Head and Neck Anatomy

Question 1

What is the first cranial nerve to be impacted when there is an increase in intracranial pressure

Answer 1

Abducens Nerve

Question 2

What are the nerve roots for the deep peroneal (fibular) nerve

Answer 2

L4-S1

Question 3

Which gland is responsible for secreting serous fluid to lubricate the eye

Answer 3

Lacrimal Gland

Question 4

Describe the lacrimal apparatus

Answer 4

Tears drain into the lacrimal lake, which drain into the lacrimal sac via canals which then into the nasolacrimal duct which empty into the inferior meatus of the nose

Question 5

Describe the blood supply to the lacrimal gland

Answer 5

Lacrimal artery which is a branch of the ophthalmic artery from the internal carotid artery. Venous drainage into the superior ophthalmic vein which drains into the cavernous sinus

Question 6

What is the lymphatic drainage of the lacrimal gland

Answer 6

Drains into the superficial parotid lymph glands which drain into the superior deep cervical nodes