Phlebotomy Test Study Guide 2026

Studies consistently show that 60–70% of all laboratory errors are pre-analytical, underscoring the critical importance of proper specimen collection and handling.

HIPAA (Health Insurance Portability and Accountability Act) protects patient health information and restricts unauthorized disclosure.

Class C extinguishers are designed for electrical fires and use non-conductive agents that will not worsen the hazard.

Bedside labeling immediately after collection is the most critical step to prevent mislabeling errors, which are a leading cause of transfusion reactions and diagnostic mistakes.

The recommended needle insertion angle for venipuncture is 15–30 degrees, with 30 degrees being the accepted maximum for most patients.

For a thick smear, a large drop of blood is spread in a circular motion to create a smear about the size of a dime. This technique concentrates the parasites, making them easier to find. Unlike thin smears, thick smears are not fixed with methanol, as this would prevent the red blood cells from lysing, which is necessary for proper examination.