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Science and Tech


How did the Scientific Revolution change scientific and technological fields? Power machines replaced hand tools as more goods were made in factories than by hand, there was a rise in the creation of synthetic products, and competiveness increased between countries.
What is pathology? the study and diagnosis of diseases
How were diseases studied before the use of microscopes? diseases were studied by examination and dissection (cutting something into parts for scientific analysis) of cadavers (dead bodies)
Who were the first to examine the human circulatory system? Ancient Greek physicians Herophilus and Erasistratus
What were the 4 bodily humors? blood, yellow bile, black bile, and phlegm
What did Claudius Galen study? He further studied human anatomy, by dissecting animals.
Why were many advances in medicine lost during the medieval time? The Roman Catholic Church declared illnesses were punishments from God
Why was blood letting used as a medical treatment? Physicians believed that diseases were caused by an excess of blood.
Why was Ibn Sina important to science? He said diseases were contagious and could be spread by contaminated water.
Andreas Vesalius began dissecting humans which was previously banned by Rome in 150 BC
What led to the process called "a clinical diagnosis"?  As interest in science grew physicians concluded that diseases were a result of malfunctioning body systems this led to physicians examining, questioning, and observing patients
Who created the microscope with 9x power? Zacharias Janssen
Why was the microscope created? as a novelty item for Dutch royalty
What is cellular pathology? the study of diseased tissue and cells
Who suggested the "germ theory"? Louis Pasteur
What caused the wide spread epidemic of many diseases? the sanitation of industrialized cities decreased
What did Howard Ricketts do in 1910? discover the cause of Typhus
What is Typhus known as? “war fever” because it spread quickly because of overcrowding, malnutrition, poverty and large movements
What did the state of Montana do in 1902? They funded the research to find the cause of Rocky Mountain Spotted fever.
What did Howard Ricketts do? Ricketts discovered that wood ticks carried a bacterium, which was named after Ricketts, rickettsia.
What does Rickettsia-prowazeki cause? Typhus, Rocky Mountain Spotted Fever, Trench Fever, Tabardillo, Japanese River Fever or Scrub Typhus, and Q-Fever
When were outbreaks of typhus and smallpox were appearing more frequently? 1910
What did Ricketts discover in Mexico? He discovered body louse transmitted the disease after biting an infected person.
How does a louse infect people? The lice’s stomach ruptures from the bacterium, and the bacteria remains present in the feces which people would come in contact with and thus become infected.
How did Ricketts die? Ricketts died from Typhus in 1915
Created by: jhelsc