antibiotics Flashcards

1
Q

how had penicillin been discovered?

A
  • in 19th century by Lister

- used to treat a wound never published notes

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2
Q

during WW1 what happened to Alexander Fleming?

A
  • sent by St Mary’s hospital (London ) to study treatment of wounded soldiers
  • observed antiseptics unable to prevent infection
  • look for something to kill the microbes that caused infection
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3
Q

what caused septicaemia?

A
  • staphylococci (very dangerous germ)
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4
Q

when did fleming return from holiday?

A

1928

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5
Q

what did fleming notice?

A

noticed mild on one of his petri dishes, penicillin - staphylococci germ killed by mould

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6
Q

what did fleming conclude from his findings?

A

natural antiseptic -> today called antibiotic

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7
Q

what happened in 1929?

A

fleming published results, had no funds to develop it

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8
Q

what did fleming miss?

A

injecting penicillin into the blood, would have shown it was a medicine and sparked further interest

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9
Q

what happened in 1937?

A
  • howard florey and ernst chain, after reading article by fleming researched penicillin
  • had funds to develop + experimented on mice
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10
Q

what happened in 1941?

A

florey and chain started experimenting on humans

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11
Q

what was floreys and chains first experiment on a human/ first test on human overall?

A
  • policeman with an infection from scratch

- ran out of drug, died after 5 days but seen success

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12
Q

how did WW2 impact penicillin?

A
  • sped up production, US government paid drug companies to make large quantities
  • 1943 used in allied troops in North Africa
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13
Q

what did USA and GB do with penicillin?

A

produced huge quantities, saved thousands of lives in 1944 + 45

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14
Q

how much penicillin was there in 1943?

A

enough to treat 1000 soldiers

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15
Q

how much penicillin was there in 1945?

A
  • 250,000 soldiers helped

- 15% soldiers would have died without the drug

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16
Q

what was the “wonder drug”

A

huge government sponsor programme to develop and produce “wonder drug”

17
Q

what was the “wonder drug” used to treat?

A

many diseases like :

bronchitis, impetigo , pneumonia, tonsillitis, syphilis, meningitis, boils, abscesses and wounds

18
Q

who received a Nobel Prize?

A

Fleming, Chain and Florey in 1945 for Medicine

19
Q

what was streptomycin for?

A

in 1944, good for treating tuberculosis

20
Q

what was tetracycline for?

A

in 1963, good for skin infections

21
Q

what was mitomycin for?

A

1956 fight cancer

22
Q

what was cortisone for?

A

developed in 1950 to treat arthritis

23
Q

how many lives saved by penicillin?

A

since WW2 , millions

24
Q

what did new vaccines emerge to treat?

A

polio and measles

25
Q

what came on the market?

A

tranquillisers and the birth control pill

26
Q

what are there new pills for?

A

treat depression, psychosis, hypertension etc…

27
Q

why could testing be rushed?

A

medicine became a big business and fortunes could be made

28
Q

what happened with thalidomide?

A

drug for sleeping resulted in the birth of babies with poorly deformed limbs
(led to much tougher testing and approval process for new drugs)

29
Q

what did the GP become?

A

central to the delivery of medical services

30
Q

why are the age of pills coming to an end?

A

more and more bacteria becoming resistant to antibiotics

could be prescribed too often for minor illnesses

31
Q

what is MRSA and norovirus?

A

super bugs that can be killers, even most powerful antibiotics can’t kill them, microbe resistant difficult to steralise

32
Q

what is phage therapy?

A

inject virus with bacteria to kill it, can blow it up or break it up (so advanced)