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You are validating a new assay to detect Influenza virus by a rapid antigen test.  You are comparing the results to culture results which is the gold standard and obtain the following results:   Positive for Influenza by Culture Negative for Influenza by Culture Positive for Influenza by rapid antigen test 500 50 Negative for Influenza by rapid antigen test 100 350   What is the Positive Predictive Value (PPV) for the new assay?

Reivew Day 19  on the Glucose October QC chart.  What does the plot indicate on this day?

You have run a batch of total proteins using a standard line made up of three standards: 3 g/dL, 5 g/dL and 8 g/dL.  The k factor of the standard line obtained is 0.0523.  The absorbance obtained for W896 is 0.510.  What total protein concentration should be reported out for sample W896?  

which of the following statements describes the differences between serum and plasma? 

Review the Comparison of Methods: Protein Assays Scatterplot and regression statistics pictured below: What can you conclude about the comparison of methods study pictured above?

Exam Integrity Instructions: Before starting the exam, hold up your cell phone and tablet (if applicable) to the camera, then place them out of reach behind you. If you are wearing a smartwatch, put it on airplane mode or remove it for the duration of the exam. If using scratch paper, show both sides to the camera to confirm they are blank before beginning. **Failure to follow these instructions may result in a loss of points or a score of zero on the exam** T/F: I have performed this task(s) on camera

Lipemia appears as [physical] in serum/plasma due to [reason].

To properly use a volumetric pipet calibrated “to deliver” (TD), one should: *contents refers to the liquid inside the pipet  

What is the purpose of Method Validation?

An antimicrobial drug with a _______ chemotherapeutic index(TI) is a better choice than one with a _______ therapeutic index.