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History > Topic 3- Medicine Through Time > Flashcards

Topic 3- Medicine Through Time Flashcards

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1
Q

How did you feel when the 4 humours were out of balance?

A

Unwell

Illness occurs when you feel too much or too little of one of the humours.

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2
Q

Who developed the theory of opposites?

A

Galen

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3
Q

What was uroscopy?

A

The study of urine

Doctors would look and taste a patients urine to try to see which of the 4 humours were out of balance.

Would also use a urine chart. Samples were matched against a colour, which helped make a diagnosis

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4
Q

What was the zodiac man?

A

An astrological chart of the human body, linked to start signs

Surgeons believed it showed them when they could operate on different parts of the body

Was a continuation of superstition in medical knowledge and did not improve medicine

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5
Q

What was alchemy and how did it help to develop medicine?

A

The attempt to turn base metals into gold.

During the process lots of new equipment was invented which were then used to make herbal potions

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6
Q

What does the Renaissance stand for?

A

Rebirth.

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7
Q

When was the Renaissance and what were some major developments?

A

1500-1700

Famous for discoveries in science, geography and art. It led to a breakthrough in medicine.

developments in the printing press and technology

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8
Q

In the Middle Ages, what two things were used to bleed people?

A

Leeches

Special tools

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9
Q

What was Vesalius’s specialism?

A

Anatomy

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10
Q

What happened before Vesalius ?

A

That the books of Galen and other ancient doctors were correct
Church against dissection, surgeons only allowed to dissect corpse of criminals
No fridges to preserve bodies

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11
Q

What did Vesalius prove?

A

Galen said jaw was made of two pieces of bone, Vesalius proved it was just one

Galen said blood moves from one side of the heart to the other through holes is the septum. Vesalius proved this wrong.

Galen said liver has fives lobes. Vesalius proves it has two.

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12
Q

What factors helped Vesalius to make his discoveries?

A

Printing- book printed widely

Challenged beliefs

Individual skill

Art- accurate drawings

Dissections- was finally allowed on humans

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13
Q

What was Pare’s specialism?

A

Surgery

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14
Q

What was Vesalius’s book called and when was it published?

A

‘The fabric of the human body’

1543

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15
Q

What was Pare’s book called and when was it published?

A

‘Works on surgery’

1575

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16
Q

What ideas about surgery was there before pare?

A

Surgeons thought speed was best when dealing with operations
Hot oil and iron was used on battlefields to seal wounds quickly
They believed hot oil would kill ‘poisons’ that they thought were in gunshot wounds.

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17
Q

What new methods did Pare discover?

A

Instead of sealing wounds with hot oil, he made an ointment of milk, egg yolks, roses and turpentine. Men healed better and less painful

Instead of using hot iron to stop bleeding, he used ligatures (silk thread) to seal arteries- less pain. However could carry infection and was slow.

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18
Q

What factors helped Pare to make his discoveries?

A

Printing- allowed book to be widely read

Chance- running out of oil

War- gives a chance to practice on people

Own intelligence

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19
Q

What are the 4 humours?

A

A theory developed by Greek and Roman doctors and continued to dominate medicine in the Middle Ages

It was believed that the body contained 4 important liquids called humours.

If the humours were balanced then the person was healthy. If a person was ill then their humours were out of balance

Treatment was based around balancing the humours

Blood, Black bile, Yellow bile, Phlegm

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20
Q

What was Harvey’s specialism?

A

The circulation of blood

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21
Q

What was Harvey’s book called and when was it published?

A

An anatomical account of the motion of the heart and blood in animals

1628

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22
Q

What did people think and believe before Harvey’s discoveries?

A

Some of Galens ideas were still believed
Eg thought blood was made in the liver and that it was burned up. The heart was just seen as something blood passed through.

The mechanical water pump was being invented and used for the first time.

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23
Q

What did Harvey do and find out?

A

He dissected cold blooded living animals whose heart was still beating so he could see the movement of each muscle in the heart.
Dissected human hearts

Found out :
The heart is a pump
Blood is reused 
Knew differences between arteries and veins
Blood only flows one way.
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24
Q

What factors helped Harvey to find his discoveries?

A

Water pump- may have given him the idea that the heart is a pump

Previous knowledge- had the work of other great doctors to build up his theory eg Vesalius

Individual skills- dedicated

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25
When was the first heart transplant?
1967
26
When did Pasteur come up with the germ theory?
1861
27
What was miasma?
The theory that bad air causes infection
28
Who proved specific bacteria causes specific disease?
Kock | He was a German doctor
29
How did Pasteur kill bacteria in wine?
By boiling it
30
Who invented the microscope?
Leeuwenhoek
31
When was the microscope invented?
1600s
32
What was pasteurs job?
A chemist
33
What was the name of pasteurs theory?
The germ theory
34
What was spontaneous generation?
The theory that microbes, flies and maggots are made by decaying matter.
35
When did Koch discover tuberculosis bacteria?
1882
36
How did Koch discover that specific bacteria caused specific disease?
He took some organs from sheep who had died of Anthrax. In these organs he found bacteria. He injected 20 generations of mice with the anthrax bacteria and each one developed anthrax
37
How does Koch link to Pasteur?
Pasteur uses Koch's idea that specific bacteria causes specific disease, to come up with vaccinations.
38
How did Pasteur come up with the first ever vaccine?
Over the holiday a solution a chicken cholera was left out. This weakened the disease. One of pasteurs team injected a chicken with the weakened disease. It did not die. It was then given a full strength chicken cholera disease and it didn't die The exposure to the air weakened the germs.
39
What vaccines did pasture make?
Chicken cholera Anthrax Rabies
40
Who found X-rays?
Röntgen
40
How did Röntgen find X-rays?
He was experimenting with cathode Rays
40
When did Röntgen discover X-rays?
1895
40
What did Marie Curie do with X-rays?
She realised the importance of X-rays during ww2. She developed portable X-ray machines which were taken to the battlefield. They were know as 'Petites Curies'. They allowed surgeon to improve their success rate in removing deeply lodged bullets, which would have otherwise caused infection.
41
What are 4 types of scanning techniques?
Ultrasound. MRI. PET. CT.
42
Describe a CT scan
A machine sends several X-rays through the body at the same time from different angles which builds a 2d image. It is more detailed than a normal X-ray. CT scans are used to pinpoint tumours and to direct radiotherapy to certain body areas.
43
What was used to discover DNA?
X-rays
44
Who first discovers DNA?
Rosalind Frankin
45
Who discover the structure of DNA?
Watson and Crick
46
What do Watson and Crick prove?
That DNA is passed onto the next generation
47
What does the discovery that DNA lead to?
The Human Genome Project
48
What is the Human Genome Project?
The mapping of the whole human DNA - completed in 2006
49
Essay question: How successful has the development of medical knowledge been in improving health from the middle ages to present day?
MIDDLE AGES - success- alchemy - failure- zodiac man - pace- slow- based on galens ideas RENAISSANCE - success- Vesalius, Pare, Harvey - failure- ligatures, can not do transplants - pace- slow- still no knowledge of germs 19TH CENTURY - success- Pasteur- vaccinations - failure- unsure how vaccinations work - pace-significant pace due to Germ Theory 2OTH CENTURY - success- Rontgen discovers Xrays. - discovery of DNA Watson+Crick - failure- can not treat all diseases - pace- fastest development
50
How were herbal remedies used in the Middle ages?
- Doctors used herbs to heal people - Alchemy - medical historians believe they were effective
51
Who were barber surgeons and what did they do?
- Cut hair and performed operations - Blood letting,trephining - Cheaper than doctors
52
What was purging, how was it meant to work?
- making people sick to purify the body and balance humours - Enema up the rectum- would pump out stomach - purge given to make people sick
53
Why and how were leeches used in the Middle Ages?
-used to bleed people to balance humours
54
What is an inoculation?
When a patient gets a small dose of the disease, which will hopefully prevent them getting the full disease. - would sometimes develop into full disease and kill patient - expensive
55
Describe the work of Edward Jenner
- Doctor who discovered that people who had cowpox were less likely to develop smallpox - Jenner gave a healthy boy (James Phipps) cowpox and then small pox. The boy survived. Jenner repeated 23 times on other people and they all survived.
56
What shows that Jenner's discovery of vaccination using cow pox was significant?
1805- Napoleon had all his soldiers vaccinated 1852- British government made vaccination compulsory
57
Why was there opposition to vaccinations (cow pox)
Concerns that giving people cow pox was turning people into cows inoculates no longer earning so much as people re getting vaccinations instead
58
What were the 3 factors that made surgery so dangerous in the early 1800s?
- pain - infection - blood loss
59
Who and when discovered laughing gas? What was the problem with it?
Humphrey Davy, 1799 reduces sensation of pain but DOES NOT MAKE THE PATIENT COMPLETELY UNCONSCIOUS
60
Who and when was the first British surgeon to use ether? What was the problem with it?
Robert Liston, 1847 caused IRRITATION WITH LUNGS AND EYES and was very FLAMMABLE
61
When and who discovered chloroform? How did he discover it?
1847, James Simpson poured chloroform into glasses, inhaled vapours and fell into a deep sleep. He starts using chloroform on woman giving birth
62
Why did some people oppose anaesthetics?
- unnatural | - no one knew the longterm effects
63
What were the general problems with anaesthetics?
- Did not necessarily make surgery safer - Surgeons would carry out longer, more complex operations, increasing the risk of infection and amount of blood lost. - 1848 HANNAH GREENER died whilst being given chloroform- INGROWN TOENAIL
64
Who encouraged the use of chloroform?
Queen Victoria. used it when she gave birth in 1857
65
Who developed a respirator to apply chloroform and why was this significant?
John Snow Safer as it controlled the dosage patients got of chloroform.
66
What did Semmelweis make doctors do and why did no believe him?
1840s- Wash their hands before delivering babies. as this was before the germ theory (no one knew about germs)
67
Who came up with the first antiseptic in surgery? When and what was it?
1865- Lister- carbolic spray Reduced deaths from about 50% to 15% by 1870
68
Why was there opposition to Lister's idea of using carbolic spray in surgery?
- Acid cracked surgeons skin - Smelt - Lister was seen as arrogant - Results were not the same as not every surgeon was as precise as Lister
69
What 2 things followed after Lister's discovery of carbolic spray?
Rubber gloves, Aseptic surgery
70
Who discovers blood groups and when? Why is this significant?
1901- Landsteiner in WW1 this improves surgery. They found a way to separate and store blood.
71
What is the word for something to remove pain?
Anaesthetic
72
What is the word for something to reduce the risk of infection?
Antiseptic
73
What is penicillin?
a mould called penicillin
74
Who first discovers penicillin and when?
John Sanderson - early 19th century
75
What was Lister's role in the discovery of penicillin?
1880s- rediscovers Sanderson's work and successfully uses penicillin to treat a nurse with an infected wound. He did not leave any notes on his method
76
Who and when rediscovered the properties of penicillin after Lister?
Alexander Fleming -1929
77
How did Fleming make his discovery?
He found penicillin had got into a petri dish of bacteria and had killed the surrounding bacteria. He observed his results and recognised their significance- that penicillin could be injected into humans to kill bacteria.
78
Why did Flemings discovery of penicillin not lead to immediate developments in medicine?
Fleming did not have the facilities or support to develop his ideas.
79
How did Flory and Chain further develop penicillin?
They gathered together a skilled research team to research into penicillin. Tested penicillin on a patient who got better but later died. This confirmed it was safe as they were convinced that if they had had enough penicillin, the patient would have survived. 1942- American government gave $80 million to drug companies to mass produce penicillin
80
How did penicillin become mass produced to treat casualties in WW2?
Eventually drug companies found a way to mass produce penicillin. The growing casualties of WW2 added to the urgency to mass produce penicillin Penicillin halved the average time soldiers spent in hospital
81
What were the four elements?
Medieval alchemists believed that all matter was composed of four elements air, fire, earth and water
82
Describe how the four humours linked to the four seasons and four elements
Blood- spring caused blood to increase, Air was hot and moist Yellow bile- summer, bile would increase, Fire was hot and dry Black bile- autumn, black bile would increase, Earth, cold and dry Phlegm- winter- phlegm increases, Water, cold and moist
83
Had medical knowledge advanced by the end of the Middle Ages?
was little advancement doctors continued to believe in the four humours

History (4 decks)

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