Amedical professional is doing an external examination to determine if lymph nodes

The correct answer is option D. neck, armpit, and groin.

Explanation:

Lymph nodes are a part of the lymphatic system which is a part of the immune system of the body. Swollen lymph nodes may signal malignancy or infection. There are various groups of lymph nodes, which are small, bean-like, soft nodules of tissue.

Lymph nodes present throughout the body. But there are clusters of lymph nodes in places like your neck, armpit, and groin area in the body. These are the best place to check if any individual having swollen lymph nodes or not.

Thus, the correct answer is option D. neck, armpit, and groin.