Pharmacy Practice MCQ, in this article we will solve, Practice MCQ under subject Microbiology. Read following article for your reference.
Sterility Indicator » PHARMACAREERS
What is the primary purpose of a sterility indicator?
a) To reduce microbial load
b) To completely eliminate all forms of microbial life
c) To disinfect surfaces
d) To confirm the effectiveness of sterilization processes
Which type of sterility indicator uses biological spores to test sterilization efficacy?
a) Chemical indicator
b) Physical indicator
c) Biological indicator
d) Mechanical indicator
What is a common microorganism used in biological indicators for steam sterilization?
a) Escherichia coli
b) Bacillus subtilis
c) Geobacillus stearothermophilus
d) Staphylococcus aureus
Which type of sterility indicator changes color when exposed to specific sterilization conditions?
a) Biological indicator
b) Chemical indicator
c) Physical indicator
d) Mechanical indicator
What is the main advantage of using chemical indicators in sterilization?
a) They provide a biological measure of sterility
b) They are easy to interpret
c) They are reusable
d) They require no special storage conditions
Which type of sterility indicator is used to monitor physical conditions such as temperature and pressure during sterilization?
a) Biological indicator
b) Chemical indicator
c) Physical indicator
d) Mechanical indicator
What is the primary function of a sterility indicator in pharmaceutical manufacturing?
a) To ensure product quality
b) To confirm the absence of viable microorganisms
c) To monitor the duration of the sterilization cycle
d) To control the temperature
Which type of sterility indicator is often used in autoclaves?
a) Chemical indicator
b) Physical indicator
c) Biological indicator
d) Mechanical indicator
What is the main advantage of using biological indicators over chemical indicators?
a) They are less expensive
b) They provide a direct measure of microbial inactivation
c) They are easier to use
d) They require no special storage conditions
Which type of sterility indicator is most suitable for verifying the effectiveness of dry heat sterilization?
a) Chemical indicator
b) Physical indicator
c) Biological indicator
d) Mechanical indicator
What is the primary disadvantage of using biological indicators?
a) They are expensive
b) They require special storage conditions
c) They are difficult to interpret
d) They are not reusable
Which type of sterility indicator is often used in gamma irradiation sterilization?
a) Chemical indicator
b) Physical indicator
c) Biological indicator
d) Mechanical indicator
What is the main advantage of using physical indicators in sterilization?
a) They provide a direct measure of microbial inactivation
b) They are reusable
c) They are easy to interpret
d) They require no special storage conditions
Which type of sterility indicator is most suitable for verifying the effectiveness of chemical sterilization?
a) Chemical indicator
b) Physical indicator
c) Biological indicator
d) Mechanical indicator
What is the primary function of a sterility indicator in clinical settings?
a) To ensure product quality
b) To confirm the absence of viable microorganisms
c) To monitor the duration of the sterilization cycle
d) To control the temperature
Which type of sterility indicator is often used in UV sterilization?
a) Chemical indicator
b) Physical indicator
c) Biological indicator
d) Mechanical indicator
What is the main advantage of using chemical indicators over biological indicators?
a) They are less expensive
b) They provide a direct measure of microbial inactivation
c) They are easier to use
d) They require no special storage conditions
Which type of sterility indicator is most suitable for verifying the effectiveness of filtration sterilization?
a) Chemical indicator
b) Physical indicator
c) Biological indicator
d) Mechanical indicator
What is the primary disadvantage of using physical indicators?
a) They are expensive
b) They require special storage conditions
c) They are difficult to interpret
d) They are not reusable
Which type of sterility indicator is often used in moist heat sterilization?
a) Chemical indicator
b) Physical indicator
c) Biological indicator
d) Mechanical indicator
What is the main advantage of using biological indicators over physical indicators?
a) They are less expensive
b) They provide a direct measure of microbial inactivation
c) They are easier to use
d) They require no special storage conditions
Which type of sterility indicator is most suitable for verifying the effectiveness of gas sterilization?
a) Chemical indicator
b) Physical indicator
c) Biological indicator
d) Mechanical indicator
What is the primary function of a sterility indicator in laboratory settings?
a) To ensure product quality
b) To confirm the absence of viable microorganisms
c) To monitor the duration of the sterilization cycle
d) To control the temperature
Which type of sterility indicator is often used in dry heat sterilization?
a) Chemical indicator
b) Physical indicator
c) Biological indicator
d) Mechanical indicator
What is the main advantage of using physical indicators over chemical indicators?
a) They are less expensive
b) They provide a direct measure of microbial inactivation
c) They are easier to use
d) They require no special storage conditions
Which type of sterility indicator is most suitable for verifying the effectiveness of chemical vapor sterilization?
a) Chemical indicator
b) Physical indicator
c) Biological indicator
d) Mechanical indicator
What is the primary disadvantage of using chemical indicators?
a) They are expensive
b) They require special storage conditions
c) They are difficult to interpret
d) They are not reusable
Which type of sterility indicator is often used in radiation sterilization?
a) Chemical indicator
b) Physical indicator
c) Biological indicator
d) Mechanical indicator
What is the main advantage of using biological indicators over chemical indicators?
a) They are less expensive
b) They provide a direct measure of microbial inactivation
c) They are easier to use
d) They require no special storage conditions
Which type of sterility indicator is most suitable for verifying the effectiveness of moist heat sterilization?
a) Chemical indicator
b) Physical indicator
c) Biological indicator
d) Mechanical indicator
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