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A body fluid specimen of 3500 mL is received in the lab. It would most likely be:

Which of the following is determined by light transmission between 525 and 555 nm?

False results in urobilinogen dipstick testing may occur due to:

How often must the partial thromboplastin time (PTT) reference interval be determined?

Which of the following can cause a falsely increased erythrocyte sedimentation rate (ESR)?

Which of the following conditions is associated with an elevated fibrinogen?

Which of the following results is not considered a normal urine value?

The following urinalysis results were obtained from a 4-month-old infant who experienced vomiting and diarrhea after milk ingestion and failed to gain weight: pH: 6 Protein, Glucose, Blood, Ketones, Bilirubin: negative Bilirubin: moderate Clinitest: 2+ These results are clinically significant in which of the following conditions?

A patient sample comes off an automated cell counter with a failure of the red cell “rule of three”. The red count is lower than expected given the hemoglobin. The mean cell volume (MCV), mean cell hemoglobin (MCH), and mean cell hemoglobin concentration (MCHC) are elevated. Which of the following is the most likely reason for this failure?

What technology minimizes the problems of a rigid aperture including protein buildup, coincidence, and a single cell being counted twice?