blood unit

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Last updated 6:39 PM on 3/8/23
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21 Terms

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lymphocytes
\-used in defense of body

\-2 types- B and T

\-produce antibodies

\-cell mediated immunity

\-nucleus are dark and large and take up most of cell

\-agranulocyte

\-found in lymph organ
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neutrophils
\-most active

\-in pus in wounds

\-phagocytes

\-engulf foreign material + fights bacterial infections

\-60% of WBCs

\-nucleus is multi lobed- has 3

\-granulocyte

\-release lysosomes
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eosinophils
\-rare

\-allergic response

\-pink to orange when stained

\-attacks parasites

\-2 lobed nucleus- looks like 2 bawlls put together w string

\-granulocytes
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basophils
\-inflammatory response- asthma

\-make heparin and histamine

\-has largest granules

\-stains deep blue/purple

\-granulocyte
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monocytes
\-active phagocytes

\-become macrophages inside tissues

\-has 1 nucleus

\-agranulocytes
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platelets
tiny fibrin threads

\-blood clotting

\-form mesh to clot blood cells

\-forms scabs when hardening

\-from bone marrow
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antigens
proteins on RBC
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A antigens
antigen on type A
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Anti B
antibodies in type A
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antibodies
\-a blood protein that counteracts a specific antigen
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plasma
\-transports soluble food mlcls, waste, hormones, anitbodies, dissolved gases and chemicals

\-liquid part of blood
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sickle cell anemia
homozygous recessive trait

\-heterozygous genotype provides resistance to malaria

causes misshaped RBC
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hemophilia
bleeders diseases

\-sex linked X trait

\-missing/low levels of blood clotting factors
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Rh factor
determines if you have +/-

\-if you have it you are +

\-problems in pregnancy= when fetus is Rh+ and Mom is Rh-, mothers immune system can attack fetus
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leukopenia
too few WBCs
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leukocytosis
too many WBCs caused by infection
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anemia
\-body doesnt have enough healthy RBCs

\-treatment= vitamin B12, folate, iron to help convert iron in hemoglobin
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coagulation
Clotting factors (proteins) your liver makes stick to platelets in your blood to form a blood clot (coagulate)

\-heparin and warfarin prevent it
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spleen
organ that removes damaged/old blood cells
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homeostasis
1) blood vessel spasm - serotonin=vasoconstrictor

2)platelet plug formation- forms fibrinogen

3)blood coagulation - inside cell - conversion of fibrinogen to fibrin, thrombin enzyme converts it
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type AB
has no antibodies

has 2 types of antigens

(blood type)