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55 Cards in this Set
- Front
- Back
- 3rd side (hint)
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erythropoiesis |
red blood cell production |
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hemoglobin |
protein that gives RBCs the ability to transport oxygen |
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what is erythropoietin? what does it do? |
hormone; stimulates bone marrow to produce RBCs |
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life span of erythrocytes? |
120 days |
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why do RBCs have a biconcave shape? 2 reasons! |
no nucleus allows more o2 carrying capacity |
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what is iron a component of? why is important? |
hemoglobin; vital to RBCs o2 carrying capacity |
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the role of megakaryocytes: |
essentially “burst” and the smaller portions are called thrombocytes (platelets) which help with blood clotting |
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hemostasis |
the process to stop/control bleeding |
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polycythemia |
too many erythrocytes in the blood |
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what can cause low o2 content in blood? |
lung disorders, cardiac disorders, and high altitudes |
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the state of decreased o2 carrying capacity: |
anemia |
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change in shape of erythrocytes |
sickle cell |
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number of erythrocytes per mm3 of blood: |
4-6 million |
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number of leukocytes per mm3 of blood |
4,000-11,000 |
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5 different white blood cells: |
neutrophils lymphocytes monocytes eosinophils basophils |
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what are the most abundant white blood cells? w/ percent. |
neutrophils 50-75% |
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what white blood cell has two different types? what are the two different types called? |
lymphocytes; T cells and B cells |
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what do T cells do? |
attack and engulf bacteria |
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what do B cells do? |
produce antibodies for immunity |
bookkeepers |
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how many lymphocytes are there? (percentage) |
25-45% |
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what do macrophages do? |
engulf the “leftover” cell debris |
pac-mans |
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percentage of macrophages: |
3-8% |
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what do eosinophils do? |
kill parasites/parasitic worms |
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percentage of eosinophils: |
2-4% |
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what do basophils do? |
release histamine which brings about an allergic reaction |
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percentage of basophils: |
1% |
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where do platelets/thrombocytes come from? |
megakaryocytes |
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how many platelets are there per mm3 of blood? |
250,000-500,000 |
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hemoglobin amount for males and females: |
M: 13-18 g/100ml F:12-16 g/100ml |
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identify |
neutrophil |
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identify |
basophil |
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identify |
eosinophil |
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identify |
monocyte |
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identify |
lymphocyte |
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identify the smaller cells (dots) |
platelets |
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what is it called when there is too many WBCs on smear? |
leukemia |
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what is this? what does it measure? |
microhematocrit; packed cell volume |
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what is the piece of equipment that spins and separates the blood contents? |
centrifuge |
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what is this? |
centrifuge |
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what is agglutination? |
blood clumping |
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what determines blood as positive or negative? |
Rh |
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what happens if the Rh well clumps? |
it is positive |
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what blood type is the universal receiver? |
AB |
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blood type A has what antibodies and antigens? |
B antibodies A antigens |
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blood type B has what antibodies and what antigens? |
Anti A antibodies B antigens |
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what antibodies and antigens does blood type AB have? |
no antibodies a and b antigens |
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what antibodies and antigens does blood type O have? |
B and A antibodies no antigens |
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what is the shriveling of a blood cell called? |
crenation |
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what happens when RBCs are placed in a hypotonic solution? |
water flood into the cell causing it to expand and burst |
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what happens to RBCs when places in a hypertonic solution? |
the water rushes out causing it to shrivel |
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solution with higher solute inside: |
hypotonic |
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when solutes are higher outside than inside: |
hypertonic |
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what are molecules always doing? |
moving? |
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movement of solutes from a high concentration to a low concentration |
diffusion |
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H2O crossing a semi-permeable membrane |
osmosis |
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