Contact precautions are required for patients with a. all of these b. respiratory syncytial virus c. Clostridium difficile c. associated diseases. d. infections caused by multidrug-resistant bacteria. 6. All of the following
5. Contact precautions are required for patients with
a. all of these
b. respiratory syncytial virus
c. Clostridium difficile
c. associated diseases.
d. infections caused by multidrug-resistant bacteria.
6. All of the following are algae except
a. dinoflagellates.
b. desmids.
c. sporozoa.
d. diatoms.
7. Typhoid fever is caused by a species of:
a . Escherichia
b. Campylobacter
c. Shigella.
d. Salmonella
8. At the end of the
a. blue to purple
b . pink to red
c. orange.
d. green
9. Which one of the following types of culture media is selective and differential?
a. Phenylethyl alcohol agar
b . Blood agar
c. Thayer-Martin agar
d. MacConkey agar
10. Which one of the following methods of antimicrobial susceptibility testing combines some of the properties of two other methods and involves adding a plastic strip to the agar?
a. Gradient diffusion method
b. Agar macrodilution method
c. Disk diffusion method
d. Broth microdilution method
11. Most ATP molecules are produced during which phase of aerobia respiration?
a. Fermentation
b. Krebs cycle
c. Glycolysis
d. Electron transport chain
12. The goal of disinfection is to eliminate ____ whereas the goal of sterile technique is to exclude ____
a. bacteria , bacteria and viruses
b. pathogens, all microorganisms
c. nonpathogenspathogens
d. all microorganisms, pathogens
13. Which one of the following statements about archaea is false? Select one:
a. The cell walls of archaea contain a thicker layer of peptidoglycan than the cell walls of bacteria.
b. Some archaea live in extremely hot environments.
c. Archaea are more closely related to eukaryotes than they are to bacteria.
d. Both archaea and bacteria are prokaryotic organisms.
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