Microbiology Ch 1,2,3 & 7 - Test 1 UTA
Questions And Answers With Verified
Solutions Already Passed (GRADED A+)
Miasma Theory - ANSWER✔✔ The theory that diseases were caused by miasma
or bad air arising from organic decay, filth, or other conditions of the local
environment.
•Leprosy in the Bible - ANSWER✔✔ refers to the practice of quarantining people
with leprosy and other diseases, suggesting that people understood that diseases
could be communicable.
•Roman sewage system - ANSWER✔✔ disease to bad air, mal'aria, which they
called "miasmatic odors."
Hippocrates (460-377 BC) - ANSWER✔✔ Greek physician; "father of medicine"
Thucydides (460-395 BC) - ANSWER✔✔ concept of immunity.
Marcus Terentius Varro (116-27 B.C.) - ANSWER✔✔ propose the concept that
things we cannot see (what we now call microorganisms) can cause disease.
Antonie van Leeuwenhoek (1632-1723) - ANSWER✔✔ "father of microbiology",
Dutch linen merchant, first to observe living microbes, single-lens magnified up to
300X
, Louis Pasteur (1822-1895) - ANSWER✔✔ Showed microbes caused fermentation
and spoilage
Disproved spontaneous generation of microorganisms
Developed pasteurization
Demonstrated what is now known as Germ Theory of Disease
•microbe food spoilage = human spoilage
Robert Koch (1843-1910) - ANSWER✔✔ used the culture-plate method for
isolating bacteria and demonstrated how cholera was transmitted by food and
water; his discovery changed the way health departments cared for persons with
infectious disease
Wavelength - ANSWER✔✔ The distance between two corresponding parts of a
wave
Amplitude - ANSWER✔✔ the height of a wave's crest
Frequency - ANSWER✔✔ the number of complete wavelengths that pass a point
in a given time
•Energy of waves - ANSWER✔✔ interact with materials by being reflected,
absorbed, or transmitted.
Reflection - ANSWER✔✔ the bouncing back of a ray of light, sound, or heat when
the ray hits a surface that it does not go through
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