Blood Questions

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- biconcave discs, which main function is to transport oxygen and carbon dioxide to the body tissues.
o WBC (leukocytes) - main cells of the immune system; involves in defending the body against both foreign materials and infectious disease.
. Granulocytes:
. Neutrophils - most abundant type of wbc; act as the 'first responders' during acute phase of inflammation.
. Eosinophils - combats parasitic infections.
. Basophils - releases histamine, which promotes inflammation and heparin that prevents clot formation.
. Agranulocytes:
. Lymphocyte - responsible for destroying microorganisms; contributes to allergic reactions.
. Monocyte - responsible for destroying microorganisms; becomes a macrophage when it leaves the blood, which engulfs bacteria, dead cells, cell fragments, and other debris.
o Platelets (thrombocytes) - cell fragments that releases chemicals for blood clotting.
- Normal pH of blood ranges from 7.36-7.44.
- An average ...

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Stem cells: All formed elements derived from single population
- Proerythroblasts: Develop into red blood cells
- Myeloblasts: Develop into basophils, neutrophils, eosinophils
- Lymphoblasts: Develop into lymphocytes
- Monoblasts: Develop into monocytes
- Megakaryoblasts: Develop into platelets

6. What is the composition of plasma? What is the major component of plasma?

Composition of plasma:
- Water
- Proteins
o Albumin
o Globulins
o Fibrinogen
- Ions
o Sodium, potassium, calcium, magnesium, chloride, iron, phosphate, hydrogen, hydroxide, bicarbonate.
- Nutrients
o Glucose, amino acids, triacylglycerol, cholesterol
- ...

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