Complete Solutions
What are the 3 cellular components of the blood?
erythrocytes, leukocytes, platelets
What is the liquid part of blood that contains electrolytes,
enzymes, hormones, vitamins, nutrients, and urea (55% of whole
blood)?
plasma
What two components make up plasma?
water (90%) and proteins (7%)
What 3 components make up proteins in plasma?
Albumin - 54%*
Globulins - 38%*
Fibrinogen - 7%*
What is the term for after blood clots containing no fibrinogen?
serum
What is 45% of whole blood; involved in carrying oxygen?
Erythrocytes = RBCs
Erythrocytes are the most abundant cells of the blood. What are
they dependent on and main function?
,dependent on erythropoietin
Tissue Oxygenation
How long do erythrocytes live? (RBC)
120 days
What is involved in the immune system; also known as WBCs?
leukocytes
Leukocytes are less abundant than RBCs. main function?
remove dead or injured cells
Defend against infection
How long do leukocytes live? (WBC)
4-8 hours
What is involved in blood clotting - thrombocytes?
platelets
Platelets regulate the control of bleeding. What is their main
function?
blood coagulation
How long do platelets circulate?
7-10 days
What are the components of the Complete Blood Count (CBC)?
,RBC*
WBC+*
Platelets*
Hemoglobin*
Hematocrit*
RBC*
3.6- 5.4 x 10^6
Too many RBCs is known as
polycythemia*
Too few RBCs is known as
anemia*
WBC*
Differential (proportion of WBC types)
4,400 - 11,300
Too many WBCs is known as
leukocytosis*
Too few WBCs is known as
leukopenia*
Platelets*
150,000 - 400,000
, Too many platelets is known as
thrombocytosis*
Too few platelets is known as
thrombocytopenia*
Hemoglobin*
iron-binding capacity of RBCs
Oxygen carrier
12.0-16.5 g/dl
Hematocrit*
percentage of total blood volume made of RBCs
Equals 3 x Hgb
37-50%
Name the 5 types of leukocytes*
Granulocytes:
1. Neutrophil
2. Eosinophils
3. Basophils
Agranulocytes:
4. Monocytes/macrophages