Microbiology Diagnostic Test

Low-level germicides kill these.

• Vegetative cells

• Endospores

Which of these techniques can be used to sterilize air in hospital rooms?

• Autoclaving

• Tyndallization

• Filtration

• Heavy metals

Which of these has two membrane layers?

• Gram-negative bacteria

• Gram-positive bacteria

Round bacteria growing in irregular clusters might best be called these.

• Staphylobacilli

• Streptobacilli

• Streptococci

• Staphylococci

We discussed two biological macromolecules that, together, make up the majority of a ribosome. Select both of them.

• RNA

• DNA

• Proteins

• Lipids

The indole test determines whether bacteria can utilize ___.

• Urease

• Tryptophan

• Oxidase

• Lactose

Which best explains how a virus affects other organisms?

• Viruses increase the survival of other organisms.
• Viruses immediately destroy all cells they come in contact with.
• Viruses live and reproduce in between the cells of other organisms.
• Viruses invade the cells of other organisms, using them to reproduce.

Which is true about viruses?

• Each virus has its own seasonal activity.Viruses increase the survival of other organisms.
• Each virus is transmitted through the air.
• Each virus has its own shape and structure.
• Each virus is transmitted through poor sanitation

How do viruses cause disease?

• by secreting toxins
  
• by producing excess waste
  
• by damaging or killing cells
• by competing with healthy cells for nutrients

Which would most likely contribute to antimicrobial resistance?

• an increased number of health care facilities
• overcrowding and poor sanitation in urban areas
• creation of new varieties of vaccinations and medicines
• providing more education and training for medical