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3 Take Test: Exam Four: Pa X + v assessment/take/launchjsp/course assessment id 143378 1& course id-14213 18ccontent jd- 2082 oolcraft.edu Question Completion Status: QUESTION 21 the thoracic duct and right lymphatic duct. the lumbar duct and left lymphatic duct. O the intestinal duct and left intercostal duct. The two collecting ducts that drain the lymphatic trunks are the bronchomedastinal duct and subclavian duct. O none of the above. QUESTION 22 Which of the following helps return blood to the heart? O Positive intrathoracic pressure o valves in the arteries O Contracting skeletal muscles O Capillary action O Ventricular contraction QUESTION 23 The correct sequence of parts that function to carry cardiac impulses is 0 AV node, SA node, purkinje fibers. AV bundle. O AV node, AV bundle. Purkinje fibers, SA node. O SA node, Purkinje fibers, AV node, AV bundle. O SA node, AV node, AV bundle, Purkinje fibers Purkinje fibers, SA node, AV node, AV bundle. QUESTION 24 Because ret inward pressure in nto the capillaries than moves out. O more fluid cilary ends is less than net the lymphat O the pressure in the O more fluid leaves the capillaries than returns. net outwar d pressure at the arteriolar ends of capillaries ic vessels push fluid into the venules increa more fund flows into the venules. Save ond Submit to sove and submit. Click Save All Answers to sove all onswers

Explanation / Answer

Lymphatic trunk drain by right lymphatic duct and thoracic duct.

Right lymphatic duct drain to mostly right side of body

22muscle pump mechanism that help in squeeze in vein that causes return of blood to heart

23.transmission of impulse -sa node -av node -av bundle -putkinje system

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