logo

CuriousTab

CuriousTab

Discussion


Home Microbiology Physical and Chemical Agents Comments

  • Question
  • One drawback to the use of ultraviolet light as a sterilizing agent is its


  • Options
  • A. failure to kill bacteria
  • B. failure to bacterial spores
  • C. failure to kill microbes in a closed environment
  • D. failure to kill microbes located in the center of an object

  • Correct Answer
  • failure to kill microbes located in the center of an object 


  • Physical and Chemical Agents problems


    Search Results


    • 1. Which of the following is a limitation of the autoclave?

    • Options
    • A. It takes too long to sterilize
    • B. It lacks the ability to inactivate viruses
    • C. It lacks the ability to kill endospores
    • D. It will destroy heat labile materials
    • Discuss
    • 2. The organisms retained in the fluids filtered by Seitz filter is

    • Options
    • A. Proteus
    • B. Staphylococcus
    • C. Clostridium
    • D. None of these
    • Discuss
    • 3. The process of making an object free from living organisms including bacterial and fungal spores and viruses is known as

    • Options
    • A. pasteurization
    • B. antisepsis
    • C. disinfection
    • D. sterilization
    • Discuss
    • 4. Which of the following tests is designed to simulate the natural conditions under which the disinfectants are used in hospitals?

    • Options
    • A. Phenol coefficient test
    • B. Minimum inhibitory concentration test
    • C. Capacity test
    • D. None of these
    • Discuss
    • 5. Which of the following is not a disinfectant containing a heavy metal?

    • Options
    • A. Silver nitrate
    • B. Mercurochrome
    • C. Copper sulfate
    • D. Chlorine
    • Discuss
    • 6. For sterilization of which material gamma rays can be used?

    • Options
    • A. Catheters
    • B. Plastic syringes
    • C. Canulas
    • D. None of these
    • Discuss
    • 7. Ethylene oxide is used to destroy or kill which of the following microbes?

    • Options
    • A. Bacteria
    • B. Spores
    • C. Fungi
    • D. All of these
    • Discuss
    • 8. Which of the following is sterilized with the help of glutaraldehyde?

    • Options
    • A. Thermometers
    • B. Bronchoscopes
    • C. Cystoscopes
    • D. All of these
    • Discuss
    • 9. Which disinfectant was the most effective against Salmonella"?

    • Options
    • A. Phenol
    • B. Cetylpyridinium chloride
    • C. Hexachlorophene
    • D. Merthiolate
    • Discuss
    • 10. Which of the following is bactericidal?

    • Options
    • A. Membrane filtration
    • B. Ionizing radiation
    • C. Freeze-drying
    • D. Deep freezing
    • Discuss


    Comments

    There are no comments.

Enter a new Comment