CMLA Quality Control & Assurance in Laboratory Practices

Question 1

Why is quality control important in laboratory testing?

Accepted Answer

To ensure accuracy and reliability of results.

Answer

To make the laboratory look efficient.

Answer

To increase testing speed.

Answer

To reduce the cost of testing.

Question 2

What is the role of calibration in quality control?

Accepted Answer

To ensure equipment accuracy and precision.

Answer

To adjust the equipment for more speed.

Answer

To increase the number of tests conducted.

Answer

To make the equipment easier to use.

Question 3

What should be done if a quality control test result falls outside the acceptable range?

Accepted Answer

Investigate the cause and correct the problem.

Answer

Ignore the result and continue testing.

Answer

Report it to a supervisor and stop testing.

Answer

Repeat the test without changing anything.

Question 4

How often should quality control tests be performed in a laboratory?

Accepted Answer

As specified by laboratory protocols or at each shift.

Answer

Once a year.

Answer

Every few months.

Answer

Only when a problem is noticed.

Question 5

What should be done if quality control procedures reveal an equipment malfunction?

Accepted Answer

Stop using the equipment until it is repaired or recalibrated.

Answer

Ignore the malfunction and continue using the equipment.

Answer

Use the equipment for low-importance tests.

Answer

Report the malfunction but keep using the equipment.

Question 6

Why is proper documentation important in quality control?

Accepted Answer

For accountability, tracking, and future reference.

Answer

It is not important.

Answer

To ensure tests are not repeated.

Answer

To speed up the testing process.

Question 7

What is the role of proficiency testing in quality control?

Accepted Answer

To evaluate laboratory staff's ability and accuracy.

Answer

To check if equipment is functioning.

Answer

To improve laboratory efficiency.

Answer

To meet regulatory requirements only.

Question 8

How should laboratory personnel respond to discrepancies in test results?

Accepted Answer

Report and investigate to identify and correct the cause.

Answer

Ignore the discrepancies.

Answer

Repeat the test without investigation.

Answer

Disregard it as a minor error.

Question 9

What is the best way to ensure the accuracy of test results?

Accepted Answer

Follow SOPs and maintain equipment.

Answer

Use a random approach to testing.

Answer

Perform tests without calibration.

Answer

Rely on assumptions to expedite testing.