A Quick Draw Tubes Quiz!

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Quizzes Created: 30 | Total Attempts: 43,092

Questions: 5 | Attempts: 273 | Updated: Mar 20, 2023

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The quiz below is on quick draw tubes that are used in Phlebotomy. Tubes come in different colors, and they contain different additives too, which may confuse some practitioners and might lead to wrong tests being done or the procedure not meeting the desired objectives. Take up the test and see just how well you will do. All the best!

Questions and Answers

1.

Which tube has sodium citrate?
- A.
  
  Light blue
- B.
  
  Royal blue
Correct Answer
A. Light blue

Explanation
The light blue tube contains sodium citrate. Sodium citrate is commonly used as an anticoagulant in blood collection tubes. It prevents blood from clotting by binding to calcium ions, which are necessary for the clotting process. The use of sodium citrate in light blue tubes allows for the collection of whole blood for coagulation tests, such as prothrombin time (PT) and activated partial thromboplastin time (aPTT). The royal blue tube, on the other hand, is typically used for trace element testing and does not contain sodium citrate.

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2.

Which tube has EDTA?
- A.
  
  LAVENDER
- B.
  
  SERUM
Correct Answer
A. LAVENDER

Explanation
The tube that has EDTA is the lavender tube.

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3.

WHICH TUBE HAS EDTA
- A.
  
  PINK
- B.
  
  GREEN
Correct Answer
A. PINK

Explanation
The correct answer is PINK because tubes with EDTA are commonly used for collecting and preserving blood samples for hematological tests. The pink-colored tube contains EDTA as an anticoagulant, which helps to prevent blood from clotting. This allows for accurate testing of various blood components such as red blood cells, white blood cells, and platelets. The green-colored tube, on the other hand, typically contains heparin or sodium citrate as an anticoagulant, not EDTA.

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4.

WHICH TUBE CLOTS?
- A.
  
  PLASMA TUBE
- B.
  
  SERUM
Correct Answer
B. SERUM

Explanation
The correct answer is serum because serum is a clear, yellowish fluid that remains after blood has clotted and the clot has been removed. Unlike plasma, which contains clotting factors, serum does not contain any clotting factors and is therefore unable to clot.

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5.

WHICH TUBE HAS HEPARIN?
- A.
  
  RED
- B.
  
  GREEN
Correct Answer
B. GREEN

Explanation
The green tube has heparin. Heparin is an anticoagulant that prevents blood from clotting. Green tubes are commonly used for collecting blood samples for certain tests that require plasma or whole blood with anticoagulants. The heparin in the green tube prevents the blood from clotting, allowing for accurate testing.

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A Quick Draw Tubes Quiz!

Which tube has sodium citrate?

Which tube has EDTA?

WHICH TUBE HAS EDTA

WHICH TUBE CLOTS?

WHICH TUBE HAS HEPARIN?