CIDESCO Exam Prep Answered 100% Correct

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