NHA CPT Prep Online

The correct approach is to have the patient lie down during the blood draw to prevent the risk of falling and injury if they faint. Fainting or feeling dizzy is more likely while sitting or standing. Asking about their visit frequency or tilting their head back does not address the safety concern. Standing is unsafe and increases the risk of falling during fainting.

Newborn screening for disorders such as MSUD is commonly performed on a dried blood spot specimen collected by heel puncture and applied to approved filter paper so the printed circles are fully saturated. The choices describing a coagulation tube, a urine culture specimen, or delayed processing of a serum specimen do not match standard newborn screening collection and handling requirements.

Hemoglobin A1c reflects average blood glucose over the prior 2–3 months by measuring the percent of hemoglobin that is glycated. The test is performed on whole blood, and it is typically collected in a purple (lavender) top tube containing EDTA to prevent clotting and preserve the cellular sample. The choice mentioning a blue top tube is most commonly associated with sodium citrate for coagulation studies, not A1c testing. The choice mentioning a black top tube is commonly used for erythrocyte sedimentation rate testing. The choice mentioning a yellow top tube is typically used for blood cultures (SPS) or certain specialized testing depending on the manufacturer; it is not the standard tube for hemoglobin A1c. Note: Tube color conventions can vary by manufacturer and facility policy, so local laboratory requirements should be followed.