Immunology Quiz #2: Lymphatic system anatomy and drainage

1. A 25-year-old male presents with a painful, swollen right arm after sustaining a laceration while hiking. On physical examination, the lymph nodes in the axillary region are tender and enlarged. Which of the following best describes the primary lymph nodes involved in draining the site of injury? 

Question 1 of 5

2. A 55-year-old female undergoes a radical mastectomy for breast cancer. During the procedure, several lymph nodes are removed for biopsy. Postoperatively, she develops swelling of the arm on the side of the surgery. This swelling is most likely due to disruption of which of the following? 

Question 2 of 5

3. A patient presents with an infection on the medial aspect of the foot. To which of the following lymph nodes is this area primarily drained? 

Question 3 of 5

4. During a pelvic surgery, a surgeon notes that the lymph nodes along the external iliac artery are enlarged. These lymph nodes primarily receive lymphatic drainage from which of the following areas? 

Question 4 of 5

5. A 45-year-old man presents with a swollen left leg. Further examination reveals a mass pressing against the thoracic duct. Which of the following symptoms is most likely associated with this finding? 

Question 5 of 5


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