Blood And Blood Cells

Question 1

Blood contents

Answer 1

Plasma - 90 %H2O, 8% - protein (Albumin, Antibody, Fibrinogen), 2 % hormones , electrolytes, nutrients, WBC and platelets. RBC

Question 2

Hematocrit

Answer 2

Volume of RBC in blood. High - Polycythemia, Low - Anemia

Question 3

Red blood cells

Answer 3

RBCs have hemoglobin -> has affinity to o2-> can associate o2 and dissociate too.

Question 4

Blood types

Answer 4

AB -> AB, A, B, O, Universal receiver - A-> A, O, B-> B,O, O->O, universal donor

Question 5

Blood cell lineage

Answer 5

Pluripotent Hematopoietic stem cells -> differentiate into various blood cells

Question 6

Life and times of RBCs and platelets

Answer 6

RBC - 120 day, RBC gets chewed up by Monocyte in spleen. Platelets gets damaged by Monocytes too.
Triggers for Erythropoietin production (kidney) - low o2 in body
Triggers for Thrombopoietin production - less platelets