FUN 1 EO: 1.29 & 1.30

1 / 10

Which of the following best describes LD-50/30?

50% of the population expected to die in a 30-day period without medical care 400-500 rad

30% of the population expected to die in a 50-day period 300-400 rad

50% of the population expected to live with medical care 200-300 rad

30% of the population expected to die with medical care 400-500 rad

2 / 10

Which of the following symptoms is associated with Gastrointestinal Syndrome from exposure to radiation?

Dehydration from diarrhea and low nutrient absorption

Decreased ability to fight infection

Tremors, ataxia, and lethargy

Hair loss and changes in skin color

3 / 10

What syndrome affects the GI tract and occurs at 1000 – 5000 rad?

Hematopoietic Syndrome

Gastrointestinal Syndrome

Central Nervous System Syndrome

Epileptic Syndrome

4 / 10

Which describes the requirements for LD50/60?

50% of the population expected to die in a 60-day period without medical care 200-300 rad

50% of the population expected to live in a 30-day period with medical care 300-400 rad

60% of the population expected to die in a 50-day period 400-500 rad

60% of the population expected to live with medical care 200-300 rad

5 / 10

What are the effects of Hematopoietic Syndrome after acute exposure to radiation?

Dehydration, diarrhea, low nutrient absorption

Convulsions, tremors, ataxia, lethargy

Decreased white blood cells, lowered platelet count, nausea and vomiting

Chromosomal changes, hair loss, skin damage

6 / 10

What is the minimum dose required for the onset of Acute Radiation Syndrome (ARS)?

Greater than 0.7 Gray or 70 rads

Greater than 2 Gray or 200 rads

Greater than 0.3 Gray or 30 rads

Greater than 1 Gray or 100 rads

7 / 10

What is the main purpose of the regulations in 10 CFR 20, "Standards for Protection Against Radiation"?

To ban the use of licensed radioactive materials

To control the receipt, possession, use, transfer, and disposal of licensed material

To increase the production of nuclear power in the country

To promote the use of nuclear energy without restrictions

8 / 10

Which syndrome occurs between 200-1000 rad and affects blood-forming tissues?

Hematopoietic Syndrome

Chromosomal Aberration Syndrome

Gastrointestinal Syndrome

Central Nervous System Syndrome

9 / 10

What best describes the requirements for the occurrence of Acute Radiation Syndrome (ARS)?

Large dose, external, penetrating, whole body, delivered in short time

Moderate dose, external, non-penetrating, partial body, delivered in short time

Small dose, internal, non-penetrating, localized, delivered over time

Large dose, internal, penetrating, partial body, delivered over time

10 / 10

Which part of the body is affected by Central Nervous System (CNS) Syndrome after acute exposure to radiation?

Peripheral Nervous System

Gastrointestinal Tract

Blood Forming Tissue

Central Nervous System

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