12 Questions
What is the primary component used to bind to an antigen in immunoassays?
Antibodies
Approximately what percentage of all clinically normal individuals will have test results that fall within three standard deviations (+/- 3SD) from the mean?
95%
What would be the correct dosage of acetaminophen (10mg/kg) for a 30lbs patient?
136 mg
What is the interpretation of a Flu rapid test with a 70% sensitivity coming back positive?
Out of 100 patients, 70 will be properly identified as having the disease, and 30 will have a false negative.
What do accuracy and precision measure in the context of diagnostic tests?
Trueness, repeatability
What is the difference between sensitivity and specificity in diagnostic tests?
Sensitivity measures the proportion of true positives, while specificity measures the proportion of true negatives.
What is the ability of a test to correctly identify individuals who have a given condition?
Sensitivity
What is a biomarker?
An objective, quantifiable characteristic of biological processes
Which of the following tests enables a PA to cut their diagnosis time significantly for COVID infection?
Nucleic acid test
What type of immunoassay is a pregnancy test that demonstrates a ‘yes’ for a positive and a ‘no’ for a negative?
Qualitative immunoassay
What can increase Hematocrit?
Polycythemia
What is a factor that can falsely affect the platelet count?
Giant platelets counted as WBC
Test your knowledge on medical testing methods, interpreting test results, and calculating correct dosages for medications. This quiz covers topics such as immunoassays, standard deviations in test results, and medication dosages based on patient weight.
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