Blood Basics
Tube Colors & Additives
Hematology Tests
Disorders
Misc.
100

This liquid portion of blood makes up about 55% of total volume.

What is plasma

100

This tube contains EDTA and is used for CBC testing.

What is a lavender tube?

100

This test measures the percentage of RBCs in blood.

What is hematocrit?

100

This condition means low red blood cells.

What is anemia?

100

The lifespan of RBCs.

What is 120 days?

200

These cells carry oxygen using hemoglobin.

What are the red blood cells?

200

This tube is used for coagulation studies like PT/INR

What is a light blue tube?

200

This test counts all types of blood cells.

What is a CBC?

200

This disorder involves too many white blood cells.

What is leukemia?

200

Where RBCs are created.

What are the long bones?

300

This blood component is responsible for clotting. 

What are platelets?

300

This additive prevents clotting by binding calcium.

What is EDTA?

300

This test measures clotting time for anticoagulant therapy.

What is PT/INR?

300

This disease causes abnormal sickle-shaped RBCs.

What is sickle-cell anemia?

300

Test for diabetes mellitus.

What is HgA1C?

400

This type of white blood cell fights bacterial infections first.

What are neutrophils?

400

This tube contains no additive and produces serum.

What is a red tube?

400

This test identifies types of white blood cells.

What is a differential?

400

This bleeding disorder involves missing clotting factors.

What is hemophilia?

400

This prevents the transfusion of blood products.

What are certain religious beliefs?

500

The process of destroying blood cells is called this.

What is hemolysis?

500

This tube contains heparin and is used for electrolyte testing.


What is a green tube?

500

This test evaluates iron storage in the body.

What is ferritin?

500

This condition causes low platelets.

What is thrombocytopenia?

500

Build up of RBCs caused by a tourniquet.

What is hemoconcentration?