Blood

Question 1

Functions of blood

Answer 1

Transport, protection, regulation

Question 2

Composition of blood

Answer 2

Plasma, blood cells and platelets

Question 3

Hematocrit

Answer 3

Percentage volume of RBCs in blood

Question 4

Plasma

Answer 4

Pale yellow, straw color

Question 5

Buffy coat

Answer 5

WBCs and platelets, it is narrow and has a cream color

Question 6

Coagulation

Answer 6

Process where blood changes from a liquid to a gel to form a blood clot

Question 7

Erythrocytes

Answer 7

Disc-shaped cells that pick up oxygen and carbon dioxide

Question 8

Characteristics of erythrocytes

Answer 8

No nucleus or organelles, has a diameter of 6-8 micrometers, live for 120 days

Question 9

Membrane of erythrocytes

Answer 9

Has glycoproteins and glycolipids that determine blood type

Has spectrin and actin which gives resilience and durability allowing them to stretch and fold

Question 10

Hemoglobin

Answer 10

A globular protein made up of 4 subunits and has a fe 2+ that binds to oxygen

Question 11

Haemolysis

Answer 11

A rupture of RBCs and release of hemoglobin that occurs in the spleen then the empty membrane is digested by macrophages

Question 12

Haematopoiesis

Answer 12

Production of formed elements by haemopoietic tissues

Question 13

Haemocytoblast

Answer 13

The primordial stem cell

Question 14

Erythropoesis

Answer 14

Production of erythrocytes
Haemocytoblast to proerythroblast to polychromatic erythoblast to reticulocytes to erythrocytes