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.
There are may causes for swollen lymph nodes, sometimes referred to as swollen glands (lymphadenopathy or lymphadenitis). In general, lymph nodes become swollen when they are active either due to an infection, inflammation, or cancer. Infections are the most common causes of swollen lymph nodes.