Anticoagulants Used in Medical Tests
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Questions and Answers

What is the recommended anticoagulant for coagulation tests?

  • Heparin (correct)
  • SPS
  • EDTA
  • ACD

Which anticoagulant is used for routine hematology determinations?

  • K2 EDTA
  • EDTA (correct)
  • Sodium Citrate
  • Heparin

In what ratio is the blood to anticoagulant for coagulation tests when using Sodium Citrate?

  • 15:1
  • 3:1
  • 9:1 (correct)
  • 4:1

What is the function of Heparin as an anticoagulant?

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

Which anticoagulant is used for DNA tests and paternity tests?

<p>K2 EDTA (A)</p> Signup and view all the answers

What category does Oxalate belong to in the context of blood collection additives?

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

How can a phlebotomist avoid hematoma formation during blood collection?

<p>Apply pressure to the site after extraction. (C)</p> Signup and view all the answers

Which anticoagulant is typically found in the Blood Culture tube?

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

What is the correct order of draw in phlebotomy, following the 'B C S H E S' sequence?

<p>Blood Culture tube, Citrate, Serum, Heparinized, EDTA (D)</p> Signup and view all the answers

What should a phlebotomist do to avoid a clotted sample during blood collection?

<p>Transfer the sample to the tube as soon as possible. (A)</p> Signup and view all the answers

In capillary puncture, why is it important to adjust the depth and angle of the needle?

<p>To ensure a fast flash of blood. (C)</p> Signup and view all the answers

Which anticoagulant is commonly used to preserve plasma for coagulation studies?

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

What is the most common cause of needle puncture during blood collection?

<p>Improper disposal (D)</p> Signup and view all the answers

Which antiseptic is commonly used in the routine procedure for venipuncture?

<p>70% isopropyl alcohol (C)</p> Signup and view all the answers

What is the primary limitation of AccuVein in visualizing veins during procedures?

<p>Cannot visualize deep veins (C)</p> Signup and view all the answers

Which anticoagulant is commonly used in blood collection tubes to preserve cell morphology?

<p>EDTA (C)</p> Signup and view all the answers

What effect does heparin have on blood samples collected for coagulation studies?

<p>Inhibits clot formation (B)</p> Signup and view all the answers

In blood collection, what is the primary purpose of using Sodium Citrate as an anticoagulant?

<p>Prevent clotting by binding calcium ions (C)</p> Signup and view all the answers

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