Pharmacy Practice MCQ, in this article we will solve, Practice MCQ under subject Microbiology. Read following article for your reference.
- Which gas is commonly used in gaseous sterilization?
- a) Nitrogen
- b) Ethylene oxide
- c) Oxygen
- d) Carbon dioxide
- What is the primary mechanism of action for gaseous sterilization?
- a) Oxidation
- b) Alkylation
- c) Hydrolysis
- d) Dehydration
- Which of the following is a merit of gaseous sterilization?
- a) High temperature requirement
- b) High penetration power
- c) Low cost
- d) Short process time
- What is a major demerit of using ethylene oxide for sterilization?
- a) Low penetration power
- b) Toxicity
- c) Ineffectiveness against spores
- d) High temperature requirement
- Which stage involves removing residual gas after gaseous sterilization?
- a) Preconditioning
- b) Gas introduction
- c) Exposure
- d) Aeration
- What is the typical temperature range for ethylene oxide sterilization?
- a) 20-30°C
- b) 37-63°C
- c) 70-90°C
- d) 100-120°C
- Which material is ideal for gaseous sterilization?
- a) Metals
- b) Plastics
- c) Glass
- d) Ceramics
- How long can the exposure time for gaseous sterilization range?
- a) 10-30 minutes
- b) 1-6 hours
- c) 12-24 hours
- d) 2-4 days
- What is the role of preconditioning in gaseous sterilization?
- a) To introduce the sterilant gas
- b) To control temperature and humidity
- c) To evacuate the gas
- d) To aerate the items
- Which gas is NOT used in gaseous sterilization?
- a) Ethylene oxide
- b) Formaldehyde
- c) Hydrogen peroxide
- d) Carbon monoxide
- What type of radiation is commonly used for sterilization?
- a) Ultraviolet (UV)
- b) Infrared (IR)
- c) Gamma rays
- d) Microwaves
- What is the primary mechanism of action for radiation sterilization?
- a) Alkylation
- b) Ionization
- c) Oxidation
- d) Dehydration
- Which of the following is a merit of radiation sterilization?
- a) High temperature requirement
- b) High penetration power
- c) Low cost
- d) Short process time
- What is a major demerit of using gamma rays for sterilization?
- a) Low penetration power
- b) Toxicity
- c) Ineffectiveness against spores
- d) High equipment cost
- Which material is ideal for radiation sterilization?
- a) Metals
- b) Plastics
- c) Glass
- d) Ceramics
- How long can the exposure time for radiation sterilization range?
- a) Seconds to minutes
- b) 1-6 hours
- c) 12-24 hours
- d) 2-4 days
- What is the role of ionization in radiation sterilization?
- a) To introduce the sterilant gas
- b) To control temperature and humidity
- c) To damage microbial DNA
- d) To aerate the items
- Which type of radiation is NOT used in sterilization?
- a) Gamma rays
- b) X-rays
- c) Ultraviolet (UV)
- d) Radio waves
- What is the typical dose range for gamma radiation sterilization?
- a) 1-5 kGy
- b) 10-50 kGy
- c) 100-200 kGy
- d) 500-1000 kGy
- Which of the following is NOT a merit of radiation sterilization?
- a) Effective for heat-sensitive materials
- b) High penetration power
- c) Short process time
- d) Low equipment cost
- Which sterilization method is suitable for heat-sensitive materials?
- a) Dry heat
- b) Moist heat
- c) Gaseous sterilization
- d) Filtration
- What is a common application of gaseous sterilization?
- a) Sterilizing surgical instruments
- b) Sterilizing pharmaceuticals
- c) Sterilizing food products
- d) Sterilizing laboratory glassware
- Which sterilization method involves the use of ethylene oxide?
- a) Dry heat
- b) Moist heat
- c) Gaseous sterilization
- d) Radiation sterilization
- What is a common application of radiation sterilization?
- a) Sterilizing surgical instruments
- b) Sterilizing pharmaceuticals
- c) Sterilizing food products
- d) Sterilizing laboratory glassware
- Which of the following gases is carcinogenic and requires careful handling?
- a) Nitrogen
- b) Ethylene oxide
- c) Oxygen
- d) Carbon dioxide
- Which sterilization method is effective for complex structures and packaging materials?
- a) Dry heat
- b) Moist heat
- c) Gaseous sterilization
- d) Filtration
- What is the primary disadvantage of gaseous sterilization?
- a) High temperature requirement
- b) Toxicity
- c) Ineffectiveness against spores
- d) High equipment cost
- Which sterilization method uses gamma rays?
- a) Dry heat
- b) Moist heat
- c) Gaseous sterilization
- d) Radiation sterilization
- What is the primary advantage of radiation sterilization?
- a) High temperature requirement
- b) High penetration power
- c) Low cost
- d) Short process time
- Which sterilization method is suitable for sterilizing medical devices?
- a) Dry heat
- b) Moist heat
- c) Gaseous sterilization
- d) Filtration
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