Draw Conclusion. What conclusions did Alfred Wegener draw about Pangaea? He concluded that it split apart and that the continents âdriftedâ to their present positions. QUICK CHECK
In most cases, only one area of nodes swells at a time. When more than one area of lymph nodes is swollen itâs called generalized lymphadenopathy. Some infections (such as strep throat and chicken pox), certain medicines, immune system diseases, and cancers like lymphoma and leukemia can cause this kind of swelling.emoval of one lymph node is called a biopsy. When many lymph nodes are removed, itâs called lymph node sampling or lymph node dissection. When cancer has spread to lymph nodes, thereâs a higher risk that the cancer might come back after surgery.
Lymph nodes from your neck down to your groin are key to helping your body fight off illnesses. Swollen lymph nodes tell you something is wrong. So what could be the cause of swollen lymph nodes in the neck? The most common cause is an infection, especially a viral infection, such as a cold, says the Mayo Clinic in Rochester, Minn. The clinic also provides the following causes. Medical conditions such as lupus, rheumatoid arthritis and cancer can cause swollen lymph nodes as well.