Answer to Question 1
superior articular process
Rationale: The eye represents the pedicle. The nose represents the transverse process. The neck represents the pars interarticularis. The ear represents the superior articular process. The front lower leg represents the inferior articular process.
Answer to Question 2
vertex
Rationale: In the submentovertex projection, the beam enters below the mentum and exits the vertex of the skull.