CH 1, 3, 4: MICROBIOLOGY 12TH BY TORTORA, FUNKE & CASE QUSTIONS AND CORRECT ANSWERS

CH 1, 3, 4: MICROBIOLOGY 12TH BY TORTORA, FUNKE & CASE QUSTIONS AND CORRECT ANSWERS Who first described microorganisms such as bacteria? - correct answers -Anton von Leeuwenhoek What was the first successful solid medium for colony purification of bacteria? - correct answers -Potato The most important innovation (new idea) in Pasteur's 'swan neck flask' experiments was: - correct answers -Fresh air could directly contact the medium Credit for the first vaccine for the prevention of human disease is generally given to: - correct answers -Edward Jenner for the prevention of small pox Agostino Bassi first showed that a disease, in silkworms, was caused by microorganism. What kind of microorganism caused the disease: - correct answers -Fungus The primary use of Koch's postulates is to - correct answers -Demonstrate that a disease is caused by a microorganism Which of the following is NOT part of Koch's postulates? - correct answers -The microorganism must secrete a toxin in culture The first physician to make practical application of the germ theory of disease to surgery was - correct answers -Joseph Lister Microbes are measured in micrometers(um) or nanometers(nm) TRUE OR FALSE - correct answers -TRUE A simple microscope has two lens TRUE OR FALSE - correct answers -FALSE Living, unstained cells and organisms can be observed best using - correct answers -Phase contrast microscopy Scanning electron microscopy (SEM) is best used to study - correct answers -Surface morphology A microscope in which an image is formed by passing an electron beam through a specimen and focusing the scattered electrons with magnetic lenses is called a - correct answers -Transmission electron microscope (TEM) Scanning Acoustic Microscopy (SAM) is used to study cells attached to a surface TRUE OR FALSE - correct answers -TRUE