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  • Section 9 Sources of Radiation to the Human Population

  • Section 9 Sources of Radiation to the Human Population Questions

     

    1. Based on cancer risks in the BEIR V committee report, the number of cancer deaths in the general public in the United States as a result of nuclear power plant accidents is estimated to be closest to _____.
    A. 1
    B. 10
    C. 100
    D. 1,000

    2. The International Commission on Radiological Protection (ICRP) estimates of the total number of cases of cancer of all types produced by a total body exposure of a working population to 1 Sv of low-LET radiation at a low-dose rate is closest to __________.
    A. 4 in 100
    B. 4 in 1,000
    C. 4 in 10,000
    D. 4 in 100,000

    3. Which of the following statements characterize findings in the study of the atomic bomb survivors in Hiroshima and Nagasaki? (Select all that apply.)
    A. Less than 2,000 excess radiation-induced malignancies were found.
    B. There was an increased risk of radiation-induced breast cancer.
    C. There was an increased incidence of mental retardation in children exposed in utero.
    D. No statistically significant excess heritable effects in children of those exposed were found.

    4. For each of the following quantities (1–4), match the dose (in millisieverts) (A–D).

    1. Average background radiation in the United States, including radon
    2. Dose limit per month (NCRP) to an occupationally exposed worker who has declared her pregnancy
    3. Dose received in flying across the Atlantic in a commercial jetliner
    4. Genetically significant dose from medical radiation in the United States
    A. 0.05
    B. 0.25
    C. 0.50
    D. 3 3.0

    5. Which of the following statements correctly describe radon? (Select all that apply.)
    A. Concentrations are higher in the basement of a house than outside.
    B. The BEIR VI committee estimates that radon is the cause of 10% of lung cancer cases in the United States.
    C. Decay of radon involves emission of alpha particles.
    D. The half-life of radon is 1,600 years.
    E. The parent element of radon is radium.

    6. Which of the following statements characterize radon? (Select all that apply.)
    A. Radon is a naturally occurring radioactive gas.
    B. Radon contributes a larger average effective dose to the U.S. population than do medical x–rays.
    C. The action level of radon recommended by the EPA is 4 pCi/L.
    D. The half-life of radon is 1,600 years.
    E. The effective radiation emitted by radon daughters is in the form of gamma rays.

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Discounted Dues: Eligible North American Countries 
Belize
Costa Rica
Dominican Republic
El Salvador
Grenada
Guatamala
Haiti
Honduras
Jamaica
Netherlands Antilles
Nicaragua
Panama
St.Lucia
St. Vincent & Grenadines
Country    Country    Country 
Afghanistan   Grenada   Pakistan
Albania   Guatemala   Papua New Guinea
Algeria   Guinea   Paraguay
Angola   Guinea-Bissau   Peru
Armenia   Guyana   Phillippines
Azerbaijan   Haiti   Rwanda
Bangladesh   Honduras   Samoa
Belarus   India   Sao Tome & Principe
Belize   Indonesia   Senegal
Benin   Iran   Serbia
Bhutan   Iraq   Sierra Leone
Bolivia   Jordan   Solomon Islands
Bosnia & Herzegovina   Jamaica   Somalia
Botswana   Kenya   South Africa
Bulgaria   Kiribati   South Sudan
Burkina Faso   Korea, Dem Rep (North)   Sri Lanka
Burundi   Kosovo   St Lucia
Cambodia   Kyrgyzstan   St Vincent & Grenadines
Cameroon   Laos\Lao PDR   Sudan
Cape Verde   Lesotho   Swaziland
Central African Republic   Liberia   Syria
Chad   Macedonia   Tajikistan
China   Madagascar   Tanzania
Colombia   Malawi   Thailand
Comoros   Maldives   Timor-Leste
Congo, Dem. Rep.   Mali   Togo
Congo, Republic of   Marshall Islands   Tonga
Cote d'Ivoire   Mauritania   Tunisia
Djibouti   Micronesia, Fed. Sts.   Turkmenistan
Dominica   Moldova   Tuvalu
Domicican Republic   Mongolia   Uganda
Ecuador   Montenegro   Ukraine
Egypt   Morocco   Uzbekistan
El Salvador   Mozambique   Vanuatu
Eritrea   Myanmar   Vietnam
Ethiopia   Namibia   West Bank & Gaza
Fiji   Nepal   Yemen
Gambia, The   Nicaragua   Zambia
Georgia   Niger   Zimbabwe
Ghana   Nigeria    

Legacy Collection 2
Radiology Logo
RadioGraphics Logo 
Tier 1

  • Bed count: 1-400
  • Associate College: Community, Technical, Further Education (UK), Tribal College
  • Community Public Library (small scale): general reference public library, museum, non-profit administration office

Tier 2

  • Bed count: 401-750
  • Baccalaureate College or University: Bachelor's is the highest degree offered
  • Master's College or University: Master's is the highest degree offered
  • Special Focus Institution: theological seminaries, Bible colleges, engineering, technological, business, management, art, music, design, law

Tier 3

  • Bedcount: 751-1,000
  • Research University: high or very high research activity without affiliated medical school
  • Health Profession School: non-medical, but health focused

Tier 4

  • Bed count: 1,001 +
  • Medical School: research universities with medical school, including medical centers

Tier 5

  • Consortia: academic, medical libraries, affiliated hospitals, regional libraries and other networks
  • Corporate
  • Government Agency and Ministry
  • Hospital System
  • Private Practice
  • Research Institute: government and non-government health research
  • State or National Public Library
  • Professional Society: trade unions, industry trade association, lobbying organization