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?

<p>To prevent contamination of the blood sample (A)</p> Signup and view all the answers

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

<p>Apply bandage to the puncture site (C)</p> Signup and view all the answers

What is the recommended puncture site for a premature neonate?

<p>Heel (A)</p> Signup and view all the answers

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

<p>Gas tubes, slides, EDTA, other additive, serum (D)</p> Signup and view all the answers

What is the recommended cleaning solution for the puncture site?

<p>70% Isopropyl Alcohol (C)</p> Signup and view all the answers

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

<p>To stimulate blood flow (A)</p> Signup and view all the answers

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

<p>2.4 mm (B)</p> Signup and view all the answers

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

<p>Earlobe and callused finger (B)</p> Signup and view all the answers

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