Blood Specimen Collection and Handling Quiz

21 gauge needles offer a balance between patient comfort and blood flow rate.

Fingerstick is preferred for capillary blood collection due to its accessibility and minimal discomfort.

EDTA prevents blood clotting by chelating calcium ions, preserving cell morphology for hematology testing.

Inverting tubes ensures thorough mixing of blood with anticoagulants, preventing clot formation and ensuring accurate results.

Proper patient identification is crucial to avoid mixing up samples and ensure accurate test results.

Drawing blood in the specified order minimizes cross-contamination and ensures accurate test results.

Sample temperature can affect blood gas solubility and alter gas levels, impacting the accuracy of blood gas analysis results.

Aerobic blood culture bottles support the growth of bacteria that require oxygen, aiding in the detection of aerobic bacterial infections.

Improper tourniquet application can lead to petechiae, small red or purple spots caused by broken capillaries.

Blood culture collection aims to identify microbial infections by culturing blood samples for bacterial or fungal growth.

Air embolism, caused by air entering the bloodstream, is a potential complication of ABG sample collection and can be life-threatening.

The radial artery is the preferred site for arterial blood collection due to its accessibility and lower risk of complications.

Maintaining sample integrity, including proper handling and storage, is crucial for accurate coagulation test results.

Discarding the initial blood draw helps clear the catheter of residual medications and ensures the accuracy of subsequent blood samples.