Chapter 19 Cardiovascular system: blood vessels – Flashcards
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question
Blood flow through a capillary bed is regulated by precapillary sphincters.
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True
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Large veins, medium veins and venules have valves to prevent the backflow of blood.
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False
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Blood flow is pulsatile in arteries and veins but it is steady in capillaries.
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False
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Generalized vasomotion can raise or lower blood pressure throughout the body.
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True
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Increased capability filtration, reduced reabsorbtion, or obstruction of lymphatic drainage can lead to edema.
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True
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Most tissue fluid is reabsorbed by the lymphatic system. False
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False
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Decompensated shock is normally correct by the body's homeostatic mechanisms.
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False
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The pulmonary circuit is the only route in which arteries carry less oxygen than veins.
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True
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Lung tissue receives nourishment and waste removal from the pulmonary circuit.
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False
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The greatest outflows from the dural venous sinuses is the via internal jugular vein.
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True
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The three primary branches of the celiac trunk are the common hepatic, left gastric, and splenic veins.
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False
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Blood filtered through the hepatic sinusoids exits the liver via the hepatic veins.
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True
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Arterial flow to the lower limb comes from the external iliac artery.
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True
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The brachial vein is the most common site of blood pressure movement with the sphygmomanometer.
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False
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The radial artery is lateral to the ulnar artery.
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True
