Summary NR 302 Exam 2 Review .pdf

1. Describe the function of lymph nodes and explain the technique approach when assessing lymph nodes. • To detect and eliminate foreign substances from the body. The vessels gather the clear, watery fluid (lymph) from the tissue spaces into the circulation. The nodes slowly filter the lymph and engulf pathogens, preventing harmful substances from entering the circulation. • Using a gentle circular motion of your finger pads, palpate the lymph nodes. Beginning with the preauricular lymph nodes in front of the ear, palpate the 10 groups of lymph nodes in a routine order. Many nodes are closely packed, so you must be systematic and thorough in your examination. Once you establish your sequence, do not vary or you may miss some small nodes. Use gentle pressure because strong pressure could push the nodes into the neck muscles. It is usually most efficient to palpate with both hands, comparing the two sides symmetrically. However, the submental gland under the tip of the chin is easier to explore with one hand. When you palpate with one hand, use your other hand to position the person's head. For the deep cervical chain, tip