POCT
Lab Values
Specialty Testing
Specimen Processing
Errors
100
This point-of-care test uses a reagent strip to screen urine for substances such as glucose, protein, blood, and leukocytes.
What is a urinalysis (UA)?
100
Normal range for a fasting glucose
What is 70-99 mg/dL
100
At what distance do children stand from the chart during a Snellen test
What is 20ft
100
What legal documentation tracks every person who handles a drug or alcohol testing specimen?
What is a chain of custody
100
This specimen error can lead to serious testing discrepancies and is one of the most common mistakes impacting lab results.
What is a mislabeled specimen?
200
This type of testing is commonly performed in ambulatory care settings and poses minimal risk if done incorrectly.
What is CLIA-waived testing?
200
Normal range for total cholesterol
What is <200mg/dL
200
The Ishihara test screens for what condition?
What is red-green color deficiency
200
Information that needs to be included on a specimen label?
Patient name, DOB, Date/Time of collection, CMA's initials
200
Failing to properly instruct a patient on this urine collection method can result in excess bacteria and the need to recollect the sample.
What is a clean-catch urine sample?
300
This type of blood sample is used for point-of-care glucose, hemoglobin, and cholesterol testing.
What is capillary blood from a fingerstick?
300
The following RBC would be considered low, normal, or high: 3.8
What is low
300
Expected result for a normal tympanogram
What is a peak on the graph
300
Sent along with the specimen in a clear biohazard bag
What is a requisition
300
This phase of laboratory testing includes specimen collection, labeling, processing, and transport to the lab.
What is the preanalytical phase?
400
This test reflects average blood sugar control over approximately three months.
What is hemoglobin A1C?
400
The following Hgb A1C would be considered low, normal, or high: 6.5%
What is high
400
The time needed for allergy scratch test
What is 15 minutes
400
A way to ensure accuracy when taking a call from a lab for a critical lab value
What is repeating the result back to the lab personnel
400
Instrument calibration, running controls, and comparing results to reference ranges all occur during this phase of testing.
What is the analytic phase?
500
Result
What is invalid?
500
A female patient has an HDL of 90 mg/dL. Is this normal or abnormal?
What is abnormal
500
Peak flow rating that does not require treatment
What is >80%
500
Part of lab where blood products for transfusions are stored
What is the blood bank
500
Name that phase: A sample is collected correctly, but the amount of blood in the tube does not match the required anticoagulant ratio.
What is the preanalytical phase?
600
During rapid strep testing, this area of the throat must be swabbed to detect group A streptococcus.
What is the posterior throat and tonsillar area?
600
The normal range for hematocrit in males
What is 42%-50%
600
What type of medication should a patient avoid before allergy testing?
What are antihistamines
600
Urine specimen be storage if it cannot be tested within one hour of collection
What is refrigerated
600
Accurately recording test results and documenting communication with patients is a key medical assistant responsibility during this phase.
What is the postanalytical phase?
700
This test measures the percentage of red blood cells in whole blood after centrifuging capillary blood.
What is a spun hematocrit?
700
Normal range of hemoglobin for female patients
What is 12-16 g/dL
700
Three things patients should avoid before a spirometry test
What is: No large meals 2hrs before, No smoking 1hr before, No use of bronchodilators 6hrs before
700
The lab department that is responsible for the microscopic examination of cells
What is cytology
700
Name that phase: Two specimens are accidentally switched while being tested, causing results to be recorded for the wrong patient.
What is the analytic phase?
800
Things patients should avoid to prevent false positive results on fecal occult tests (6)
What are red meats or dyes, aspirin or aspirin products, vitamin C, and iron supplements
800
The tests included in a CBC
What are: WBC, RBC, Platelet count, Granulocyte, Hgb, Hct, MCV
800
The type of test used to evaluate presbyopia or hyperopia
What is the Jaeger test
800
A specimen container that could potentially break during transport should be
What is wrapped in absorbent material and placed in a biohazard bag
800
Name that phase: A provider never receives the patient’s lab results, delaying diagnosis and treatment.
What is the postanalytical phase?