Laboratory Specimen Handling, Time, Measurement, QA & QC Complete Chapter Quiz – Practice Set

Which abbreviation should be added to a laboratory requisition to indicate immediate testing?

Indicates urgent processing.

What should be documented if a patient did not eat or drink for 8 hours prior to blood collection?

Indicates adherence to testing protocols.

What document tracks sent specimens, labs used, results, and provider response?

Essential for maintaining specimen history.

What is the MA’s priority when sharing lab results with a patient?

Protects patient privacy.

Which specimen is collected using a swab?

Commonly used for infection testing.

What step must be performed prior to using a nasal swab?

Ensures test validity.

What specimen must be kept at body temperature?

Critical for sperm viability.

What specimen must be protected from light?

Prevents degradation of the sample.

Which specimen is refrigerated if testing is delayed?

Preserves sample integrity.

What is required in the chain of custody?

Ensures accountability for specimen handling.

10:20 PM in military time is:

Used for standardized timekeeping.

The military clock is based on a _____ minute hour.

Standardizes time across contexts.

Which temperature is normal for a laboratory freezer?

Prevents sample thawing.

Which unit measures volume?

Essential for accurate liquid measurements.

Which units are used for blood glucose in SI?

Facilitates international standardization.

Which equipment delivers very small amounts of liquid?

Allows for precise liquid handling.

What is essential when using a micropipette?

Prevents contamination of samples.

What is the most accurate definition of quality assurance?

Ensures reliability of laboratory results.

Which are enabled by QA?

Supports process improvement and reliability.

Why is QA implemented?

Maintains high standards in testing.

Daily QC involves checking:

Ensures test consistency.

Accuracy in QC means:

Results align with expected values.

Precision means:

Indicates repeatability of results.

Calibration means:

Validates measurement accuracy.

Reliability means:

Combines accuracy and precision.

How often are urinalysis dipstick controls checked?

Ensures ongoing test validity.

What is the correct order of the pre-analytic sequence?

Establishes a systematic approach to testing.

What is the correct order of the post-analytic stage?

Ensures thorough review and documentation.

Who determines QC record retention length?

Ensures compliance with regulations.