Multiple Choice
Which of the following is NOT part of a lymph node?
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20. The Lymphatic System
Introduction to the Lymphatic System
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Lymph from the head and neck drains into the ______ trunks.
A
jugular
B
intestinal
C
bronchomediastinal
D
subclavian
Verified step by step guidance1
Step 1: Understand the role of lymphatic trunks in the lymphatic system. Lymphatic trunks are large vessels that collect lymph from smaller lymphatic vessels and drain it into larger ducts, which eventually return the lymph to the bloodstream.
Step 2: Recall the anatomy of the lymphatic system in the head and neck region. Lymph from these areas is collected by specific lymph nodes and then transported to the appropriate lymphatic trunks.
Step 3: Identify the lymphatic trunk associated with the head and neck. The jugular trunks are responsible for draining lymph from the head and neck region.
Step 4: Compare the options provided (jugular, intestinal, bronchomediastinal, subclavian) and eliminate incorrect choices based on their anatomical roles. For example, the intestinal trunk drains lymph from the intestines, and the bronchomediastinal trunk drains lymph from the thoracic cavity.
Step 5: Confirm that the jugular trunks are the correct answer, as they specifically drain lymph from the head and neck region.
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