MTT present 2

Question 1

how did roentgen develop x rays

Answer 1

1895 he covered a test tube in black paper and rays from the tube lit up a screen
he experimented and found these rays could pass through many objects but not bone
he then put photographic paper between the tube and he took the first x ray

Question 2

what were some problems with early x rays

Answer 2

producing an image required keeping still
high doses of radiation

Question 3

how did blood transfusions develop

Answer 3

17th century doctors carried out blood transfusions from animals to humans but had low success
james blundell performed first ever human blood transfusions
1901 karl landsteiner discovered blood groups and found blood transfusions only worked if people had the same blood

Question 4

give two features of aseptic surgery

Answer 4

operating theatres and wards were thoroughly cleaned
surgeons and nurses wore sterlised clothes

Question 5

how was blood used in the first world war

Answer 5

blood loss could lead to death
lewisohn found that adding sodium citrate to blood stopped it clotting and meant blood could be stored
in preparation for battle of cambrai 1917 22 units of blood was stored