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Ionizing radiation can cause health effects depending on the duration of exposure. Cesium-137 and iodine-131 are especially dangerous because iodine-131 is absorbed by the thyroid gland where it can cause tumors, and it has a short half-life of 8 days, posing risks especially to children. Small doses of radiation over a lifetime that total 10,000 microsieverts may result in 5-6 additional cancer deaths per 10,000 people exposed compared to those not exposed.
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This document discusses the different types of radiation and their health effects. It outlines ionizing radiation, which can break down body structures and cause nausea, fatigue, hair loss, and death at high levels. Two types of radiation from Fukushima are cesium-137, which can cause sarcoma and contaminate foods/water, and iodine-131, which can cause thyroid tumors but can be prevented with iodine tablets. The document concludes by noting the need to monitor radiation levels until Fukushima is stopped and consider new energy resources to replace nuclear power.
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The document discusses the health effects of radiation exposure. There are two types of radiation - ionizing and non-ionizing. Ionizing radiation is dangerous as it can break chemical bonds. Exposure to ionizing radiation can cause initial symptoms like nausea and fatigue with heavier exposures damaging organs. Different levels of exposure are measured in sieverts, with exposures over 500,000 microsieverts causing health effects and over 4,000,000 microsieverts being lethal. Radionuclides from nuclear events can contaminate the environment and accumulate in food and water.
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1) Authorities sheltered over 170,000 people within 12 miles of the nuclear plant and distributed iodine tablets to those within 20 miles. At least 200 people were exposed to radiation.
2) Radiation is categorized as ionizing or non-ionizing. Ionizing radiation like x-rays and gamma rays is more dangerous as it can destroy chemical bonds and cause cancer.
3) Effects of radiation exposure depend on duration but initially include nausea, tiredness, vomiting, and later hair loss, diarrhea, and potentially organ damage and death at higher exposures.
Possible health effects_of_nuclear_crisis_1
The document discusses the potential health effects of radiation exposure from the Fukushima nuclear crisis. It explains that there are two types of radiation: non-ionizing and ionizing. Ionizing radiation, which includes gamma rays and X-rays, can cause cancer if a person is exposed in large enough doses. Symptoms of radiation exposure include nausea, fatigue, vomiting, hair loss and diarrhea. The document also notes that radioactive iodine and cesium emitted from the Fukushima plant can be absorbed by the body and pose health risks, particularly to children, if exposure levels are high enough. It concludes that while not all radiation is dangerous, increased exposure could raise cancer risks.
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The document discusses the health effects of radiation exposure from the Fukushima Daiichi nuclear power plant accidents. It describes that large amounts of radionuclides were released, forcing over 170,000 people to evacuate within 12 miles of the plant. It then explains the types of radiation and their effects, noting that ionizing radiation can break chemical bonds and cause cancer. Specific radionuclides released, iodine-131 and cesium-137, are discussed along with their health risks like increased risk of thyroid cancer. Finally, it concludes by emphasizing the need to avoid rumors and overreaction while gaining proper knowledge about radioactivity.
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This document discusses the effects of radiation exposure from nuclear plants. It explains that ionizing radiation can break chemical bonds and cause cancer, while exposure leads to symptoms like nausea, fatigue, hair loss, and organ damage. Two particularly dangerous radioactive materials released are cesium-137 and iodine-131. Cesium-137 accumulates in the environment, while iodine-131 is absorbed by the thyroid and can cause tumors, especially in children. The conclusion is that radiation from nuclear events is very dangerous and it is important to limit exposure time outside.
assignment
Ionizing radiation from sources like x-rays and radioactive particles can cause health effects such as cancer if exposure is prolonged. Internal exposure from ingesting radioactive materials like cesium-137 or iodine-131, which accumulate in different parts of the body, is especially dangerous as they cannot be easily removed and expose tissues to radiation over time. Prolonged exposure to ionizing radiation can lead to symptoms like nausea, fatigue, hair loss, and diarrhea, and higher doses may damage the central nervous system or cause death.
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This document discusses different types of radiation and their effects. It compares ionizing radiation, which can break chemical bonds and cause cancer, to non-ionizing radiation, which does not break bonds and is generally not harmful. It describes the symptoms a person exposed to ionizing radiation may experience, from initial nausea and fatigue to organ damage and death depending on exposure level. It also distinguishes radiation effects from a nuclear explosion, which produces lethal gamma rays and long-lived radioactive fallout, from a nuclear plant accident like Fukushima, which emits radioactive cesium and iodine. Cesium-137 and Iodine-131 are highlighted as particularly dangerous due to their ability to contaminate food and water supplies.
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An 8.9 magnitude earthquake and tsunami struck northeast Japan on March 11, damaging the Fukushima Daiichi nuclear power plant and causing radiation leaks. Residents within 5km were evacuated and told to shelter indoors to reduce radiation exposure. Poor air quality from fires also raises health concerns, with risks including respiratory irritation and exacerbating existing conditions. Masks and limiting outdoor activities can help minimize risks.
Possible health effects of nuclear crisis
Ionizing radiation can break chemical bonds and cause health effects like nausea, fatigue, vomiting, hair loss and diarrhea. Exposure to 500,000 microsieverts can cause nausea and fatigue within hours, while 750,000 microsieverts leads to hair loss within a few weeks. A million microsieverts can cause hemorrhaging and 4 million microsieverts usually leads to death. The Chernobyl disaster directly caused 50 deaths within months and is estimated to eventually cause 4000 radiation-related deaths.
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14 Effects of Radiation on the Human Body and the Environment.pdf
Almost every day, you come into contact with or are exposed to small doses of radiation. This radiation is produced by both man-made and natural sources, such as the sun's rays (such as microwave ovens and medical X-rays).But a radiation event, such as a nuclear power plant disaster, can expose you to high, dangerous levels.
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Special problems
This document discusses paradoxical vocal fold motion (PVFM), also known as vocal cord dysfunction. It describes PVFM as a condition where the vocal folds adduct during inhalation and/or exhalation, causing upper airway obstruction. Common signs and symptoms include asthma-like breathing difficulties and sensations of tightness in the laryngeal area. At-risk populations tend to be women ages 20-40 with over 12 years of education working in healthcare. Differential diagnosis requires a multidisciplinary evaluation. Treatment involves patient education, speech therapy, and in rare cases surgery. The document also discusses considerations for voice therapy with transgender clients.
Problems in counseling
Counseling within organizations can conflict with business values and employee roles. Managers acting as counselors face challenges reconciling their assessment/control roles with counseling's focus on individual growth. Specifically:
1) Counseling aims to empower individuals, while organizations want controlled employees.
2) Managers prioritize performance/goals over individual needs, whereas counselors focus on the individual.
3) As authority figures, managers' power dynamics differ from independent counselors who lack influence over clients' situations.
4) Employees may see problems as others' faults rather than owning issues themselves, complicating the counseling process. Managing these role conflicts is important for effective organizational counseling.
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Presentation By
Smaranika Tripathy , Clinical Psychologist at COLUMBIA ASIA HOSPITAL & RUBY GENERAL HOSPITAL
Counselling Technique
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Counselling ppt
Counseling in the workplace helps employees solve psychological or job-related problems so they can perform tasks effectively. It makes employees feel less anxious and more motivated to solve problems. Counseling also provides professional help when needed. It allows employees to express themselves, which improves communication in the organization and overall performance. Counseling reduces stress and increases enthusiasm for achieving organizational objectives. It gives employees confidence and reassurance to persist during difficulties.
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Ionizing radiation from nuclear plants and explosions can damage human health by breaking chemical bonds and causing cancer. The effects depend on exposure time, with initial symptoms being nausea and fatigue and higher exposures potentially causing organ damage, loss of consciousness, and death. Two types of radiation produced by nuclear reactions - cesium-137 and iodine-131 - are especially dangerous as they can accumulate in food and water and irradiate the body from inside over long periods of time due to their long half-lives. Exposure levels over 500,000 microsieverts can make people sick within hours or weeks depending on dose.
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2) Radiation is categorized as ionizing or non-ionizing. Ionizing radiation like x-rays and gamma rays is more dangerous as it can destroy chemical bonds and cause cancer.
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Possible health effects_of_nuclear_crisis_1
The document discusses the potential health effects of radiation exposure from the Fukushima nuclear crisis. It explains that there are two types of radiation: non-ionizing and ionizing. Ionizing radiation, which includes gamma rays and X-rays, can cause cancer if a person is exposed in large enough doses. Symptoms of radiation exposure include nausea, fatigue, vomiting, hair loss and diarrhea. The document also notes that radioactive iodine and cesium emitted from the Fukushima plant can be absorbed by the body and pose health risks, particularly to children, if exposure levels are high enough. It concludes that while not all radiation is dangerous, increased exposure could raise cancer risks.
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The document discusses the health effects of radiation exposure from the Fukushima Daiichi nuclear power plant accidents. It describes that large amounts of radionuclides were released, forcing over 170,000 people to evacuate within 12 miles of the plant. It then explains the types of radiation and their effects, noting that ionizing radiation can break chemical bonds and cause cancer. Specific radionuclides released, iodine-131 and cesium-137, are discussed along with their health risks like increased risk of thyroid cancer. Finally, it concludes by emphasizing the need to avoid rumors and overreaction while gaining proper knowledge about radioactivity.
Health effect of nuclear crisis
Ionizing radiation can be harmful by breaking molecules like DNA and causing cancer. The effects of radiation exposure include initial nausea and fatigue, then potential hair loss, diarrhea, organ damage, and eventually death at high levels. While nuclear power plants operate at lower uranium concentrations than nuclear bombs, radiation from the Fukushima crisis included dangerous iodine-131 and cesium-137 isotopes. Exposure levels over 500,000 microsieverts can cause short-term sickness, and doses over 1 million microsieverts lead to further health issues.
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assignment
Ionizing radiation from sources like x-rays and radioactive particles can cause health effects such as cancer if exposure is prolonged. Internal exposure from ingesting radioactive materials like cesium-137 or iodine-131, which accumulate in different parts of the body, is especially dangerous as they cannot be easily removed and expose tissues to radiation over time. Prolonged exposure to ionizing radiation can lead to symptoms like nausea, fatigue, hair loss, and diarrhea, and higher doses may damage the central nervous system or cause death.
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This document discusses different types of radiation and their effects. It compares ionizing radiation, which can break chemical bonds and cause cancer, to non-ionizing radiation, which does not break bonds and is generally not harmful. It describes the symptoms a person exposed to ionizing radiation may experience, from initial nausea and fatigue to organ damage and death depending on exposure level. It also distinguishes radiation effects from a nuclear explosion, which produces lethal gamma rays and long-lived radioactive fallout, from a nuclear plant accident like Fukushima, which emits radioactive cesium and iodine. Cesium-137 and Iodine-131 are highlighted as particularly dangerous due to their ability to contaminate food and water supplies.
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An 8.9 magnitude earthquake and tsunami struck northeast Japan on March 11, damaging the Fukushima Daiichi nuclear power plant and causing radiation leaks. Residents within 5km were evacuated and told to shelter indoors to reduce radiation exposure. Poor air quality from fires also raises health concerns, with risks including respiratory irritation and exacerbating existing conditions. Masks and limiting outdoor activities can help minimize risks.
Possible health effects of nuclear crisis
Ionizing radiation can break chemical bonds and cause health effects like nausea, fatigue, vomiting, hair loss and diarrhea. Exposure to 500,000 microsieverts can cause nausea and fatigue within hours, while 750,000 microsieverts leads to hair loss within a few weeks. A million microsieverts can cause hemorrhaging and 4 million microsieverts usually leads to death. The Chernobyl disaster directly caused 50 deaths within months and is estimated to eventually cause 4000 radiation-related deaths.
Radiation diseases
diseases caused by exposure to radiations, pattern of radiation damages, symptoms, diagnosis and treatment.
Radiation effects
The document discusses several key questions about radiation effects: how much radiation is required to increase health risks, what health effects can occur from radiation exposure, and whether any level of radiation can be considered safe. It provides answers to these questions along a continuum, noting that risks depend on factors like radiation type, dose, and location of exposure in the body. While low levels of radiation are generally considered safe and unlikely to cause observable health effects, the linear no-threshold model assumes any dose carries a small risk of effects like cancer.
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Almost every day, you come into contact with or are exposed to small doses of radiation. This radiation is produced by both man-made and natural sources, such as the sun's rays (such as microwave ovens and medical X-rays).But a radiation event, such as a nuclear power plant disaster, can expose you to high, dangerous levels.
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Possible health effects
Ionizing radiation from the Fukushima nuclear accident poses health risks. Exposure to high levels of radiation can cause nausea, hair loss, hemorrhaging and death. While radiation levels near Fukushima are elevated, levels in Tokyo are only 10 times higher than normal which is still considered very low and unlikely to cause immediate health effects. However, Japan will need to monitor long term health consequences from the accident.
assignment2
Radiations can affect human health and cause symptoms like nausea, vomiting, and hair loss. Exposure to radiation decreases white blood cells and can lead to cancers like leukemia and lung cancer. The atomic bombs dropped on Hiroshima and Nagasaki in 1945 exposed many people to high levels of radiation and caused much suffering. Nuclear power plant accidents like at Three Mile Island have also led to radiation exposure incidents. While radiation has medical uses like cancer treatment, excessive exposure can have negative health effects.
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14 Effects of Radiation on the Human Body and the Environment.pdf
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- 1. Possible health effects of nuclear crisis s1180195 Takamasa Hirasawa
- 2. All radiation is not harmful There are two types of radiation: non-ionizing and ionizing.
- 3. What happens when someone is exposed to ionizing radiation? That depends on how long you are exposed.
- 4. How does radiation released from nuclear plants compare with a nuclear bomb? A nuclear explosion produces two types of radiation that have lethal effects.
- 5. What makes cesium-137 and iodine-131 dangerous? Iodine-131 is absorbed preferentially in the thyroid gland, where it can cause tumors.
- 6. Iodine-131 is absorbed preferentially in the thyroid gland, where it can cause tumors. It has a half-life of eight days and is most dangerous to children because it damages rapidly dividing cells. The problem can be substantially ameliorated by taking tablets of ordinary iodine, which bind to the thyroid and prevent the radioactive iodine from binding.
- 7. How much exposure is enough to make someone sick? The biological risk of exposure to radiation is measured in sieverts.
- 8. In terms of long-term effects, experts estimate that if 10,000 people were each exposed to 10,000 microsieverts of ionizing radiation in small doses over a lifetime, about five or six more people in the group would die of cancer than would be expected without the radiation exposure.