Specialty Certified Medical Assistant Laboratory Procedures and Diagnostics

Question 1

What does the acronym 'CLIA' stand for in the context of medical laboratory regulations?

Accepted Answer

Clinical Laboratory Improvement Amendments

Answer

Certified Laboratory Inspection Agency

Answer

Clinical Licensing and Inspection Act

Answer

Comprehensive Laboratory Information Assessment

Question 2

Which type of microscopy is used to examine unstained specimens by varying the refractive index between the specimen and surrounding medium?

Accepted Answer

Phase-contrast microscopy

Answer

Darkfield microscopy

Answer

Fluorescence microscopy

Answer

Electron microscopy

Question 3

A urine dipstick test shows positive nitrites. What does this finding most likely indicate?

Accepted Answer

Bacterial infection in the urinary tract

Answer

Kidney stones

Answer

Dehydration

Answer

Glucose in the urine

Question 4

What is the normal fasting blood glucose range for an adult?

Accepted Answer

70-99 mg/dL

Answer

40-69 mg/dL

Answer

100-125 mg/dL

Answer

126-140 mg/dL

Question 5

Which laboratory test measures the percentage of red blood cells in a blood sample?

Accepted Answer

Hematocrit

Answer

Hemoglobin

Answer

Mean corpuscular volume (MCV)

Answer

Erythrocyte sedimentation rate (ESR)

Question 6

What is the purpose of a quality control (QC) sample in laboratory testing?

Accepted Answer

To verify that test results are accurate and within acceptable ranges before patient results are reported

Answer

To calibrate laboratory equipment at the start of each shift

Answer

To clean reagents between specimen runs

Answer

To serve as the negative control for infectious disease tests