QUESTIONS AND ANSWERS
Manifest Production - ANS 1. The period of time after an acute exposure to radiation in
which effects of the exposure are seen is called
Chromosone - ANS The most radiosensitive part of a normal human cell is the
Cataracts - ANS A large radiation exposure to the lens of the eye will most likely result in the
formation
3-5 Weeks - ANS Death that follows an acute exposure to radiation of about 500 rems will
generally occur in about
indirect effect - ANS 5. The majority of damage to the body from radiation exposure results
from the:
Threshold Effect - ANS 5. The majority of damage to the body from radiation exposure
results from the:
Erythema - ANS A noticeable skin reaction due to radiation exposures of over 150 R is called:
1 and 2 Differentiation and Reproductive Activity - ANS 8. The laws of Bergonie and
Tribondeau state that radiation damage to a cell is related to: 1. Differentiation 2. Reproductive
activity 3. Size and weight
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, Nausea - ANS 9. The first sign of the acute radiation syndrome followed by a large exposure
of radiation is usually
Incident Photon - ANS The incoming photon before any interaction with matter takes place is
called the:
Exposure to excessive heat, damage to film wrapper, submersion of the badge in fluides -
ANS 11. When film badges are employed for radiation monitoring, which of the following
factors may affect the reading of the badge?
Collar outside of the apron - ANS When lead are employed, a radiation monitoring device
should be worn at the level of the:
Flat contact shield, shadow shield, shaped contact shield - ANS Which is a type of gonadal
shielding device currently available?
Patient being radiographed - ANS 14. The principal source of scatter when performing a
radiographic examination is the:
Increase 2 times - ANS During radiographic procedure if the patient dose is increased by
factor of the dose to the radiographer would:
2.5 mm - ANS 16. Which of the following represents the amount of protective lead required
around the average x-ray tube?
Tume of exposure is as short as possible - ANS In regard to the three important factors for
radiation protection, the lowest exposure is possible if the:
All of the above - ANS 18. Gonadal shielding should be employed if the:
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