1.You noticethat your patient's submandibular lymph nodes are enlarged. You would look forpotential infection sites in the
b)hard palate and upper lip.
c)hard palate, upper lip and upper central incisor.
d)hard palate, upper lip, upper central incisor and lower first molar.
2.Theregional lymphatic drainage of the left side of the tip of the tongue is to the
a) left submental lymph node.
b) left and rightsubmental lymph nodes.
c) left submandibular lymph node.
d) left and right submandibular lymph nodes.
The skin of the head and neck drains
The scalp drains into the occipital, mastoidand parotidnodes.
Lower eye lid and anterior cheekdrains into buccalLNs.
The cheeks drain into the parotid, buccaland submandibular nodes.
The upper lips and sides of the lower lips drain into thesubmandibularnodes.
The middle third of the lower lip drains into the submental nodes
The skin of the neck drainsinto the cervicalnodes.
The drainage of the oral structures
The gingivae drain into the submandibular, submental and upper deep cervicallymph nodes.
The palate lymphvessels may pass to submandibular orsuperior deep cervical nodes (level II). Retropharyngeal nodes are very rarely involved.
Teeth drain into the submandibular and deepcervical lymph nodes.
Anterior part of mouth floor drain into submental and upper deep cervical.
Posterior part of mouth floor into submandibular and upper deep cervical.