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Questions and Answers
What type of errors are indeterminate or random errors?
What type of errors are indeterminate or random errors?
- Errors that do not affect precision
- Errors caused by specific variables
- Errors that are determined and controlled
- Errors that affect precision (correct)
Which of the following is an example of a random error?
Which of the following is an example of a random error?
- Wrong test performed due to mislabeling
- Incorrect patient ID error
- Contaminated samples due to poor technique
- Presence of bubbles in one of the trials (correct)
What do random errors result from?
What do random errors result from?
- Many small, uncontrollable variables and personal judgments (correct)
- Specific, predictable variables
- Controlled variables
- Large, controllable factors
Which of the following is NOT mentioned as a type of personal error in the medical laboratory?
Which of the following is NOT mentioned as a type of personal error in the medical laboratory?
How do random errors influence a measured value?
How do random errors influence a measured value?
What is the main characteristic of systematic errors?
What is the main characteristic of systematic errors?
Which term is used to measure the systematic error associated with an analysis?
Which term is used to measure the systematic error associated with an analysis?
What is the sign of bias if it causes the results to be low?
What is the sign of bias if it causes the results to be low?
What causes instrumental errors in analytical chemistry?
What causes instrumental errors in analytical chemistry?
Which type of error arises from the personal limitations of the experimenter?
Which type of error arises from the personal limitations of the experimenter?
In analytical chemistry, what can cause a weight to be less than the correct one in the gravimetric method?
In analytical chemistry, what can cause a weight to be less than the correct one in the gravimetric method?
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