Blood Compositions

What is the primary function of RBCs (Erythrocytes)?

• Fight infection

• Carry oxygen via hemoglobin

• Help blood clotting

• Release histamine

Which component of centrifuged blood makes up 55% of the total volume?

• RBCs

• Plasma

• Buffy coat

• Platelets

What is the primary function of hemoglobin?

• Fight infection

• Bind oxygen

• Release histamine

• Mediate immune responses

Where does erythropoiesis occur?

• Liver

• Bone marrow

• Spleen

• Lymph nodes

Which type of anemia is caused by low iron levels?

• Sickle cell anemia

• Pernicious anemia

• Iron-deficiency anemia

• Hemolytic anemia

What percentage of centrifuged blood is made up of RBCs?

• 55%

• 45%

• Less than 1%

• 60%

What is the function of platelets?

• Transport oxygen

• Form clots to prevent bleeding

• Produce antibodies

• Activate plasminogen

What happens during platelet plug formation?

• Blood vessels constrict

• Platelets stick to damaged vessel

• Fibrin mesh forms a clot

• White blood cells move through vessel walls

draw the blood sample of a person having anemia

Draw a blood sample of a person having Leukemia.