MIBO 3500 Final Exam Questions with Correct Answers

Microbial size definition CORRECT ANSWER organisms and acellular agents too small to be seen by the unaided eye contradictions to this definition CORRECT ANSWER -supersize microbial cells -microbial communities -viruses You are caring for a patient actively infected with Mycobacterium tuberculosis. Size of contaminated respiratory droplets are nm in size. Standard surgical masks are designed to block particles larger than 5 μm. Will wearing a standard surgical mask be an effective form of protection? CORRECT ANSWER No, the mask protects against microbes that are 1-5 nanometers, and the tuberculosis particles are larger than 5 nanometers Robert Hooke CORRECT ANSWER -built first compound microscope to observe mole and cork -published Micrographia -coined the term "cell" Antoine van Leeuwenhoek CORRECT ANSWER -built single lens magnifiers -first to observe single-celled microbes, called them "small animals" Francesco Redi CORRECT ANSWER performed an experiment disproving spontaneous generation in which he had meat in a container with no cover, one with a paper cover, and one with a gauze cover Lazzaro Spallanzani CORRECT ANSWER disproved spontaneous generation by boiling broth and either covering it or not covering it. Observed microbial presence in broth that had no cover only Louis Pasteur CORRECT ANSWER disproved spontaneous generation using broth and bottle-neck experiment spontaneous generation CORRECT ANSWER living organisms can arise from non-living matter