BRMS600 SEM 2 TEST WITH
COMPLETE SOLUTION
The Linear Non-Threshold model of radiosensitivity assumes that - Answer There is no
safe level of radiation exposure
For most countries what is the greatest source of background radiation dose: - Answer
radon gas
example of low linear energy transfer radiation? - Answer all of the below
- xrays
- gamma rays
- cosmic rays
What is the probability of a radiation burn being induced by a routine x-ray examination?
- Answer no chance
what statements is true about radiation induced leukemia? - Answer The probability of
induction increases with increasing radiation dose
A single CT abdomen scan can increase the lifetime risk of developing cancer by: -
Answer Low risk: 1 in 1000
How long is the latency period for breast cancer? - Answer 22 years
Which of the following statements most strongly justifies the national mammographic
screening despite the risk of radiation induced cancer? - Answer Reduction in breast
cancer mortality in the screened population
Single dose threshold for temporary sterility on a woman are: - Answer between 1.5 and
6.5 Gy
radiation sickness in order - Answer 1 - prodomal
2 - latent
3 - manifest
4 - recovery or death
Which of the following statements about DNA damage is true? - Answer - Single strand
breaks occur with low energy irradiation and damage is repairable
- Double strand breaks occur with higher energy irradiation and damage is irrepairable
COMPLETE SOLUTION
The Linear Non-Threshold model of radiosensitivity assumes that - Answer There is no
safe level of radiation exposure
For most countries what is the greatest source of background radiation dose: - Answer
radon gas
example of low linear energy transfer radiation? - Answer all of the below
- xrays
- gamma rays
- cosmic rays
What is the probability of a radiation burn being induced by a routine x-ray examination?
- Answer no chance
what statements is true about radiation induced leukemia? - Answer The probability of
induction increases with increasing radiation dose
A single CT abdomen scan can increase the lifetime risk of developing cancer by: -
Answer Low risk: 1 in 1000
How long is the latency period for breast cancer? - Answer 22 years
Which of the following statements most strongly justifies the national mammographic
screening despite the risk of radiation induced cancer? - Answer Reduction in breast
cancer mortality in the screened population
Single dose threshold for temporary sterility on a woman are: - Answer between 1.5 and
6.5 Gy
radiation sickness in order - Answer 1 - prodomal
2 - latent
3 - manifest
4 - recovery or death
Which of the following statements about DNA damage is true? - Answer - Single strand
breaks occur with low energy irradiation and damage is repairable
- Double strand breaks occur with higher energy irradiation and damage is irrepairable
