11 Questions
Which nerve supplies the motor function to the muscles of the scalp?
Facial nerve
Which nerve is responsible for the sensory innervation of the anterior part of the scalp?
trigeminal
Which nerve supplies a large part of the posterior scalp as far superiorly as the vertex?
Greater occipital nerve
Which nerve arises from the anterior rami of the C2 and C3 spinal nerves and innervates a small area of the scalp just posterior to the ear?
Great auricular nerve
Which nerve supplies an area of the scalp posterior and superior to the ear?
Auriculotemporal nerve
Which cranial nerve innervates the anterior part of the scalp up to the vertex?
Trigeminal nerve
What is the arterial supply of the anterior and superior aspects of the scalp?
Supratrochlear artery and supraorbital artery
Which vein drains the area of the scalp posterior to the ear?
Posterior auricular vein
Why does scalp bleeding tend to be predominantly arterial?
Connective tissue prevents vessel retraction
Which artery supplies almost the entire lateral aspect of the scalp?
Superficial temporal artery
Where do the supratrochlear and supraorbital veins drain the anterior part of the scalp?
Ophthalmic veins
Test your knowledge on the nerve supply of the scalp, covering motor and sensory innervation by facial nerve, trigeminal nerve, and cervical spinal nerves. Explore the branches and distribution of facial nerve and sensory innervation patterns on different scalp regions.
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