Module 2 - Blood Flashcards
(53 cards)
What are the 3 major functions of blood?
Carries oxygen, nutrients, waste, and hormones
Protects against pathogens and infections
Maintains body temperature and pH
What is blood? What is it made of? What kind of solution?
a special connective tissue made up of red blood cells, white blood cells, and platelets in a liquid solution of ions and other molecules
After blood is spun in a centrifuge, which colored layer sinks to the BOTTOM of a test tube?
Red Color layer, RBC, Erythrocytes
After blood is spun in a centrifuge, which colored layer sinks to the TOP of a test tube?
Plasma
After blood is spun in a centrifuge, which colored layer sinks to the CENTER of a test tube? (2)
Buffy Coat, WBC, Leukocytes, and platelets
What are the molecules that compose plasma? (5)
Water, ions, hormones, gases, proteins
also: electrolytes, nutrients and wastes
In what layers does blood separate after being spun in a centrifuge? From top to bottom.
Plasma
Buffy Coat: Leukocytes & Platelets
Erythrocytes
What percent of Plasma, Buffy Coat, and Erythrocytes is blood composed of?
55% Plasma
<1% Buffy Coat
45% Erythrocytes
What are red blood cells called?
Erythrocytes
What are white blood cells called?
Leukocytes
What are the three plasma proteins?
Albumins, Globulins, Clotting Proteins
What does the plasma protein Albumins do?
maintains water balance
What does the plasma protein Clotting Proteins do?
a little clump that forms in the blood cells to stop bleeding
Name three of the Plasma Protein: Globulin.
Alpha - liver function
Beta - transport
Gamma - defense
How many red blood cells in a drop of blood?
5 million
What is the function of Erythrocytes (RBC)?
transport oxygen and carbon dioxide
What is the protein that transports oxygen in red blood cells called?
Hemoglobin
How long do RBC live?
120 Days
What is Hematocrit?
the percentage of the blood that consists of RBC
Where does blood (blood cells & platelets) originate from?
Stem Cells
T/F: Stem cells produce all of the types of blood cells
TRUE
What hormone stimulates stem cells in bone marrow and causes increase in RBC production? HINT: EPO
Erythropoietin
What color are leukocytes, red or white?
White
Which cells in the blood defend the body?
White Blood Cells, WBC, Leukocytes