Description : Which of the following causes death by asphyxiation, if its presence inatmospheric air exceeds maximum allowable concentration (i.e. > 50 ppm)? (A) Benzopyrene (B) Peroxyacetyl nitrate (C) Carbon monoxide (D) Sulphur dioxide
Last Answer : (C) Carbon monoxide
Description : Presence of excess fluorine in water causes (A) Dental cavity (B) Tooth decay (C) Fluorosis (D) Respiratory disease
Last Answer : (C) Fluorosis
Description : Carcinogenic air pollutants cause (A) Bone decay (B) Cancer (C) Asphyxiation (suffocation) (D) Anemia
Last Answer : (B) Cancer
Description : Presence of carbon monoxide in atmosphere produced by decomposition of chlorophyll and haemoglobin breakdown of some animals, beyond TLV (>50 ppm) (A) Acts as a green house gas thereby raising earth's ... (B) Causes asphyxia (C) Causes increase in sea level (D) Enhances the green house effect
Last Answer : (B) Causes asphyxia
Description : What are the causes of tooth decay? How it can be prevented?
Last Answer : Causes: - i) Main cause is sugar coating left by sugary food in teeth. ii) These sugars convert into acid by bacteria. iii) The acid damages the enamel and infects the dentine and pulp cavity. ... ) We should clean our teeth after eating sugary or sticky food. iv) Balanced died should be taken.
Description : Carbon monoxide is a pollutant, which causes (A) Respiratory disease (e.g. asthma) (B) Asphyxiation (suffocation) leading to death (C) Retardation in crop growth (D) Damage to building materials like marble
Last Answer : (B) Asphyxiation (suffocation) leading to death
Description : Pick out the correct statement. (A) Deforestation helps in controlling the green house effect (B) Global warming is detrimental for increase in food productivity and may cause flood and cyclone ( ... natural source of production of SO2 & H2S pollutant (D) Sulphur dioxide causes death by asphyxiation
Last Answer : (B) Global warming is detrimental for increase in food productivity and may cause flood and cyclone
Description : Higher concentration of nitrogen dioxide in atmospheric air causes (A) Cancer (B) Bronchitis (C) Asphyxiation (D) Corrosion
Last Answer : (B) Bronchitis
Description : Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundries causes (A) Asphyxiation (suffocation) (B) Shortness of breath (C) Tuberculosis (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : Inhalation of silica dust by human being causes (A) Asphyxiation (B) Shortness of breath (C) Tuberculosis (D) Both (B) & (C)
Last Answer : (D) Both (B) & (C)
Description : Rotavirus and the noroviruses can both be causes of viral ______ when transferred to humans by ______. a. meningitis; mosquitoes b. meningitis; water c. gastroenteritis; mosquitoes d. gastroenteritis; water
Last Answer : a. meningitis; mosquitoes
Description : Gastroenteritis - Causes, Symptoms, Treatment
Last Answer : Gastroenteritis Information Gastroenteritis, also known as stomach flu, is an inflammation of the body's gastrointestinal tract, which includes the intestines, stomach, esophagus and mouth. This tract is ... can be dangerous. Their bodies might be unable to battle the infection on its own.
Description : Methemoglobinemia?
Last Answer : DefinitionMethemoglobinemia is a blood disorder in which an abnormal amount of hemoglobin builds up in the blood. Hemoglobin is the oxygen-carrying molecule found in red blood cells. In some cases of ... the condition themselves, but they carry the gene that causes the condition. It occurs when the
Description : The most important dose dependent toxicity of dapsone is: A. Methemoglobinemia B. Haemolysis C. Hepatitis D. Dermatitis
Last Answer : B. Haemolysi
Description : Pick up the correct statement from the following: A. Hydrogen sulphide gas in excess, may cause corrosion of concrete sewers B. 4 ppm of Dissolved Oxygen (D.O.) is ensured before discharging the treated ... river C. Solubility of oxygen in sewage is 95% of that of distilled water D. All the above
Last Answer : ANS: D
Description : Assertion : BOD of river polluted by sewage is more than 20 ppm. Reason: Polluted river contains excess of organic matter.
Last Answer : Assertion : BOD of river polluted by sewage is more than 20 ppm. Reason: Polluted river contains excess ... true but reason is wrong D. Both are wrong
Description : .Fluoridation is the adjustment of the fluoride content of a community water supply to optimum levels for caries prevention. Which of the following statement is correct? A. Tooth decay ... in smooth surface caries from in pit and fissures D. Fluoridation increases vulnerability to osteoporosis
Last Answer : C. Greater reduction in smooth surface caries from in pit and fissures
Description : Does chewing gum cause tooth decay ?
Last Answer : Generally speaking , chewing gum does not harm teeth or mouth. However, if children eat gum , it can cause problems in the throat. According to the American Dental Association in clinical trials , ... , but the problem is that sugar makes acid. So sugar-free chewing gum is better. References
Description : How to eliminate tooth decay ?
Last Answer : You go to the Dental doctor . He will remove the gap.
Description : How to get rid of tooth decay ?
Last Answer : We have an idea about cavities. There are many such problems. However, many people think that cavities are caused by insects in the teeth. Or think you have tooth decay. There is no end to our ... If you feel more problems, consult a doctor without neglecting. Take care of your teeth , stay well.
Description : What is the easiest way to prevent tooth decay ?
Last Answer : Some simple habits can easily prevent tooth decay - 1. Teeth should be brushed at least twice a day. But many do not want to be lazy to brush their teeth at night. But at night, tooth decay is more ... Put fish , vegetables and milk on the food list every day . And you must drink water after meals.
Description : How to get rid of tooth decay in a natural way ??? Tell the details. ?
Last Answer : How many things do we do to make our teeth shiny? From expensive toothpaste to regular visit to the dentist , just to whiten yellow teeth. However, all this will not be necessary , if you use a homemade ... you can make your teeth shine in a natural way! You can read more about: Dental care at home
Description : Hello, I have a really big decay. Such a hole through a quarter of a tooth. It doesn't hurt or I have any other problems. I have already booked a dentist, but I have two months off. Can the caries worsen significantly? Thanks for the advice
Last Answer : Need Answer
Description : What is THE LAYER OF BACTERIA THAT CAN LEAD TO TOOTH DECAY?
Last Answer : Feel Free to Answer
Description : To reduce tooth decay most toothpastes contain a – (1) Bromide (2) Fluoride (3) Iodide (4) Chloride
Last Answer : (2) Fluoride Explanation: Fluoride in toothpastes prevent tooth, decay from progressing and can even reverse, or stop, early tooth decay. It works by promoting a chemical reaction in tooth enamel ... itself into enamel weakened by acid attack, making the tooth more resistant to future acid attacks.
Description : Tooth decay is caused by? A. Salt B. Sugar (Answer) C. Calcium D. Formalin
Last Answer : B. Sugar (Answer)
Description : How can biofilms can be useful? a. preventing tooth decay b. keeping surgical sites sterile c. bioremediation d. A-C are correct
Last Answer : c. bioremediation
Description : Which of the following is true in relation to dental decay? A. Foods that require vigorous mastication will increase salivary flow and reduce PH B. Tooth brushing immediately after meals is most ... E. The Stephan Curve describes an increase in PH during a meal with resultant of demineralisation
Last Answer : E. The Stephan Curve describes an increase in PH during a meal with resultant of demineralisation
Description : What is tooth decay or how to keep your teeth healthy?
Last Answer : What is tooth decay or how to keep your teeth healthy? Caries, or pathological decay of teeth, is an extremely common phenomenon in Russia. Statistics show that 80-90% of children suffer from ... better than artificial, for this you need to undergo a mandatory examination at least twice a year.
Description : Cariology is the study of the: a) human heart b) tooth decay c) kidneys d) liver
Last Answer : ANSWER: B -- Tooth Decay
Description : To reduce tooth decay most toothpastes contain a (1) Bromide (2) Fluoride (3) Iodide (4) Chloride
Last Answer : Fluoride
Description : The presence of pollutants in the environment is usually expressed in ppm, where ppm stands for: (1) particles per mole (2) purity per microgram (3) pollutant prevent measures (4) parts per million
Last Answer : (4) parts per million Explanation: PPM is an abbreviation of Parts Per Million. It is commonly used as a measure of small levels of pollutants in air, water, body fluids, etc. Parts per million is the mass ratio between the pollutant component and the solution.
Last Answer : parts per million
Description : Exposure to chemicals having carcinogenic properties cause (A) Dermatitis (skin disorder) (B) Cancer (C) Asphyxiation (suffocation) (D) Asthma
Description : Pick out the wrong statement. (A) Catalytic converter is fitted in automobiles to reduce carbon monoxide concentration in exhaust emissions (B) Inhalation of pollutant carbon monoxide results ... D) Decomposition of plants containing chlorophyll is a natural source of carbon monoxide in atmosphere
Last Answer : (C) Sulphur dioxide is the main pollutant emitted from the exhaust of petrol driven automobiles
Description : Exposure to chemicals having carcinogenic properties cause (A) Dermatitis (skin disorder) (B) Cancer (C) Asphyxiation (D) Asthma
Description : What happened when an excess amount of Nitrogen Fertilizer is Introduced in to Soil Ecosystem? A. Soil Decay B. Soil Acidi_cation C. Soil Residue D. Microbial Activity
Last Answer : D. Microbial Activity
Description : Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about __________ ppm. (A) 1 (B) 50 (C) 5000 (D) 10000
Last Answer : (B) 50
Description : Tolerable concentration of toxic carbon monoxide in atmospheric air is about __________ ppm. (A) 50 (B) 1000 (C) 5000 (D) 10000
Last Answer : (A) 50
Description : Maximum allowable concentration of CO2 in air for safe working is __________ ppm (parts per million). (A) 50 (B) 1000 (C) 2000 (D) 5000
Last Answer : (D) 5000
Description : Beyond what concentration of H2S in air, acute danger to human life exists? (A) 50 ppm (B) 100 ppm (C) 300 ppm (D) 700 ppm
Last Answer : (D) 700 ppm
Description : Threshold limit value (TLV) of CO in air is __________ ppm. (A) 5 (B) 50 (C) 2000 (D) 5000
Description : From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. (A) 5 (B) 50 (C) 500 (D) 5000
Last Answer : (A) 5
Description : Safe limit' called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the (A) Industrial chimney exhaust (B) Automobiles exhaust (C) Photochemical reaction in polluted atmosphere (D) Burning of domestic fuel
Last Answer : (B) Automobiles exhaust
Description : If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur. (A) 50 (B) 500 (C) 1000 (D) 3000 (i.e. 0.3%
Last Answer : (D) 3000 (i.e. 0.3%
Description : TLV of NO2 & NO exposure for the human being is 5 & 25 ppm respectively. Prolonged exposure of human being to NO2 causes (A) Skin disorder (B) Bronchitis (C) Bone disease (D) Cancer
Description : An important cause of water intoxication is (A) Nephrogenic diabetes insipidus (B) Renal failure (C) Gastroenteritis (D) Fanconi syndrome
Last Answer : Answer : B
Description : what is the most common cause of death in patients with Ludwig's angina? sepsis Sudden asphyxiation rupture of the wall ____________________
Last Answer : Sudden asphyxiation
Description : Which of the following statement about the defective margins of amalgam restorations is true?+M07 A. The larger the breakdown, the greater the chance of decay. IF THERE IS MARGINAL BREAKDOWN THIS DOSNT NECESSITATE THE PRESENCE OF CARIES ALONG MARGIN So the ans is Chances are increased
Last Answer : A. The larger the breakdown, the greater the chance of decay.