Biological Impact from Radiation (5)

Question 1

Effects of radiation:

Answer 1

• Burns
• Sickness/poisoning/injury (Low dose, High dose, Very high dose)
• Mutations
  (Genetic, Somatic, Embryo)
• Cataracts
• Cancer

Question 2

Radiation Burns

Answer 2

Severe burns cause by localized acute exposure to a high-level of radiation

Question 3

Low Radiation Sickness/ first signs

Answer 3

Radiation poisoning/injury

• When the entire body receives a dose of at least 1 Gy.
• symptoms occur quite fast
• nausea + vomiting (once this passes more danger occurs)

Question 4

High Radiation Dose Sickness

Answer 4

Lead to:

• ulcers
• blood change
• dizziness
• disorientation
• hair loss
• infections

Question 5

Very Large Dose Radiation Sickness

Answer 5

• destruction of intestinal lining
• internal bleeding
• rapid weight loss
• damage to nervous system
• and/or death

Question 6

Genetic Mutations

Answer 6

A permanent change in DNA sequence.

- Inherited

Question 7

Somatic Mutations

Answer 7

A permanent change in DNA sequence.

• Acquired over time from environmental factors
• Also from mistakes made when DNA copies itself during cell division
• not passed on

Question 8

Embryo Mutation from Radiation

Answer 8

Radiation on embryo can cause the baby to have:
- small head
- poorly shaped eyes
- abnormally slow growth
- intellect disability
Most dangerous time is day 9 - week 6 as organs are being built

Question 9

Cancer

Answer 9

Uncontrolled growth of abnormal cells in the body

- when the nucleus initiates uncontrolled rapid cell multiplication forming tumors

Question 10

Recovery and Repair process

Answer 10

Depends on damage extent and individual biological factors

• rest
• Strict sterile environment
• antibiotics
• blood transfusions
• intravenous feeding

Question 11

Recovery Period

Answer 11

The time to repair is called and rebuild damaged tissues