Description : Suitable method of sterilization of powders is - - - - - - - - A Autoclaving B Hot Air Oven C UV radiation D Gaseous
Last Answer : B Hot Air Oven
Description : What is the mode of action of autoclaving “Moist sterilisation”: A. Moist heat sterilization B. Protein denaturation
Last Answer : A. Moist heat sterilization
Description : Browne’s tubes are the most commonly used indicator for _ _ _ _ _ _ _ _ A Heat sterilization B Radiation sterilization C Gaseous sterilization D Filtration sterilization
Last Answer : A Heat sterilization
Description : At 160°C, it takes about minutes to kilt bacterial spores in a hot-air oven. a. 30 b. 60 c. 90 d. 120
Last Answer : d. 120
Description : Which of the following material is sterilized by heating at 160°C in a hot air oven for one hour? A.Swab sticks B.All-glass syringes C.Oils and jellies D.All of these
Last Answer : D.All of these
Description : Which of the following terms best fits the destruction of all living micobes, spores and viruses. a. Sanitization b. Sterilization c. Aseptic Technique d. Pasteurization
Last Answer : b. Sterilization
Description : The elimination of pathogens in foods by irradiation is called a. The D Value. b. The Pasteurizing Dose. c. Incineration. d. Sterilization.
Last Answer : b. The Pasteurizing Dose.
Description : All the following terms apply to microbial killing except: a. Sterilization. b. Microbicidal. c. Bactericidal. d. Fungistatic.
Last Answer : d. Fungistatic
Description : What surgical practice was established by Lister? a. antisepsis b. chemotherapy c. variolation d. sterilization
Last Answer : a. antisepsis
Description : Microorganism used as biological indicator for sterilization by ionizing radiations A Bacillus subtilis B Bacillus pumilus C Salmonella typhi D Serratia marcescens
Last Answer : B Bacillus pumilus
Description : What is the recommended time and pressure for sterilization of media using an Autoclave A 15 min 10 lbs B 60 min 5 lbs C 15 min 15 lbs D 15 min 20 lbs
Last Answer : C 15 min 15 lbs
Description : Phenolic water generated in coke ovens & by-product plant of a steel plant are disposed off by (A) Quenching of hot coke (B) Discharging in the river stream (C) Filtration and recycling for cooling coke oven gas (D) None of these
Last Answer : (A) Quenching of hot coke
Description : Air filtration typically uses a filter. a. HEPA b. Membrane c. Sand d. Diatomaceous Earth
Last Answer : a. HEPA
Description : Which of the following has the highest energy? A. gamma rays (Answer) B. X-rays C. Ultra-violet radiation D. radio waves
Last Answer : A. gamma rays (Answer)
Description : Which of the following procedures will not achieve sterilization: A. Hot air at 160ºC for 90mins B. Boiling water at 100ºC for 2 hours C. Autoclave at 121ºC under 15psi for 20 mins D. Dry heat at 177ºC for 60mins E. All of the above will achieve sterilisation
Last Answer : B. Boiling water at 100ºC for 2 hours
Description : Give reason: Ultrasonic waves are used in sterilization.
Last Answer : Ultrasonic waves can kill bacteria. Hence it is used for sterilization purpose.
Description : Reverse osmosis is also called (A) Dialysis (B) Electrodialysis (C) Diffusion (D) Ultra-filtration
Last Answer : (D) Ultra-filtration
Description : Defination of Ultra filtration
Last Answer : Ultra filtration: It is the process of separating the colloidal particles from the solvent and the solute present in colloida solution by ultra filter paper.
Description : Oilish impurities present the effluent discharged from the electroplating industry is normally not removed by (A) Chemical coagulation (B) Floatation & skimming (C) Centrifugation (D) Ultra filtration
Last Answer : (A) Chemical coagulation
Description : Differentiate between reverse osmosis membrane process with ultra filtration membrane
Last Answer : The main difference between reverse osmosis and ultrafiltration is that ultrafiltration membranes have larger pore sizes than reverse osmosis membranes, ranging from 1 to 100 nm. Ultrafiltration membranes are ... uses a hollow fiber membrane to stop solid debris and microscopic contaminants.
Description : Which of the following is bactericidal? A.Membrane filtration B.Ionizing radiation C.Freeze-drying D.Deep freezing
Last Answer : B.Ionizing radiation
Description : The most suitable pore size for bacterial filtration in a membrane filter is ------- A 0.22 mm B 0.45 nm C 0.22 µm D 30 µm
Last Answer : C 0.22 µm
Description : Will leaving creatine for a few hours in a hot car cause the potency to go down? If so in what way?
Last Answer : I can’t find anything on this online. It thinks I mean dissolving creatine in hot beverages. But what I’m wondering is, does this affect the amount of creatine absorbed into the body?
Description : According to Hahnemann, which scale of potency is capable of producing medicines of highest development of power and mildest action Options: 1) Straight Potency 2) Jumping Potency 3) Decimal Stale of Potency 4) Fifty Millesimal Scale of Potency
Last Answer : Correct Answer: 4) Fifty Millesimal Scale of Potency
Description : I have a Kenmore Ultra Bake electric oven, model # 665.95142300. The broiler unit went out several months ago and now the oven unit won't heat up to full temperature, We tried replacing thermostat but that didn't fix problem. Sincerely, Kwame Diehl?
Last Answer : Check the oven elements.
Description : Your employer makes an attempt to update office sterilization procedures; what would you recommend as the BEST method to verify that sterilization has occurred:** A. Use spore test daily B. Use ... daily and spore test monthly E. Use colour change tape in each load and spore tests weekly
Last Answer : E. Use colour change tape in each load and spore tests weekly
Description : Write in detail about moist heat method of sterilization
Last Answer : Principle: The steam has more penetration power than dry heat and thermal capacity of steam is more than thermal capacity of dry heat. The method is useful for killing of bacterial spores. ... for powder or oils. It is not suitable for sterilization of plastic which melt at 1150C.
Description : Describe dry heat method of sterilization in detail.
Last Answer : Principle: All the microorganism including spores are destroyed. Principle of killing is by dehydration and oxidation of essential metabolites. In hot air oven heating is done at 1600 C for 2 hours. ... off the oven. Allow to cool. Take out the material. Diagram:
Description : Give principle, method and application of sterilization using UV radiation.
Last Answer : Principle: Direct sunlight can destroy the microorganism on account of its ultra-violet rays of longer wave length. UV light of shorter wavelength kills or inactivates microorganisms by ... . Sterilization of thermolabile material. Sterilization of surface of working table.
Description : Give the significance of sterilization using bactericidal solution, explain the method and name the bactericidal agents.
Last Answer : Significance: The lethal effect of bactericide increases with the rise of temperature. This method is used for sterilizing aqueous preparation, which is unstable at the higher temperature, hence moist heat ... minutes in boiling water. IP 1985 permitted the use of following bactericides
Description : Which of the following waves cannot be polarized? (1) Radio (2) Ultra violet (3) Infrared (4) Ultrasonic
Last Answer : (4) Ultrasonic Explanation: Only transverse waves (such as radio, ultraviolet and infrared waves) can be polarized since their vibrations can potentially occur in all directions perpendicular to the direction of travel. It is therefore possible to confine the vibrations to a single plane.
Description : The ozone layer protects us from - (1) Ultra violet rays (2) Radio waves (3) Visual radiation (4) Infrared radiation
Last Answer : (1) Ultra violet rays Explanation: The ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (UVR) from the sun, protecting life on Earth from its potentially harmful effects.
Description : To measure the speed of an approaching car a police officer shines – (1) light waves on it (2) microwaves on it (3) radio waves on it (4) ultra high frequency waves on it
Last Answer : (3) radio waves on it Explanation: Radar, which stands for radio detection and ranging, is a system that uses reflected radio waves to detect objects and measure their distance and speed. For example, police use radar to calculate the speed of cars.
Description : Which of the following waves cannot be polarised? (1) Radio (2) Ultra violet (3) Infrared (4) Ultrasonic
Last Answer : Ultrasonic
Description : To measure the speed of an approaching car a police officer shines (1) light waves on it (2) microwaves on it (3) radio waves on it (4) ultra high frequency waves on it
Last Answer : radio waves on it
Description : List the precautions to be taken while using hot air oven.
Last Answer : 1. Glass apparatus and equipment should be wrapped individually. 2. Articles should be placed in such away that they should not interfere with air flow 3. Once in operation oven should not be open ... substance should never be sterilized in hot air oven. 6. It should never be over loaded.
Description : Write the precautions to be taken while placing the material in hot air oven
Last Answer : 1. It should be filled to its capacity only should not be overloaded. 2. Glass apparatus and equipment should be wrapped individually. 3. Articles should be placed in such a way that ... Proper biological indicators should be used 7. Thermolabile substance should not be sterilized in hot air oven
Description : Which of the following parts of the sunlight makes the solar cooker hot? (1) Ultra violet (2) Red light (3) Infra red (4) Cosmic rays
Last Answer : (3) Infra red Explanation: Glass transmits visible light but blocks infrared thermal radiation from escaping. This amplifies the heat trapping effect. A solar cooker, or solar oven, is a device which ... The vast majority of the solar cookers presently in use are relatively cheap, low-tech devices.
Description : Which of the following parts of the sunlight makes the solar cooker hot ? (1) Ultra violet (2) Red light (3) Infra red (4) Cosmic rays
Last Answer : Infra red
Description : What is the advantage of flash pasteurization? a. It Doesn't Get As Hot b. It Is Faster c. It Is Also Used For Solids, Not Just Liquids d. It Also Sterilizes The Liquid
Last Answer : b. It Is Faster
Description : Which classification would include prokaryote cells that live in extreme conditions like hot springs and the Dead sea? a. Bacteria b. Fungi c. Viruses d. Archaea
Last Answer : d. Archaea
Description : High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to (A) Flocculate the impurities (B) Facilitate fast filtration (C) Both (A) and (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) and (B)
Description : Can an ultra sound be done on the side of your face near your ear?
Last Answer : As this article shows, ultrasound of the face and head can be done.
Description : Growth of the baby in the uterus is found using - (1) X-rays (2) Gamma rays (3) Ultra sound (4) Ultraviolet rays
Last Answer : (3) Ultra sound Explanation: Ultrasound is a technique that uses sound waves to show a picture of a baby (fetus) in the uterus. It works by bouncing sound waves off the developing fetus. Echoes ... moving or still picture, called 43$ a sonogram, on a screen. The technique is also called sonography.
Description : In MRI machine, which one of the following is used? (1) Sound wave (2) X-ray (3) Ultra-sound wave (4) Magnetic wave
Last Answer : (4) Magnetic wave Explanation: Magnetic resonance imaging (MRI), nuclear magnetic resonance imaging (NMRI), or magnetic resonance tomography (MRT) is a medical imaging technique used in radiology t o ... of the property of nuclear magnetic resonance (NMR) to image nuclei of atoms inside the body.
Description : Growth of the baby in the uterus is found using (1) X-rays (2) Gamma rays (3) Ultra sound (4) Ultraviolet rays
Last Answer : Ultra sound
Description : In MRI machine, which one of the following is used? (1) Sound wave (2) ‘X’-ray (3) Ultra-sound wave (4) Magnetic wave
Last Answer : Magnetic wave
Description : Air/gas ratio for complete combustion will be the highest for (A) LPG (B) Gobar gas (C) Coke oven gas
Last Answer : (A) LPG
Description : Which of the following is used in oven? (1) X-rays (2) UV-rays (3) Microwaves (4) Radio waves
Last Answer : (3) Microwaves Explanation: An oven is a thermally insulated chamber used for the heating, baking or drying of a substance and most commonly used for cooking.
Description : A crackling sound associated with myonecrosis is due to a. Respiratory Distress Due To Plague. b. Nerve Contractions Due To Tetanus. c. Lymph Node Swelling Due To Plague. d. Gas Produced By C. Perfringens.
Last Answer : d. Gas Produced By C. Perfringens.