Deterministic Radiation exposure trivia

Question 1

acute radiation sickness

dose for bone marrow

Answer 1

2 Gy

Question 2

bone marrow ARS

• latent period
• possible to survive?

Answer 2

1 - 6 weeks

yes

Question 3

GI ARS

• dose
• latent period
• outcome

Answer 3

• 8 Gy
• 5-7 days
• death within 2 weeks

Question 4

CNS ARS

• dose
• latent period
• outcome

Answer 4

• 20-50 Gy
• 4 - 6 hours
• death within 3 days

Question 5

vomiting 2-3 hours after exposure and skin redness 12-24 hours after exposure WB dose

Answer 5

1-2 Gy

Question 6

vomiting 1-2 hours after exposure and skin redness 8-15 hours after exposure WB dose

Answer 6

2-4 Gy

Question 7

vomiting <1 hour after exposure and skin redness 1-6 hours after exposure WB dose

Answer 7

> 4 Gy

Question 8

acute exposure threshold for cataract

Answer 8

2.5 Gy

Question 9

dry desquamation time period

Answer 9

4 weeks

Question 10

moist desquamation time period

Answer 10

1 month

Question 11

secondary ulceration time period

Answer 11

> 6 weeks

Question 12

telangiectasia time period

Answer 12

52 weeks

Question 13

severe robust erythema time period

Answer 13

1 week

Question 14

early transient erythema time period

Answer 14

hours

Question 15

dose to depress circulating lymphocytes

Answer 15

0.25 Gy

Question 16

LD 50/60

• meaning
• which tissue
• value

Answer 16

• lethal dose at 60 days for 50% of population (1.5 months)
• marrow
• 3-4 Gy

Question 17

LD 50/4

• meaning
• which tissue
• value

Answer 17

• lethal dose at 4 days for 50% of population
• GI
• 8-10 Gy

Question 18

30% of people will experience nausea at what dose?

Answer 18

0.75 - 1.25 Gy