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17 Cards in this Set
- Front
- Back
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cardiac output
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the blood volume ejected per minute by the ventricle.
HR X SV= CO 75 X 70 = 5250 ML/MIN |
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characheristics of blood
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sticky , metallic taste. scarlet(oxygen rich) - dull red (oxygen poor), ph 7.35-7.45, @ 100.4. 8% of body weight. 5-6 liters in males(heavier).
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walls of heart
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epicardium, myocardium, endocardium
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myocardium
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thick bundles of cardiac muscle twisted into ringlike arrangements. contracts
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endocardium
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thin sheet of endothelium lines heart chambers.
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pericardium
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visceral and parietal pericardium. hugs external surface of the heart.
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purukinje fibers are found where?
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within the muscle of the centricle walls.
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What is measurement of solid to liquid components to blood called?
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The liquid part, called plasma, is made of water, salts and protein. Over half of your blood is plasma. The solid part of your blood contains red blood cells (erythrocytes), white blood cells (leukocytes) and platelets (thrombocytes).
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what is universal donar blood type?
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O
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what is universal reciepient blood type?
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AB
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what happens if you give the wrong blood type to a person?
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may have a severe hemolytic reaction. This can destroy many of his red cells and quickly kill him.
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Life span of erythrocytes (rbc's)
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produced through a process named erythropoiesis, developing from committed stem cells to mature erythrocytes in about 7 days. When matured, these cells live in blood circulation for about 100 to 120 days. At the end of their lifespan, they become senescent, and are removed from circulation.
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whole blood contains ____ homoglobin per ml
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??
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purpose of wbc's/ leukocytes
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defense and immunity
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how are blood groups classified?
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AB, B, A, O
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what is on the RBC membrane?
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composed of 3 layers: the glycocalyx on the exterior, which is rich in carbohydrates; the lipid bilayer which contains many transmembrane proteins, besides its lipidic main constituents; and the membrane skeleton, a structural network of proteins located on the inner surface of the lipid bilayer. In human erythrocytes
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what is the heart auricle?
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the auricle is a term used to describe one of two sections of the two atria that are part of the heart.right and left auricles. right and left auricles are used to describe the entire left and right atrium. the term auricle refers to the small, cone-shaped, muscular pouch that projects from the atrium. Both auricles help their respective atria hold more blood. In this respect, they essentially serve as reservoirs.
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