| 206. | Which of the following tests is designed to simulate the natural conditions under which the disinfectants are used in hospitals? |
| a. | Phenol coefficient test |
| b. | Minimum inhibitory concentration test |
| c. | Capacity test |
| d. | None of these |
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Answer: (c).Capacity test
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| 207. | Steam exposure of a material at 100°C for 20 minutes for three consecutive days is known as |
| a. | inspissation |
| b. | tyndallization |
| c. | autoclaving |
| d. | none of these |
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Answer: (b).tyndallization
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| 208. | Which of the following material is sterilized by use of red heat? |
| a. | Soiled dressings |
| b. | Inoculating wires and loops |
| c. | Glass slides |
| d. | All-glass syringes |
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Answer: (b).Inoculating wires and loops
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| 209. | Which of the following methods will not sterilize? |
| a. | Aqueous glutaraldehyde for 10 hours |
| b. | Dry heat at 171°C for 1 to 2 hours |
| c. | 121°C at 15 lb/in pressure for 15 to 20 minutes |
| d. | 100°C boiling water for 30 minutes |
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Answer: (d).100°C boiling water for 30 minutes
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| 210. | Which of the following is/are vapour-phase disinfectant/s? |
| a. | Formaldehyde |
| b. | Ethylene oxide |
| c. | Both (a) and (b) |
| d. | None of these |
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Answer: (c).Both (a) and (b)
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