Hematologic System Values & Terms

Values

100

Normal red blood cell (RBC) count.  

Females:  4.2 - 5.4 million/mm³

Males:  4.6 - 6.2 million/mm³

200

Normal hemoglobin levels.

Females:  12.0 - 16.7 g/dL

Males:  13.0 - 18.0 g/dL

300

Normal hematocrit levels (% of RBCs in your blood).

Females:  37% - 47%

Males:  40% - 54%

400

Normal total white blood cell count (WBC)

4,500 - 11,000/mm³

500

Normal platelet (thrombocyte) count.  

150,000 - 400,000/mm³

Blood

100

Formed elements found in blood

What are erythrocytes (RBCs), leukocytes (WBCs), & thrombocytes (platelets)

200

Substances found in plasma

What are proteins, water, salts, dissolved gases, bicarb, hormones, glucose, and waste products

300

Part of an RBC that carries oxygen to the cells

What is hemoglobin

400

Functions of plasma proteins

Maintain osmotic pressure (albumin)

Transport medications and lipids (globulins)

Act as antibodies (gamma globulins)

Help with clotting (fibrinogen, prothrombin)

500

Function of platelets (thrombocytes)

Clotting 

Terms

100

Destruction of RBCs 

What is hemolysis

200

Decreased number of WBCs

What is leukopenia

300

Condition characterized by a deficient # of healthy RBCs

Anemia

400

Excessive number of RBCs

What is polycythemia

500

Condition characterized by a low platelet count (<150,000/mm³)

What is thrombocytopenia