Question 1: Which statement is false about Gamma Ionizing Radiation differ? |
Reference: | http://www.radsource.com/assets/library/GammavsX-rayComparison.pdf |
Choice A: | Gamma radiation emits alpha and beta radiation. |
Choice B: | Gamma and X-ray electromagnetic radiation possess similar amounts of energy. |
Choice C: | An alpha scintillation counter can detect gamma radiation. |
Choice D: | A Geiger counter can be used to detect low levels of gamma radiation. |
Question 2: Increased access to radiotherapy around the world will increase curability. This will be based on: |
Reference: | (Ref: Atun, R. et al. 2015. Expanding global access to radiotherapy. Lancet Oncol 16: 1153-1186) |
Choice A: | Using radiation plus molecular target drugs. |
Choice B: | Implementing familiar technology. |
Choice C: | Implementing IGRT. |
Choice D: | Using IGRT to enhance immune checkpoint blockade. |
Question 3: Radiation-induced fibrosis is.... |
Reference: | (Ref: Prasanna P.G. et al. 2012. Normal tissue protection for improving radiotherapy: Where are the gaps? Trans Cancer Res. 1:35-48). |
Choice A: | Asymptomatic. |
Choice B: | Involves vascular damage and collagen deposition. |
Choice C: | Reversible. |
Choice D: | Acute response. |
Question 4: The LD50/30 whole body dose for humans WITHOUT supportive care has approximately what value? |
Reference: | Anno, G. H.*; Young, R. W.†; Bloom, R. M.*; Mercier, J. R.‡
DOSE RESPONSE RELATIONSHIPS FOR ACUTE IONIZING-RADIATION LETHALITY
Health Physics: May 2003 - Volume 84 - Issue 5 - pp 565-575
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Choice A: | 2 Gy |
Choice B: | 4 Gy |
Choice C: | 6 Gy |
Choice D: | 8 Gy |
Choice E: | 10 Gy |
Question 5: A desirable midline dose rate for total body research irradiations with large animals is which of the following? |
Reference: | Anno, G. H.*; Young, R. W.†; Bloom, R. M.*; Mercier, J. R.‡
DOSE RESPONSE RELATIONSHIPS FOR ACUTE IONIZING-RADIATION LETHALITY
Health Physics: May 2003 - Volume 84 - Issue 5 - pp 565-575
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Choice A: | 8 cGy/min |
Choice B: | 80 cGy/min |
Choice C: | 800 cGy/min |
Question 6: Which of the following parameters has the greatest impact on dose delivery for research irradiations using a 100 kV x-ray unit? |
Reference: | Anno, G. H.*; Young, R. W.†; Bloom, R. M.*; Mercier, J. R.‡
DOSE RESPONSE RELATIONSHIPS FOR ACUTE IONIZING-RADIATION LETHALITY
Health Physics: May 2003 - Volume 84 - Issue 5 - pp 565-575
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Choice A: | mA (beam current) |
Choice B: | field size |
Choice C: | source-to-target difference |