and 7, the solution is a: - ANS-weak acid
If the pH of a solution is between 1 and 3 the solution is a: - ANS-strong acid
If the pH of a solution is between 7 and 9 the solution is a: - ANS-weak alkali
If the pH of a solution is between 12 and 14 the solution is: - ANS-strong alkali
The pH of distilled water is: - ANS-7
Lemon juice, with a pH reading of about 2, is considered to be: - ANS-acid
Pure water, with a pH of 7, is considered to be: - ANS-neutral
Substances having a pH value above 9.5 are considered to be: - ANS-alkaline
The pH of the skin's 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 a weak alkali is that it: - ANS-softens the stratum corneum of the skin
The effect of a strong acid is: - ANS-corrosive and therefore of no use in beauty therapy
A characteristic of organic acids is that: - ANS-they contain the element carbon (C)
Organic acids are found in: - ANS-sebum and plants
An organic acid contains the chemical-group: - ANS-COOH
An anode is: - ANS-A positively charged electrode
A cathode is: - ANS-A negatively charged electrode
Examples of electrodes which are used in beauty therapy are: - ANS-the needles used
for galvanic electrolysis
, In physics, radiation means: - ANS-the electro-magnectic waves in space system
The unit of frequency is: - ANS-Hertz
In physics, frequency means: - ANS-the number of times per second an electro-
magnetic-wave can change direction
The unit of frequency is: - ANS-Hertz
Hertz is a unit of: - ANS-frequency
In the visible spectrum the colours in the correct order are: - ANS-red, orange, yellow
and green
In the visible spectrum the colours in the correct order are: - ANS-green, blue, indigo
and violet
Invisible rays which can be used in beauty therapy are: - ANS-infra-red and ultra-violet
rays
Infra-red radiation: - ANS-is invisible and can be felt
Infra-red radiation is absorbed: - ANS-in the dermis and muscles
Infra-red rays can be used in beauty therapy for: - ANS-warming
The effect of infra-red rays on the skin is to: - ANS-warm the deeper layers of the skin
An indication for a treatment with infra-red rays is: - ANS-a poor blood circulation in the
skin
A contra-indication to treatment with infra-red radiation is: - ANS-skin showing
teleangiectasias on the cheek area
Infra-red radiation is used: - ANS-to warm the tissues before massage
Ultra-violet radiation can be useful in beauty therapy because of the: - ANS-chemical
effect on the skin
Which of the following radiation has the most anti-bacterial effect? - ANS-UV-C
What is the safest radiation that can be used to increase pigmentation? - ANS-UV-A
Which rays are mostly used in ray-treatments to increase pigmentation? - ANS-UV-A
and UV-B
I Biological and non-biological substances both need oxygen for their existence. II The
human body consists only of biological substances. - ANS-I is correct and II is incorrect
Characteristics of life include: - ANS-growth and metabolism
Examples of synthetic substances are: - ANS-plastics and silicones
Examples of organic biological substances are: - ANS-carbohydrates and fats
Examples of mineral substances are: - ANS-paraffins and petroleum
Matter is everything that: - ANS-occupies space and has weight
The three forms of matter are solids, liquids and: - ANS-gases
What property does all matter have? - ANS-All matter has weight
Condensation is the change of matter from: - ANS-a gas to a liquid
Vapourisation is the change of matter from: - ANS-liquid to a gas
Melting is the change of matter from: - ANS-a solid to a liquid
Sublimation is the change of matter from: - ANS-a solid to a gas
Condensation is: - ANS-the change of a vapour to a liquid
The alteration of the properties of matter without the formation of any new substance is
called a/an: - ANS-physical change
The immediate change of a solid into a vapour is called: - ANS-sublimation
An example of a single-celled cellular organism is: - ANS-a bacterium
I. A micro-organism is the smallest part of the human body. II All micro-organisms need
nutrients for their existence. - ANS-I is incorrect and II is correct
Examples of bacteria are: - ANS-bacilli and cocci
I. Every living organism needs some non-biological substances for it's existence. II. All
non-biological substances are found as minerals in the earth. - ANS-I is correct and II is
incorrect
Science deals mainly with: - ANS-physics and chemistry
,The study of the structure of the body is called: - ANS-anatomy
The study of the functions of living organisms is: - ANS-physiology
I Anatomy is a very important science in the field of biology. II Anatomy is the science
which deals with the functions of the human body. - ANS-I is correct and II is incorrect
I Physiology is a very important science in the field of biology. II Physiology is the
science which deals with the functions of the body. - ANS-I and II are both correct
Which one of the following belongs to the science of chemistry? - ANS-The alteration of
the structure of molecules
I Chemical reactions only take place outside and not inside a living organism. II The
structure of molecules change during chemical reactions. - ANS-I is incorrect and II is
correct
The field of physics includes: - ANS-heat and electricity
Which one of the following belongs to the field of physics? - ANS-Sound, electricity and
heat
The field of physics includes: - ANS-the science of electricity
An anion is: - ANS-A negatively charged atom
An anion is: - ANS-a negatively charged chloride atom (CI-)
A cation is: - ANS-A positively charged sodium atom (Na+)
An electrolyte is: - ANS-A substance which, dissolved in water, splits into ions
Examples 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 electric current
An example of an inorganic acid is: - ANS-sulphuric acid
An alkali must contain: - ANS-metal atoms and hydroxyl group(s) (OH)
An example of an alkaline substance is: - ANS-soap
If a metal-oxide is dissolved in water it forms: - ANS-an alkali
,The pH scale is used to measure the degree of acidity or: - ANS-alkalinity
pH can be decreased by: - ANS-increasing hydrogen-ions
The letter p in pH means: - ANS-potential
pH is: - ANS-the number of free H-ions in solution
If the pH of a solution is between 5 and 7, the solution is a: - ANS-weak acid
If the pH of a solution is between 1 and 3 the solution is a: - ANS-strong acid
If the pH of a solution is between 7 and 9 the solution is a: - ANS-weak alkali
If the pH of a solution is between 12 and 14 the solution is: - ANS-strong alkali
The pH of distilled water is: - ANS-7
Lemon juice, with a pH reading of about 2, is considered to be: - ANS-acid
Pure water, with a pH of 7, is considered to be: - ANS-neutral
Substances having a pH value above 9.5 are considered to be: - ANS-alkaline
The pH of the skin's 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 a weak alkali is that it: - ANS-softens the stratum corneum of the skin
The effect of a strong acid is: - ANS-corrosive and therefore of no use in beauty therapy
A characteristic of organic acids is that: - ANS-they contain the element carbon (C)
Organic acids are found in: - ANS-sebum and plants
An organic acid contains the chemical-group: - ANS-COOH
An anode is: - ANS-A positively charged electrode
A cathode is: - ANS-A negatively charged electrode
Examples of electrodes which are used in beauty therapy are: - ANS-the needles used
for galvanic electrolysis
, In physics, radiation means: - ANS-the electro-magnectic waves in space system
The unit of frequency is: - ANS-Hertz
In physics, frequency means: - ANS-the number of times per second an electro-
magnetic-wave can change direction
The unit of frequency is: - ANS-Hertz
Hertz is a unit of: - ANS-frequency
In the visible spectrum the colours in the correct order are: - ANS-red, orange, yellow
and green
In the visible spectrum the colours in the correct order are: - ANS-green, blue, indigo
and violet
Invisible rays which can be used in beauty therapy are: - ANS-infra-red and ultra-violet
rays
Infra-red radiation: - ANS-is invisible and can be felt
Infra-red radiation is absorbed: - ANS-in the dermis and muscles
Infra-red rays can be used in beauty therapy for: - ANS-warming
The effect of infra-red rays on the skin is to: - ANS-warm the deeper layers of the skin
An indication for a treatment with infra-red rays is: - ANS-a poor blood circulation in the
skin
A contra-indication to treatment with infra-red radiation is: - ANS-skin showing
teleangiectasias on the cheek area
Infra-red radiation is used: - ANS-to warm the tissues before massage
Ultra-violet radiation can be useful in beauty therapy because of the: - ANS-chemical
effect on the skin
Which of the following radiation has the most anti-bacterial effect? - ANS-UV-C
What is the safest radiation that can be used to increase pigmentation? - ANS-UV-A
Which rays are mostly used in ray-treatments to increase pigmentation? - ANS-UV-A
and UV-B
