What is the lower limit of the retropharyngeal space?
ABifurcation of trachea
B4th esophageal constriction
CC7
DNone of the options
Which muscle divides the neck into anterior and posterior triangles?
APlatysma
BDigastric
CTrapezius
DSternocleidomastoid
Which of the following carcinomas commonly presents with neck nodes?
ACricoid
BGlottis
CEpiglottis
DAnterior commissure
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