Neck anatomy

Question 1

medial to lateral suprahyoid muscles

Answer 1

mylohyoid, anterior belly of digastric, stylohyoid, posterior belly of digastric.
medial and deep is geniohyoid

Question 2

posterior belly of digastric innervation

Answer 2

CN VII (2nd arch)

Question 3

stylohyoid innervation

Answer 3

CN VII (2nd arch)

Question 4

anterior belly of digastric innervation

Answer 4

CN V3 (1st arch)

Question 5

mylohyoid innervation

Answer 5

CN V3 (1st arch)

Question 6

geniohyoid innervation

Answer 6

C1 via hypoglossal nerve

Question 7

infrahyoid muscles medial to lateral

Answer 7

All deep: thyrohyoid (down to thyroid) /sternothyroid (down from thyroid) –> omohyoid superior/inferior
Anterior: sternohyoid

Question 8

innervation of infrahyoid muscles with exception

Answer 8

ansa cervacalis (C1-C3)
thyrohyoid C1 via hypoglossal nerve

Question 9

what runs within carotid sheath

Answer 9

common carotid/internal carotid after branching
internal jugular
vagus nerve

Question 10

where is the ansa cervacalis in neck

Answer 10

superior to carotid sheath

Question 11

where is the phrenic nerve in neck

Answer 11

on top of anterior scalene muscle