Ionising Radiation and Haematopoietic Syndrome
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Questions and Answers

What is the main cause of death in haematopoietic syndrome?

  • Metabolic disorders
  • Neurological complications
  • Fatal haemorrhage and infection (correct)
  • Organ failure

What is the most important long term effect of ionising radiation exposure?

  • Lung cancer
  • Cardiovascular diseases
  • Leukaemia (correct)
  • Liver failure

When will platelets and leucocyte levels be maximally depressed after high dose radiation exposure?

  • 2 to 4 months
  • 1 to 2 days
  • 6 to 8 weeks
  • 3 to 5 weeks (correct)

At what dose can mild symptoms of haematopoietic syndrome occur?

<p>0.3 Gy (C)</p> Signup and view all the answers

What is the LD50 range for ionising radiation exposure?

<p>2.5 (D)</p> Signup and view all the answers

What is the range of doses at which the full haematopoietic syndrome usually occurs?

<p>0.7 to 10 Gy (C)</p> Signup and view all the answers

What is the most common cause of death in haematopoietic syndrome?

<p>Fatal haemorrhage and infection (A)</p> Signup and view all the answers

What is the LD50 range for ionising radiation exposure?

<p>2.5 to 5 Gy (A)</p> Signup and view all the answers

When will platelets and leucocyte levels be maximally depressed after high dose radiation exposure?

<p>3 to 5 weeks (B)</p> Signup and view all the answers

What is the most important long term effect of ionising radiation exposure?

<p>Leukaemia (D)</p> Signup and view all the answers

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