BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS
LYMPHATIC SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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If the thoracic lymphatic duct became blocked, this effect would be evident:
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Swelling of the left arm
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Swelling of the right leg
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Swelling of left leg
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All of These
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Explanation:
Detailed explanation-1: -A blockage of the thoracic duct would impair the drainage of lymph from inferior to the diaphragm and from the left side of the head and thorax, retarding the return of lymph to the venous blood and promoting the accumulation of fluid in the limbs.
Detailed explanation-2: -The thoracic duct drains lymph from the right and left descending thoracic lymph trunks, originating from the lower 6 intercostal spaces (6 to 11). The duct also receives lymph from intercostal spaces 1 to 5 via the upper intercostal lymph trunks. Additional tributaries include the: mediastinal lymph trunks.
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