front 1 Only a small percentage of microbes__________. | back 1 cause disease |
front 2 Which of the following are true of scientific names assigned to living organisms? | back 2 The scientific name is always underlinded or italicized. |
front 3 In the scientific name, Escherichia coli, Escherichia is the ________. | back 3 genus name |
front 4 An organism is found in a deep-sea vent where the temperature is very high and the mineral content very unusual. The organism is unicellular, has no apparent nucleus, and has a cell wall but no peptidoglycan. This organism would be classified as which of the following types of organisms? | back 4 Archaea |
front 5 All of the following describe a major feature used to classify organisms into to three domains (Bacteria, Archaea & Eukarya) EXCEPT _________. | back 5 presence or absence of DNA |
front 6 Hooke & Van Leeuwenhoek helped to create the basis of the cell theory by __________. | back 6 observing & documenting cells using microscopes to visualize structure of living things. |
front 7 Which of the following were instrumental in DISPROVING spontaneous generation? | back 7 Pasteur's experiments using a specialzed swan-necked flask that prevented microbes from entering flasks open to the air. |
front 8 Aseptic techinque is a standard lab practice that includes all of the following EXCEPT _______. | back 8 elimination of all oxygen during any processes to prevent conatamination |
front 9 Koch's postulates are the essential foundation for which of the following? | back 9 The steps that relate a specific microbe to specific disease (etiology). |
front 10 For which of the following can Koch's postulates be used to identify the etiologic agent as the cause of the disease? | back 10 Streptoccoccus pyogenes, the organism that causes step throat, which can be culutred on blood agar. |
front 11 Jenner's work with vaccination depended on which of the following? | back 11 Trusting that the body produced invisible agents that effectively overcame an invisible microbe. |
front 12 Which of the following is true about antibiotics? | back 12 Previously treatable microbes have become resistant to some antibiotics. |
front 13 Pasteur discovered that microbes can cause food spoilage. His solution to protect wine from spoiling was a process called pasteurization, which is based on what principle? | back 13 Heating beer & wine just enough to kill those organisms causing the spoilage. |
front 14 Which of the following statements about normal microbiota found on the human body is FALSE? | back 14 Normal micobiota commonly overcome our defenses & produce disease. |
front 15 Which of the following is true of biofilms? | back 15 A biofilm is complex aggregation of microbes. |
front 16 All of the following factors contribute to the threat of emerging infectious diseases (EIDs) EXCEPT ______. | back 16 vaccinations against various types of childhood diseases. |
front 17 Which one of the following is an example of bioremediation? | back 17 use of Pseudomoanas to remove uranium from soil at weapons depots |
front 18 Which of the following processes are beneficial activities of microorganisms?
| back 18 All of these |
front 19 Which of the following best describes gene therapy? | back 19 Use of harmless virus to insert a gene in a host cell |
front 20 Which of the following is correctly matched? | back 20 Fleming and antimicrobials |