BMS 300 EXAM 3 BLOOD AND ITS COMPONENTS TEST
QUESTIONS AND ANSWERS
What is the source of blood? ANSWER hematopoeitic stem cells that originate
in red bone marrow
What are the components of blood? ANSWER plasma, buffy coat and
hematocrit
What per cent of the blood is plasma? ANSWER 55%
What per cent of the blood is buffy coat? ANSWER less than 1%
What per cent of the blood is hematocrit? ANSWER 45%
What is plasma made up of? - ANSWER 90% H2O, 8% protein and 2% other
(least dense)
What is the buffy coat made up of? - ANSWER leukocytes (cells of immunity,
true cells) and platelets (cell fragments, not true cells)
What is hematocrit made up of? - ANSWER erythrocytes (red blood cell,
formed element, not true cell, doesn't have a nucleus)
leukocyte- ANSWER white blood cell that protects the body from invasion of
harmful substances, true cell
QUESTIONS AND ANSWERS
What is the source of blood? ANSWER hematopoeitic stem cells that originate
in red bone marrow
What are the components of blood? ANSWER plasma, buffy coat and
hematocrit
What per cent of the blood is plasma? ANSWER 55%
What per cent of the blood is buffy coat? ANSWER less than 1%
What per cent of the blood is hematocrit? ANSWER 45%
What is plasma made up of? - ANSWER 90% H2O, 8% protein and 2% other
(least dense)
What is the buffy coat made up of? - ANSWER leukocytes (cells of immunity,
true cells) and platelets (cell fragments, not true cells)
What is hematocrit made up of? - ANSWER erythrocytes (red blood cell,
formed element, not true cell, doesn't have a nucleus)
leukocyte- ANSWER white blood cell that protects the body from invasion of
harmful substances, true cell
