Chapter 3 - Microbiology Lab- Questions
& Answers
Name the parts of the Compound Light Microscope: Eye piece, Objective, Stage, Light Control,
Base, Focus Correct Ans-
Dark-field Microscope Correct Ans-used when the microbes are not visible with the use of
the light microscope;
when microbes cannot be stained;
when microbes would be distorted by staining
Phase-Contrast Microscope Correct Ans-allows detailed visualization of the internal
structures in living microbes
Fluorescence Microscope Correct Ans-Immunofluorescence;
detecting bacteria and other pathogens within cells and tissues;
Dx of rabies and Syphilis
Electron Microscope Correct Ans-ability to visualize viruses, the internal structure of cells,
and other objects smaller than 0.2 um;
uses a beam of electrons
& Answers
Name the parts of the Compound Light Microscope: Eye piece, Objective, Stage, Light Control,
Base, Focus Correct Ans-
Dark-field Microscope Correct Ans-used when the microbes are not visible with the use of
the light microscope;
when microbes cannot be stained;
when microbes would be distorted by staining
Phase-Contrast Microscope Correct Ans-allows detailed visualization of the internal
structures in living microbes
Fluorescence Microscope Correct Ans-Immunofluorescence;
detecting bacteria and other pathogens within cells and tissues;
Dx of rabies and Syphilis
Electron Microscope Correct Ans-ability to visualize viruses, the internal structure of cells,
and other objects smaller than 0.2 um;
uses a beam of electrons
