Which of the following is the minimum temperature an autoclave chamber must reach for sterilization to be properly performed?
116 C (240° F)
121° C (250 F)
100 C (212° F)
149° C (300° F)
The Correct Answer is B
A. 116° C (240° F): This temperature is not sufficient for effective sterilization; it is below the standard required.
B. 121° C (250° F): The minimum temperature for proper sterilization in an autoclave is 121° C (250° F), which is required to achieve effective sterilization.
C. 100° C (212° F): This temperature is not sufficient for sterilization, as it only reaches the boiling point of water.
D. 149° C (300° F): This temperature is higher than necessary for standard autoclave sterilization, though it is effective.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Human hair: Human hair is not considered potentially infectious material under the Bloodborne Pathogens Standard.
B. Sweat: Sweat is not classified as potentially infectious material because it does not typically contain bloodborne pathogens.
C. Normal saliva: Normal saliva is not classified as potentially infectious material; however, saliva can be considered potentially infectious if it is visibly contaminated with blood.
D. Septic wound: A septic wound contains pus and is considered potentially infectious material because it can contain pathogens.
Correct Answer is D
Explanation
A. Yellow: The yellow tube, used for blood cultures, is typically collected first to prevent contamination.
B. Light blue: The light blue tube is used for coagulation studies and should be collected before tubes containing additives that could interfere with coagulation tests.
C. Red: The red tube, which may contain no additives or a clot activator, is usually collected after the light blue tube.
D. Gray: The gray tube is used for glucose testing and should be filled last as it contains additives that could interfere with other tests if collected earlier.
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