Exam 9: Late Deterministic and Stochastic Radiation Effects on Organ Systems

In which of the following human populations is the risk for causing a radiation-induced cancer not directly measurable? 1)All patients in diagnostic radiology subjected to a radiation dose below 0.1 Sievert 2)Chernobyl radiation accident victims living in contaminated villages 3)Japanese atomic bomb survivors

Radiation dose-response curves can be used to predict the risk of ______________ in human populations that have been exposed to low levels of ionizing radiation.

Today,as a result of programs stressing radiation safety education and protective devices,radiation workers employed in medical imaging:

When a prediction is made that the number of excess cancers in a given population will increase as the natural incidence of cancer increases in that population with age,the risk is described by which of the following terms?

Which of the following groups of people exposed to ionizing radiation provide proof that low-level radiation exposure produces late effects?

Studies of postpartum patients treated with ionizing radiation for relief of mastitis are a group of individuals in whom the results of radiation exposure to healthy breast tissue indicate that radiation:

In general,laboratory experiments with mice prove that cataracts may be induced with doses of ionizing radiation as low as:

For an accurate estimate of the number of radiation-induced leukemias and other malignancies that may occur in some of the 135,000 evacuees from the 1986 nuclear power station accident in Chernobyl,Ukraine,the exposed population must _______.

Genetic effects from exposure to ionizing radiation occur as a result of radiation-induced damage to the DNA molecule in which of the following? 1)Sperm of a man 2)Ova of a woman 3)Somatic cells of men and women

Radiation-induced abnormalities are caused by unrepaired damage to:

Normally,mutations in genetic material occur spontaneously,without a known cause.A genetic disorder is present in approximately _______ of all live births in the United States.

What do agents such as chemicals,elevated temperatures,ionizing radiation,and viruses have in common?

Uranium miners in the Colorado plateau who developed lung cancer years after exposure provide an example of which of the following?

During the preimplantation stage of development,a radiation dose of 0.05 to 0.15 Gyt delivered to a human fertilized ovum will result in which of the following?

The human body can incorporate radium into bone because it is chemically similar to:

Of the following late effects caused by exposure to ionizing radiation,which effect is considered to be most important?

Radiation-induced cataracts in humans follow a ______ dose-response relationship.

After the 1986 nuclear power station accident in Chernobyl,Ukraine,an attempt was made to prevent thyroid cancer in children in Poland and some other countries as a consequence of accidental overdose of iodine-131; _______________ was administered as a substitute for take-up of iodine-131.

Existing data on radiation-induced genetic effects in humans :

Radium decays with a half-life of: