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20 Cards in this Set
- Front
- Back
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The spleen arises from which embryologic tissue?
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Mesoderm
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The spleen begins to develop during which week of gestation?
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5th
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Which function of the spleen ends shortly after birth?
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Hematopoiesis
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Normal measurement of the spleen superior to inferior length
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12-13cm
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What is a decrease in the number of platelets withing circulation?
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Thrombycytopenia
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What type of organ is the spleen?
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Intraperitoneal
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Cells within the spleen that perform the primary lymphocytic function of the spleen
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Malpighian Corpuscles
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Phagocytosis of degenerating RBCs occurs within which portion of the spleen?
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Red Pulp
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The spleen lies ______ to the tail of the pancreas
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Lateral
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The left kidney lies _____ to the spleen
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Posterior
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The most common splenic pigment is:
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hemosiderin
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The malpighian corpuscles are found within which portion of the spleen?
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White pulp
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How does the spleen appear sonographically?
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Homogeneous with an echogenicity similar to the liver
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What body system is the spleen part of?
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Reticuloendothelial system
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The reticuloendothelial system is primarily responsible for:
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Phagocytosis of pathogens and damaged or worn RBCs
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Lymphocytes are able to differentiate themselves into:
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Plasma and memory cells
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What do plasma cells do?
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Identify and produce antibodies to destroy invading microorganisms
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What do memory cells do?
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"remember" microorganisms that have previously attacked the body and enable antibodies to be activated more quickly
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The avg. adult splenic volume is:
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350mL
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Most common reason to image the spleen:
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Splenomegaly
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