Head and Neck

Question 1

Sensory-only cranial nerve (3)

Answer 1

Olfactory (I) (nasal cavity)
Optic (II) (orbit cavities)
Vestibulocochlear (VIII)

Question 2

What is unique about C1 and C2 vertebrate?

Answer 2

C1: Atlas. Articulates with skull base + C2. NO VERTEBRAL BODY. Has transverse foramen though (for vertebral artery)
C2: Articulates with C1 + C3. Dens (spinal component) forms pivot for atlanto-axial joint rotation
These 2 vertebrate allow for rotation + flexion/ extension

Question 3

Another name for thyroid cartilage

Answer 3

Adam’s apple

Question 4

Where does common carotid artery bifurcate?

Answer 4

C4