Study sets, textbooks, questions
Upgrade to remove ads
Unit 3 Science
Terms in this set (64)
What is peer review?
the process of subjecting an author's scholarly work, research, or ideas to the scrutiny of others who are experts in the same field
Why is peer review important?
Publishing peer-reviewed articles in scientific journals allows researchers to share ideas and to test and evaluate each other's work.
What is cholera?
an infectious and often fatal bacterial disease of the small intestine, typically contracted from infected water supplies and causing severe vomiting and diarrhea and dehydration
What causes cholera?
What are some symptoms of cholera?
Abdominal pain, nausea, severe diarrhea, vomiting
How can cholera be prevented?
sewage and water treatment standards, boil water, use of latrines
What were Dr. Snows two main accomplishments?
Helped contract a devise that delivered safe doses of chloroform
Solved cholera epidemic in London
How did Dr. John Snow approach his problems?
Used scientific method, He very carefully studied the problems. He helped make medicine a science.
What four factors had to be addressed before surgery could be successful?
1. Understanding of Human Anatomy
2. Stop of Blood Loss
3. Pain Relief
Who is Galen?
Middle ages; dissected pigs and other animals and assumed human anatomy was the same.
His book on human anatomy was used for over 1,000 years
Who is Andreas Vesalius?
Stole bodies in order to learn anatomy. Found 200 mistakes in Galen's book. Wrote a good anatomy book called the Fabric of the Human Body. His book was used until Gray's Anatomy was published.
Who is Dr. James Simpson?
First promoted the use of chloroform as anesthesia. promoted the use of chloroform. He didn't care that it killed some patients
Who is Dr. John Snow?
Connected medial geography from the cholera epidemic in London to the similar epidemics in lesser developed countries. Contracted a devise that lessened chloroform deaths
Who is Dr. Semmelweis
Semmelweis was a Hungarian physician, who is now known as an early pioneer of antiseptic procedures. Described as the "saviour of mothers", Semmelweis discovered that the incidence of puerperal fever could be drastically cut by the use of hand disinfection in obstetrical clinics.
Who is Dr. Lister?
British surgeon and medical scientist who was the founder of antiseptic medicine and a pioneer in preventive medicine. Figures out that germs cause infection and cause the dead of many patients.
What is a ligature?
a ligature consists of a piece of thread (suture) tied around an anatomical structure, usually a blood vessel or another hollow structure (e.g. urethra) to shut it of
What does cauterized mean?
to burn with a hot iron or a chemical to destroy abnormal tissue and/or to stop infection and/or bleeding
What is ether?
a pleasant-smelling, colorless, volatile liquid that is highly flammable. It is used as an anesthetic and as a solvent or intermediate in industrial processes.
What were the downsides to ether?
Made patients thrash around
What is chloroform
A heavy, clear, colorless liquid with strong ether like odor, formed by the action of chlorinated lime on methyl alcohol. At one time chloroform was administered by inhalation to produce anesthesia, but this usage is obsolete. 1/3 tsp is safe but 1/2 tsp will kill you
What is septicemia?
blood poisoning, it causes swelling of the abdomen, abscesses and high fever.
What is child bed fever?
Where is the Atacama Desert?
Why is the Atacama Desert so dry?
The desert is located in the double rain shadows of the Andes mountains and the Chilean Range
How does the rainshadow effect work?
mountains prevent rain from reaching an area by sending it the other way
T or F Extremophiles have been found in the Atacama Desert?
What are some interesting things found in the Atacama Desert?
1. Dry air is good for telescopes
2. Fossilized Chinchillas
4. Oldest mummies - 7020 BC
5. Nitrates - for fertilizer and ammunition
What are similarities between bacteria and viruses?
Both can cause disease
Both contain DNA and enzymes
Differences between bacteria and viruses
Bacteria are alive and have cells
Virus are non-living and don't have cells
Bacteria are bigger than viruses
Bacteria have a rigid cell wall
You can not treat viruses with antibiotics (but you can Bacteria)
What is a pandemic?
global disease outbreak
How many periods were killed by the Spanish flue worldwide?
What causes the flu?
Why is a virus not considered living?
A virus is not made up of cells and it needs a host to reproduce.
How was the virus remanufactured
The virus was found in the lungs of people who died and were buried in Alaska. Because they were buried in tundra the virus was frozen.
What is an extremophile?
An organism which lives in environments that are very extreme eg. very high or very low temperatures
What are some types of Extremophiles
What is a black smoker?
a particle-filled cloud resulting from metallic-rich solutions gushing form the seafloor into the ocean water
How has the discovery of Extremophiles changed where we can look for life?
It could help look for life on other places than earth
How can microbes help humans?
Provides us with oyxgen, synthesizes vitamins, decomposes dead matter, converts things into sugar, nitrogen conversion
Other than your skin, where can you find bacteria on your body?
Gut, mouth, eyes, nasal passage, etc.
How many types of bacteria are in you digestive system?
At least 400
What are antibiotics?
Drugs that kill or prevent the growth of bacteria without killing healthy body cells
When was the first antibiotic?
How do bacteria become resistant to antibiotics?
Random mutation and natural selection
What is the nitrogen cycle?
the series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms, including nitrogen fixation and decomposition.
T, 10^12, 1,000,000,000,000, Trillion
G, 10^9, billion, 1,000,000,000
M, 10^6, million, 1,000,000
k, 10^3, 1000, thousand
h, hundred, 10^2, 100
10^-1 (0.1), d, tenth
10^-2, hundredth, c, 0.01
thousandth, m, 0.001, 10^-3
10^-6 (0.000001), (upside down h), millionth
n, 10^-9, billionth, 0.000,000,001
p, 10^-12, trillionth, 0.000,000,000,001
When are metrics introduced?
What is meter?
1/10,000,000 of the distance from the North Pole to the equator
What is 1000 1000s?
The mass of 1cm cubed =
1 liter =
Why use metrics?
It is much easier
a dentist in Boston, first to successfully use Ether as an anesthesia
Sets with similar terms
Laboratory / Science Career
Other sets by this creator
AP LANG Vocab Lists
all vocab on french exam
CS Exam Vocab
Chapter 4 Hon Chem Test
Other Quizlet sets
Kines 350 - Exam 1 Sample Questions
Chem 18a Exp 7
PHAR 544 Cardio Exam 2 material lipid lo…