Blood Flashcards
Normal blood volume of an adult
4.5-5.0 L
What is the function of blood?
Transports nutrients and oxygen to the cells and returns waste products
Plasma
Liquid part of blood in which cells and platelets are suspended
What is plasma made of?
Consists of water, electrolytes, and proteins.
Hemoglobin
A protein that gives blood it’s red color and allows it to bind with oxygen.
Anemia
When the number of red blood cells is too low. The blood carries less oxygen resulting in fatigue and weakness
Polycythemia
When the number of red blood cells is too high. The blood is too thick which, increases the risk of a stroke or heart attack.
Red blood cells
Erythrocytes. Make up about 40% of blood volume.
Blood platelets
Thrombocytes. Assists in blood clotting.
Thrombocytopenia
A low number of platelets. Increases the risk for bruising and abnormal bleeding.
Thrombocythemia
A high number of platelets. Increases the risk of thrombosis, which may result in stroke or heart attack.
White blood cells
Leukocytes. Protect against infection.
Leukopenia
A low number of white blood cells. Increases the risk for infection
Leukocytosis
A high number of white blood cells. Can indicate infection or leukemia.
What are the five types of white blood cells?
neutrophils, lymphocytes, monocytes, eosinophils, basophils.
