31. The organisms retained in the fluids filtered by Seitz filter is
A. Proteus
B. Staphylococcus
C. Clostridium
D. None of these
32. Which of the following material is sterilized by heating at 160°C in a hot air oven for one hour?
A. Swab sticks
B. All-glass syringes
C. Oils and jellies
D. All of these
33. For sterilization of which material gamma rays can be used?
A. Catheters
B. Plastic syringes
C. Canulas
D. None of these
34. Which of the following is sterilized with the help of glutaraldehyde?
A. Thermometers
B. Bronchoscopes
C. Cystoscopes
D. All of these
35. The time in minutes at a specific temperature needed to kill a population of cells is the
A. decimal reduction time
B. thermal death point
C. thermal death temperature
D. F value
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