front 1 As a result of numerous reported patient injuries that have been associated with the use of _______________, better management of the use of such procedures is essential.
| back 1 high-level fluoroscopy |
front 2 The correct order of development of the male germ cell from the stem cell phase to the mature cell is:
| back 2 spermatogonia, spermatocyte, spermatid, sperm |
front 3 Atrophy refers to:
| back 3 shrinkage of organs and tissues after a high radiation dose is received |
front 4 _____ syndrome is not a form of acute radiation syndrome.
| back 4 Carcinogenic |
front 5 Which of the following are classified as early (acute) deterministic somatic effects of ionizing radiation?
| back 5 Nausea, epilation, intestinal disorders |
front 6 Attempts have been made to measure chromosome aberrations after diagnostic x-ray imaging procedures:
| back 6 but successful results have not been achieved in these studies |
front 7 The hematopoietic form of acute radiation syndrome is also called the _____ syndrome.
| back 7 bone marrow |
front 8 Genetic mutations have been produced in experimental female animals when their ovaries were irradiated with doses as low as _____ Gy (_____ rad).
| back 8 0.25; 25 |
front 9 A single absorbed dose of 2 Gy (200 rad) can cause a radiation-induced skin erythema within _____ hour(s) after irradiation.
| back 9 24 to 48 |
front 10 A decrease in the number of neutrophils can be caused by a radiation dose of _____ Gy (_____ rad).
| back 10 0.5; 50 |
front 11 The prodromal stage of acute radiation syndrome is also referred to as the:
| back 11 initial stage |
front 12 For persons with hematopoietic syndrome, survival time shortens as the radiation dose:
| back 12 increases |
front 13 Grenz rays were once used to treat and cure:
| back 13 skin diseases, such as ringworm |
front 14 The correct order of development for the female germ cell from the stem cell phase to the mature cell is:
| back 14 primordial follicle, mature follicle, corpus luteum, ovum |
front 15 Research has shown that repeated radiation injuries have a _____ effect.
| back 15 cumulative |
front 16 In 1898, after suffering severe burns attributed to radiation exposure, which Boston dentist began investigating the hazards of radiation exposure and became the first known advocate of radiation protection?
| back 16 William Herbert Rollins |
front 17 Studies of radiation therapy patients who received orthovoltage radiation therapy treatments provide _____ evidence of skin damage caused by radiation exposure.
| back 17 significant |
front 18 Which of the following is the reason why the ovaries should be shielded whenever possible during all imaging procedures?
| back 18 Gonadal irradiation of the ovaries can result in genetic mutations that can be passed on to future generations. |
front 19 Revised atomic bomb data for Hiroshima and Nagasaki suggest that radiation-induced leukemias and solid tumors occurring in the survivors may be attributed to exposure to which of the following?
| back 19 Gamma radiation |
front 20 The term LD 50/30 signifies the whole-body dose of radiation that can be lethal to ____% of the exposed population in _____ days.
| back 20 50; 30 |
front 21 In the female the oogonia, the ovarian stem cells:
| back 21 multiply to millions of cells only during fetal development |
front 22 During the major response stages of acute radiation syndrome after the initial stage, the period when symptoms that affect the hematopoietic, gastrointestinal, and cerebrovascular systems become visible is called:
| back 22 manifest illness |
front 23 Moist and dry desquamation can be caused by:
| back 23 high radiation doses |
front 24 Some local tissues suffer immediate consequences from high radiation doses. Examples of such tissues include:
| back 24 1, 2, and 3 |
front 25 A term that is synonymous with epilation is:
| back 25 alopecia |