1.You notice
that your patient's submandibular lymph nodes are enlarged. You would look for
potential infection sites in the
a)
hard palate.
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.The
regional lymphatic drainage of the left side of the tip of the tongue is to the
a) left submental lymph node.
b) left and right
submental 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, mastoid
and parotid
nodes.
Lower eye lid and anterior cheek
drains into buccal
LNs.
The cheeks drain into the parotid, buccal
and submandibular nodes.
The upper lips and sides of the lower lips drain into the
submandibular
nodes.
The middle third of the lower lip drains into the submental nodes
The skin of the neck drains
into the cervical
nodes.
The drainage of the oral structures
The gingivae drain into the submandibular, submental and upper deep cervical
lymph nodes.
The palate lymph
vessels may pass to submandibular or
superior deep cervical nodes (level II). Retropharyngeal nodes are very rarely involved.
Teeth drain into the submandibular and deep
cervical 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.
