Micro organisms

• Microbiology is the study of microorganisms, or microbes
• Microbes are organisms that are not visible with the naked eye but can be seen under the microscope
• Bacteria are microscopic unicellular organisms found everywhere on earth
• A pathogen is a microscopic organism that can cause a disease in its host
• A microscope is an instrument used to view objects that cannot be seen with the naked eye
• Microbiologists are important for nursing because:

  • They can differentiate between good and bad microbes
  • They are knowledgeable about vaccinations and their positive impacts in the health care system
  • They practice proper sterilization and disinfection techniques
• Usefulness of micro-organisms to man:

  
  

  • Immune system development
  • Supply essential nutrients
  • Synthesize Vitamin K
  • Aid in digestion of cellulose
• Disease-producing microorganisms can cause:

  • Food spoilage
  • Toothdecay
  • Toxins
  • Diseases/Infections
• Harmless microorganisms:

  • protection against infection
  • Maintain reproductive health
  • Destroy harmful chemicals
  • Aid in food production