WorksheetsCh.15 Quiz #1
Total questions: 15
Worksheet time: 11mins
What is the arrangement of bacteria called when they are found in pairs?
Diplo
Staph
Strep
Mono
Which term describes bacteria that are arranged in chains?
Staph
Diplo
Strep
Cocci
Bacteria arranged in clusters are referred to as:
Strep
Diplo
Staph
Bacilli
What do aerobic organisms require to live and grow?
Oxygen
Carbon dioxide
Nitrogen
No oxygen
Which type of organisms do NOT require oxygen to live and grow?
Anaerobic organisms
Aerobic organisms
Photosynthetic organisms
Parasitic organisms
What is a major way to break the chain of infection?
By using aseptic techniques
By ignoring hygiene
By increasing exposure to microorganisms
By avoiding vaccinations
What does the term "Asepsis" mean?
Absence of disease-producing microorganisms
Presence of all microorganisms
Free of all organisms
Presence of disease-producing microorganisms
What does "Sterile" mean?
Free of all organisms
Absence of disease-producing microorganisms
Presence of some microorganisms
Presence of disease-producing microorganisms
What does the term "contaminated" refer to in aseptic techniques?
Any object or area that may contain organisms or pathogens
An object that is completely sterile
An area free from all microorganisms
A place where only viruses are present
What is the main difference between disinfection and sterilization?
Disinfection destroys all microorganisms, while sterilization only destroys pathogens.
Disinfection destroys pathogens but may not be effective against spores and viruses, while sterilization results in total destruction of all microorganisms.
Sterilization is less effective than disinfection.
Disinfection is used only for surgical instruments, while sterilization is used for cleaning floors.
What does sterilization achieve in terms of microorganism control?
Reduces the number of pathogens
Destroys only viruses
Results in total destruction of all microorganisms
Only cleans visible dirt
What is bioterrorism?
The use of microorganisms or biologic agents as weapons to infect humans, animals, or plants
The use of chemicals to clean environments
The use of technology to improve health
The use of plants for food production
What is the name for the shape of this bacteria that causes food poisoning called Staphylococcus aureus?
bacillus
coccus
spirillum
Name this bacteria shape
coccus
bacillus
spirillum
The shape of this bacterial cell is:
coccus
bacillus
spirillum
