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Phlebotomy: Dermal Puncture Site Selection

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Phlebotomy: Dermal Puncture Site Selection

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Questions and Answers

What is the first step in collecting a blood sample?

Wipe away the first drop of blood with a sterile dry gauze (correct)

Collect the sample in the chosen container

Hold the gauze to the puncture site

Apply bandage to the puncture site

Why is the patient's hand positioned in a downward angle during blood collection?

To allow the blood to flow downward and into the collector (correct)

To make the patient more comfortable

To prevent the blood from flowing into the collector

To provide a clearer view of the puncture site

What happens after the puncture?

The puncture site is immediately bandaged

The patient is asked to apply pressure to the puncture site

The blood sample is immediately collected

The blood drips downward and into the collector (correct)

What is the purpose of wiping away the first drop of blood?

To prevent contamination of the blood sample Signup and view all the answers

What should be done to the puncture site after bleeding has stopped?

Apply bandage to the puncture site Signup and view all the answers

What is the recommended puncture site for a premature neonate?

Heel Signup and view all the answers

What is the correct order of draw for capillary puncture tubes?

Gas tubes, slides, EDTA, other additive, serum Signup and view all the answers

What is the recommended cleaning solution for the puncture site?

70% Isopropyl Alcohol Signup and view all the answers

Why is it important to massage the lower portion of the finger before puncture?

To stimulate blood flow Signup and view all the answers

What is the recommended puncture depth for an adult using a finger as the puncture site?

2.4 mm Signup and view all the answers

What areas are NOT recommended for dermal (capillary) puncture?

Earlobe and callused finger Signup and view all the answers