Lymph nodes that are examined by palpation are?
1) popliteal, inguinal, submandibular, and prescapular
2) popliteal, axillary, inguinal, submandibular, and prescapular
3) popliteal, axillary, inguinal, suboral, and prescapular
4) popsicliar, axillary, femoral, suboral, and postscapular