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Total Questions : 99 | Page
4
of 10 pages
Question 31.
Which of the following material is sterilized by heating at 160°C in a hot air oven for one hour?
All-glass syringes
Swab sticks
All of these
Oils and jellies
See Solution
Discuss Question
Answer: Option C. ->
All of these
Question 32.
Which of the following is sterilized with the help of glutaraldehyde?
All of these
Cystoscopes
Bronchoscopes
Thermometers
See Solution
Discuss Question
Answer: Option A. ->
All of these
Question 33.
The organisms retained in the fluids filtered by Seitz filter is
Clostridium
Proteus
Staphylococcus
None of these
See Solution
Discuss Question
Answer: Option D. ->
None of these
Question 34.
For sterilization of which material gamma rays can be used?
Canulas
Catheters
Plastic syringes
None of these
See Solution
Discuss Question
Answer: Option D. ->
None of these
Question 35.
The time in minutes at a specific temperature needed to kill a population of cells is the
thermal death point
thermal death temperature
F value
decimal reduction time
See Solution
Discuss Question
Answer: Option C. ->
F value
Question 36.
Which of the following is a limitation of the autoclave?
It will destroy heat labile materials
It takes too long to sterilize
It lacks the ability to kill endospores
It lacks the ability to inactivate viruses
See Solution
Discuss Question
Answer: Option A. ->
It will destroy heat labile materials
Question 37.
Which of the following tests is designed to simulate the natural conditions under which the disinfectants are used in hospitals?
Capacity test
Phenol coefficient test
None of these
Minimum inhibitory concentration test
See Solution
Discuss Question
Answer: Option A. ->
Capacity test
Question 38.
The lowest temperature that kills all microorganisms in a liquid suspension in 10 minutes is known as the
decimal reduction time
thermal death point
thermal death time
thermal death temperature
See Solution
Discuss Question
Answer: Option B. ->
thermal death point
Question 39.
Which of the following has most heat resistant spores?
Clostridium histolyticum
Clostridium perfringens
Bacillus stearothermophilus
Bacillus cereus
See Solution
Discuss Question
Answer: Option C. ->
Bacillus stearothermophilus
Question 40.
Steam exposure of a material at 100°C for 20 minutes for three consecutive days is known as
inspissation
autoclaving
tyndallization
none of these
See Solution
Discuss Question
Answer: Option C. ->
tyndallization
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