CIDESCO Exam Questions With 100% Correct and Verified Answers 2024 (Graded)

CIDESCO Exam Questions With 100% Correct and Verified Answers 2024 (Graded). I Biological and non-biological substances both need oxygen for their existence. II The human body consists only of biological substances. CORRECT ANSWERS: I is correct and II is incorrect Characteristics of life include: CORRECT ANSWERS: growth and metabolism Examples of synthetic substances are: CORRECT ANSWERS: plastics and silicones Examples of organic biological substances are: CORRECT ANSWERS: carbohydrates and fats Examples of mineral substances are: CORRECT ANSWERS: paraffins and petroleum Matter is everything that: CORRECT ANSWERS: occupies space and has weight The three forms of matter are solids, liquids and: CORRECT ANSWERS: gases What property does all matter have? CORRECT ANSWERS: All matter has weight Condensation is the change of matter from: CORRECT ANSWERS: a gas to a liquid Vapourisation is the change of matter from: CORRECT ANSWERS: liquid to a gas Melting is the change of matter from: CORRECT ANSWERS: a solid to a liquid Sublimation is the change of matter from: CORRECT ANSWERS: a solid to a gas Condensation is: CORRECT ANSWERS: 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: CORRECT ANSWERS: physical change The immediate change of a solid into a vapour is called: CORRECT ANSWERS: sublimation An example of a single-celled cellular organism is: CORRECT ANSWERS: a bacterium I. A micro-organism is the smallest part of the human body. II All micro-organisms need nutrients for their existence. CORRECT ANSWERS: I is incorrect and II is correct Examples of bacteria are: CORRECT ANSWERS: bacilli and cocci I. Every living organism needs some non-biological substances for it's existence. II. All nonbiological substances are found as minerals in the earth. CORRECT ANSWERS: I is correct and II is incorrect Science deals mainly with: CORRECT ANSWERS: physics and chemistry The study of the structure of the body is called: CORRECT ANSWERS: anatomy The study of the functions of living organisms is: CORRECT ANSWERS: 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. CORRECT ANSWERS: 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. CORRECT ANSWERS: I and II are both correct Which one of the following belongs to the science of chemistry? CORRECT ANSWERS: 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. CORRECT ANSWERS: I is incorrect and II is correct The field of physics includes: CORRECT ANSWERS: heat and electricity Which one of the following belongs to the field of physics? CORRECT ANSWERS: Sound, electricity and heat The field of physics includes: CORRECT ANSWERS: the science of electricity An anion is: CORRECT ANSWERS: A negatively charged atom An anion is: CORRECT ANSWERS: a negatively charged chloride atom (CI-) A cation is: CORRECT ANSWERS: A positively charged sodium atom (Na+) An electrolyte is: CORRECT ANSWERS: A substance which, dissolved in water, splits into ions Examples of electrolytes are: CORRECT ANSWERS: acids and salts An example of an electrolyte is: CORRECT ANSWERS: salt-solution An acid is an electrolyte because: CORRECT ANSWERS: it can conduct an electric current An example of an inorganic acid is: CORRECT ANSWERS: sulphuric acid An alkali must contain: CORRECT ANSWERS: metal atoms and hydroxyl group(s) (OH) An example of an alkaline substance is: CORRECT ANSWERS: soap If a metal-oxide is dissolved in water it forms: CORRECT ANSWERS: an alkali The pH scale is used to measure the degree of acidity or: CORRECT ANSWERS: alkalinity pH can be decreased by: CORRECT ANSWERS: increasing hydrogen-ions The letter p in pH means: CORRECT ANSWERS: potential pH is: CORRECT ANSWERS: the number of free H-ions in solution If the pH of a solution is between 5 and 7, the solution is a: CORRECT ANSWERS: weak acid If the pH of a solution is between 1 and 3 the solution is a: CORRECT ANSWERS: strong acid If the pH of a solution is between 7 and 9 the solution is a: CORRECT ANSWERS: weak alkali If the pH of a solution is between 12 and 14 the solution is: CORRECT ANSWERS: strong alkali The pH of distilled water is: CORRECT ANSWERS: 7 Lemon juice, with a pH reading of about 2, is considered to be: CORRECT ANSWERS: acid Pure water, with a pH of 7, is considered to be: CORRECT ANSWERS: neutral Substances having a pH value above 9.5 are considered to be: CORRECT ANSWERS: alkaline The pH of the skin's acid mantle is: CORRECT ANSWERS: 5.5 A characteristic of a weak acid is that it: CORRECT ANSWERS: supports the natural pH of the skin A characteristic of a weak alkali is that it: CORRECT ANSWERS: softens the stratum corneum of the skin The effect of a strong acid is: CORRECT ANSWERS: corrosive and therefore of no use in beauty therapy A characteristic of organic acids is that: CORRECT ANSWERS: they contain the element carbon (C) Organic acids are found in: CORRECT ANSWERS: sebum and plants An organic acid contains the chemical-group: CORRECT ANSWERS: COOH An anode is: CORRECT ANSWERS: A positively charged electrode A cathode is: CORRECT ANSWERS: A negatively charged electrode Examples of electrodes which are used in beauty therapy are: CORRECT ANSWERS: the needles used for galvanic electrolysis In physics, radiation means: CORRECT ANSWERS: the electro-magnectic waves in space system The unit of frequency is: CORRECT ANSWERS: Hertz In physics, frequency means: CORRECT ANSWERS: the number of times per second an electro-magnetic-wave can change direction The unit of frequency is: CORRECT ANSWERS: Hertz Hertz is a unit of: CORRECT ANSWERS: frequency In the visible spectrum the colours in the correct order are: CORRECT ANSWERS: red, orange, yellow and green In the visible spectrum the colours in the correct order are: CORRECT ANSWERS: green, blue, indigo and violet Invisible rays which can be used in beauty therapy are: CORRECT ANSWERS: infra-red and ultra-violet rays Infra-red radiation: CORRECT ANSWERS: is invisible and can be felt Infra-red radiation is absorbed: CORRECT ANSWERS: in the dermis and muscles Infra-red rays can be used in beauty therapy for: CORRECT ANSWERS: warming The effect of infra-red rays on the skin is to: CORRECT ANSWERS: warm the deeper layers of the skin An indication for a treatment with infra-red rays is: CORRECT ANSWERS: a poor blood circulation in the skin A contra-indication to treatment with infra-red radiation is: CORRECT ANSWERS: skin showing teleangiectasias on the cheek area Infra-red radiation is used: CORRECT ANSWERS: to warm the tissues before massage Ultra-violet radiation can be useful in beauty therapy because of the: CORRECT ANSWERS: chemical effect on the skin Which of the following radiation has the most anti-bacterial effect? CORRECT ANSWERS: UV-C What is the safest radiation that can be used to increase pigmentation? CORRECT ANSWERS: UV-A Which rays are mostly used in ray-treatments to increase pigmentation? CORRECT ANSWERS: UV-A and UV-B Ultra-violet radiation is absorbed: CORRECT ANSWERS: mainly in the epidermis The radiation mainly responsible for tanning the skin is: CORRECT ANSWERS: UV-A Skin cancer is most likely caused by: CORRECT ANSWERS: Ultra-violet An electric current is: CORRECT ANSWERS: A flow of electrons Which electric currents can be used in electrotherapy? CORRECT ANSWERS: High frequency currents of high voltage Which electric currents can be used in electrotherapy? CORRECT ANSWERS: High frequency and middle frequency currents both of low voltage Which electric currents can be used in electrotherapy? CORRECT ANSWERS: Faradic and galvanic currents both of low voltage Examples of solid conductors are: CORRECT ANSWERS: metals Examples of liquid conductors are: CORRECT ANSWERS: fluids in which ions are present Examples of liquid conductors are: CORRECT ANSWERS: body fluids and alkali solutions Which gas can conduct electric current? CORRECT ANSWERS: neon Examples of insulators are: CORRECT ANSWERS: plastics An example of an insulator is: CORRECT ANSWERS: rubber The strength of an electric current is measured by it's: CORRECT ANSWERS: amperage The pressure of an electric current is measured by it's: CORRECT ANSWERS: voltage The power of an electrical appliance is measured by it's: CORRECT ANSWERS: wattage In an electrical circuit if the voltage is doubled and the resistance halved, the intensity of the current is: CORRECT ANSWERS: is increased four times The unit of current strength is: CORRECT ANSWERS: ampere The unit of current pressure is: CORRECT ANSWERS: volt The unit of electrical resistance is: CORRECT ANSWERS: ohm The unit of electrical power is: CORRECT ANSWERS: watt A current with a constant strength used in beauty therapy is called: CORRECT ANSWERS: galvanic A so-called "faradic type current" is: CORRECT ANSWERS: An interrupted galvanic current The current that is used to tone muscles is called: CORRECT ANSWERS: faradic A so-called "faradic type current" is different from a galvanic current in beauty therapy because: CORRECT ANSWERS: it is more effective for training muscles A galvanic current is different from a so-called "faradic type current" in beauty therapy because: CORRECT ANSWERS: it is more effective for iontophoresis Which machine for treatments in beauty therapy supplies galvanic current? CORRECT ANSWERS: A machine for iontophoresis For which treatments in beauty therapy is galvanic current used? CORRECT ANSWERS: Iontophoresis For which treatments in beauty therapy is galvanic current used? CORRECT ANSWERS: Iontophoresis and electric desincrustation The meaning of iontophoresis is: CORRECT ANSWERS: to force cosmetic ingredients deeper into the skin The meaning of desincrustation is: CORRECT ANSWERS: to remove substances from the skin's surface Desincrustation to remove substances from the surface of the skin is done with a: CORRECT ANSWERS: galvanic machine and cathode as the active electrode The effect of desincrustation on sebum is: CORRECT ANSWERS: a saponification process caused by galvanic, current A machine for iontophoresis is most likely to contain: CORRECT ANSWERS: a rectifier and a transformer A machine for desincrustation is most likely to contain: CORRECT ANSWERS: a rectifier and a transformer I. Galvanic current can be obtained from a dry cell (battery) II. The electric mains supplies galvanic current. CORRECT ANSWERS: I is correct and II is incorrect The electrical device that changes alternating current into direct current is a: CORRECT ANSWERS: rectifier The function of a rectifier is to change: CORRECT ANSWERS: an alternating current into a galvanic current When do the electrodes in electrotherapy have be moistened or to be applied on a moistened skin? CORRECT ANSWERS: in iontophoresis and not short wave diathermy What can occur if galvanic electrode is not applied to the skin with a regular pressure all over the surface of the electrode: CORRECT ANSWERS: on the spot of the highest pressure skin burning can occur The electrical device that changes voltage is called a: CORRECT ANSWERS: transformer The function of a transformer is to change: CORRECT ANSWERS: the voltage of an alternating current to a different voltage A fuse is an electrical device that: CORRECT ANSWERS: protects apparatus or circuits from overloading A fuse in an electrical apparatus: CORRECT ANSWERS: is the weakest part of the electrical circuit The safety practises that should be observed in a beauty salon when using electrical appliances: CORRECT ANSWERS: are the responsibility of the employer of the salon The smallest structural unit in the hunan body is called the: CORRECT ANSWERS: cell The study of the structure of the body is called: CORRECT ANSWERS: anatomy The study of the functions of the human body is: CORRECT ANSWERS: physiology The outer wall of a cell is called the: CORRECT ANSWERS: cell membrane Deoxyribonucleic acid or D.NA: CORRECT ANSWERS: carries genetic information Which of the following is the genetic material of the cell? CORRECT ANSWERS: DNA The main part of the cell which contains protoplasm is the: CORRECT ANSWERS: cytoplasm The nucleus of a cell is directly surrounded by: CORRECT ANSWERS: the nuclear membrane The part of the cell in contact with it's environment is the: CORRECT ANSWERS: cell membrane The part of a cell that controls the activities of the cell is the: CORRECT ANSWERS: nucleus The nucleus of a cell contains: CORRECT ANSWERS: DNA The nucleus of a cell contains: CORRECT ANSWERS: nucleoli Meiosis is a process concerned with: CORRECT ANSWERS: body division of a sex cell The process of cell division where the mother cell divides into two identical daughter cells is called: CORRECT ANSWERS: mitosis The phase of mitosis during which centrioles reach the ends of the cell is: CORRECT ANSWERS: metaphase The last stage of mitosis is known as: CORRECT ANSWERS: telophase The phase of mitosis in which the chromatin of the nucleus forms chromosomes is: CORRECT ANSWERS: prophase The phase of mitosis in which two identical daughter cells are produced is: CORRECT ANSWERS: telophase The phase of mitosis in which chromosomes line up in the middle of a cell is: CORRECT ANSWERS: metaphase When a cell is dividing, the nucleus forms: CORRECT ANSWERS: chromosomes Which of the following is the phase between periods of cell reproduction? CORRECT ANSWERS: interphase A human cell with 22 autosomes and a Y sex chromosome would be a: CORRECT ANSWERS: sperm Male reproductive cells contain: CORRECT ANSWERS: 22 chromosomes and either an X- or a Y-chromosome The structural unit of all living organisms is: CORRECT ANSWERS: a cell Histology is the study of: CORRECT ANSWERS: the microscopic structure of tissues Which one of the following structures is NOT an example of a tissue? CORRECT ANSWERS: heart The name for a collection of similar cells grouped together for a particular function is: CORRECT ANSWERS: tissue Tissues are composed of: CORRECT ANSWERS: cells Tissue specialised for movement is: CORRECT ANSWERS: muscular Tissue which provides support and protection and binds structures together is: CORRECT ANSWERS: connective