modern

• who are all the modern key individuals?

  • Watson and crick
  • Alexander flemming
  • Florey and chain
• what were causes of disease during modern?

  • germ theory
  • hereditary diseases
  • external factors (second hand smoke)
• who did Watson and crick use the influence of?

  rosalind franklin
• when was DNA discovered through X-rays?

  1953
• what did Watson and crick explain?

  how genetics were passed from generation to generation
• what were diagnosis based on during modern?

  medical testing
• what were 3 things that have an impact on health?

  viruses, lifestyle and genetics
• what can a doctor prescribe to treat a virus?

  antiviral drugs
• what did the human genome project allow people to see?

  mistakes in DNA of people suffering from a hereditary illness
• what 3 factors helped the development of genetics

  • technology
  • science
  • impact
• technology

  • advances In microscopes=electron microscope in 1931
• science

  • human genome=brought many scientists together
• impact

  • better understanding of DNA helped recognise genetic disorders
• minor infections became fatal
• what did flemming do in his experiment?

  left out a Petri dish with solution in and it grew mould and killed the bacteria in it
• was flemmings experiment intentional?

  no
• did flemming ever test his experiment?

  no
• what happened when they treated the policemen?

  he died when his penicillin supply ran out
• when was millions invested in penicillin by the UK and USA?

  following WWII
• what helped penicillin to develop?

  war, technology and science
• what did Florey and chain test penicillin on?

  mice
• how much were florey and chain given by the government to fund penicillin?

  £25
• who helped florey and chain develop penicillin and why?

  american government as they saw the potential and needed help after the pearl harbour attack bringing them into the war
• what did penicillin turn into?

  a wonder drug
• what treatments are used during modern medicine?

  • magic bullets
  • blood transfusions
  • penicillin
  • vaccinations
  • chemotherapy
  • antibiotics
  • iv drips
• what technologies do we use now to make a diagnosis?

  • blood tests
  • blood sugar monitoring
  • x rays
  • MRI scans
  • CT scans
  • ultrasound scans
  • EGC's
  • endoscopes
• what does an MRI scan do?

  use magnets and radio waves to create an internal image of the body. can diagnose soft tissue injuries (from 1970s)
• what does a CT scan do?

  diagnose tumours and other growths in the body (from 1970s)
• what does an EGC do?

  use electrical impulses to track heart activity (from 1900s)
• what does an ultrasound scan do?

  get a picture from the inside of the body and is useful for gallstones and kidney stones and babies (from 1940s)
• what do endoscopes do?

  camera on a flexible tube to see inside human body and Is used to investigate symptoms such as vomiting blood (from 1900s)
• what did Gerhard domagk do?

  use dyes to discover prontosil
• what did the dye do?

  stunt the bacterias growth not kill it
• what is prontosil used as?

  a chemotherapy drug
• who did Gerhard domagk treat?

  the presidents son
• what is prontosil?

  a synthetic chemical substance
• what is a magic bullet?

  a chemical cure that would attack the microbes in the body causing disease
• what did doctors understand about the body?

  they produced antibodies to fight disease
• what did Paul ehrlich do in the 20th century?

  tested as many arsenic compound he could to find a cure for syphilis
• what happened with Paul ehrlichs tests?

  by 1907 he has tested 600 compounds but found no cure