Blood Tubes

Question 1

What colour tube is used for collecting blood samples that require no anticoagulant?

Answer 1

Red

The red tube does not contain any anticoagulant.

Question 2

What colour tube contains Sodium Citrate as an anticoagulant?

Answer 2

Blue

The blue tube is primarily used for coagulation tests. Plasma when spun down. Whole blood for testing.

Question 3

What colour tube contains Edta as an anticoagulant?

Answer 3

Purple

The purple tube is commonly used for hematology tests. Plasma when spun down. Whole blood used for testing

Question 4

What colour tube contains Sodium Heparin as an anticoagulant?

Answer 4

Green

The green tube is used for various tests including chemistry. Plasma when spun down. Plasma for testing.

Question 5

What is the sample type used for testing when using a red tube?

Answer 5

Serum

Serum is obtained after the blood is spun down.

Question 6

What is the sample type used for testing when using a blue tube?

Answer 6

Whole blood

Plasma is obtained from whole blood after centrifugation.

Question 7

What are the main tests performed using the red tube?

Answer 7

Chemistry

The red tube is primarily used for various chemistry tests. Serum when spun down. Serum for testing.

Question 8

What is the sample type used for testing when using a purple tube?

Answer 8

Whole Blood

Whole blood is often used for CBC tests. Plasma when spun down

Question 9

Fill in the blank: The blue tube is primarily used for _______ tests.

Answer 9

Coagulation

Coagulation tests assess the blood’s ability to clot.

Question 10

Gold/Yellow tube

Answer 10

No Anticoagulant
Serum when spun down
Serum used for testing
Chemistry