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MCQs

Total Questions : 99 | Page 9 of 10 pages
Question 81. . Which of the following is sterilized with the help of glutaraldehyde?
  1.    A. Thermometers
  2.    Bronchoscopes
  3.    Cystoscopes
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Question 82. . The time in minutes at a specific temperature needed to kill a population of cells is the
  1.    decimal reduction time
  2.    thermal death point
  3.    thermal death temperature
  4.    F value
 Discuss Question
Answer: Option D. -> F value
Question 83. . Which of the following is a limitation of the autoclave?
  1.    It takes too long to sterilize
  2.    It lacks the ability to inactivate viruses
  3.    It lacks the ability to kill endospores
  4.    It will destroy heat labile materials
 Discuss Question
Answer: Option D. -> It will destroy heat labile materials
Question 84. . The lowest temperature that kills all microorganisms in a liquid suspension in 10 minutes is known as the
  1.    decimal reduction time
  2.    thermal death point
  3.    thermal death temperature
  4.    thermal death time
 Discuss Question
Answer: Option B. -> thermal death point
Question 85. . Which of the following methods will not sterilize?
  1.    Aqueous glutaraldehyde for 10 hours
  2.    Dry heat at 171°C for 1 to 2 hours
  3.    121°C at 15 lb/in pressure for 15 to 20 minutes
  4.    100°C boiling water for 30 minutes
 Discuss Question
Answer: Option D. -> 100°C boiling water for 30 minutes
Question 86. . Which of the following tests is designed to simulate the natural conditions under which the disinfectants are used in hospitals?
  1.    Phenol coefficient test
  2.    Minimum inhibitory concentration test
  3.    Capacity test
  4.    None of these
 Discuss Question
Answer: Option C. -> Capacity test
Question 87. . Steam exposure of a material at 100°C for 20 minutes for three consecutive days is known as
  1.    inspissation
  2.    tyndallization
  3.    autoclaving
  4.    none of these
 Discuss Question
Answer: Option B. -> tyndallization
Question 88. . Which of the following has most heat resistant spores?
  1.    Clostridium histolyticum
  2.    Clostridium perfringens
  3.    Bacillus stearothermophilus
  4.    Bacillus cereus
 Discuss Question
Answer: Option C. -> Bacillus stearothermophilus
Question 89. . Which of the following material is sterilized by use of red heat?
  1.    Soiled dressings
  2.    Inoculating wires and loops
  3.    Glass slides
  4.    All-glass syringes
 Discuss Question
Answer: Option B. -> Inoculating wires and loops
Question 90. . Which of the following is/are vapour-phase disinfectant/s?
  1.    Formaldehyde
  2.    Ethylene oxide
  3.    Both (a) and (b)
  4.    None of these
 Discuss Question
Answer: Option C. -> Both (a) and (b)

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