Microbiology for Healthcare Professionals Midterm Exam (Ch.1-17) || Questions & Answers (Rated A+)

Microbiology for Healthcare Professionals Midterm Exam (Ch.1-17) || Questions & Answers (Rated A+) Microbiology for Healthcare Professionals Midterm Exam (Ch.1-17) || Questions & Answers (Rated A+) One type of microscope that provides a three-dimensional image of a specimen is a: a. Phase- contrast microscope b. Transmission electron microscope c. Bright- field microscope d. Scanning electron microscope - ANSWER - d. Scanning electron microscope One type of microscope capable of observing living micro-organisms is the: a. Bright-field microscope b. Phase-contrast microscope c. Fluorescence microscope d. Electron microscope - ANSWER - b. Phase-contrast microscope Which scientist is most responsible for ending the controversy about spontaneous generation? a. John Needham b. Joseph Lister c. Louis Pasteur d. Robert Koch - ANSWER - c. Louis Pasteur Fossils of prokaryotes go back ________ billion years. a. 4.0 to 5.0 b. 3.5 to 4.0 c. 2.5 to 3.0 d. 2.2 to 2.7 - ANSWER - b. 3.5 to 4.0 Which of the following is not a microorganism? a. Bacterium b. Algae c. Insect d. Fungus - ANSWER - c. Insect The correct order of the taxonomic category is: a. Species, domain, phylum, kingdom, order, division, class, genus b. Domain, kingdom, phylum, class, family, order, genus, species c. Domain, kingdom, phylum, class, order, family, genus, species d. Kingdom, domain, phylum, order, class, family, genus, species - ANSWER - c. Domain, kingdom, phylum, class, order, family, genus, species Complex communities of microorganisms on surfaces are called: a. Colonies b. Biofilms c. Biospheres d. Flora - ANSWER - b. Biofilms A relationship between organisms in which the waste product of one provides nutrients for another is called: a. Mutualism b. Competition c. Synergism d. Commensalism - ANSWER - d. Commensalism Which of the following sites of the human body does not have a normal flora? a. Intestine b. Skin c. Vagina d. Blood - ANSWER - d. Blood