Nerves/Misc
Danger Zones/Undermining
Nerve Blocks
Blood supply
Facial Anatomy
100
Name 5 branches of facial nerve from superior to inferior.
What is the temporal, zygomatic, buccal, marginal mandibular, cervical?
100
This is the undermining plane for the scalp.
What is the sub-galea?
100
Nerve block at this foramen causes numbness at forehead and frontal scalp.
What is supraorbital foramen?
100
Major artery that supplies the central upper portion of the face. -internal carotid -external carotid
What is the internal carotid a.?
100
Other name for relaxed skin tension lines.
What is Langer's lines?
200
Majority of post. ear is innervated by this nerve.
What is greater auricular n.?
200
Name of nerve in Erb's point not included here. 1. spinal accessory n. 2. lesser occipital n. 3. greater auricular n. 4. supraclavicular n.
What is the transverse cervical n.
200
Intraoral nerve block for infraorbital n. can be done b/n these two teeth and angling the needle towards the midpupillary line.
What are the first and second premolars?
200
Superior and inferior labial arteries are branches of this artery. Commonly transected during surgery around the mouth.
What is the facial a?
200
All major motor and sensory trunks are (above or below) the SMAS.
What is below?
300
Branch of the trigeminal that gives off the supraorbital and supratrochlear.
What is V1 ophthalmic nerve?
300
Damage to superficial temporal branch of facial n. caused brow ptosis and this finding.
What is the inability to elevate forehead?
300
Median n. is b/n the palmaris longus tendon and this tendon.
What is flexor carpi radialis tendon?
300
Dorsal nasal a. is a branch of this artery. internal carotid or external carotid
What is internal carotid a,?
300
Muscles of mastication are innervated by this nerve. -V3 -Facial n.
What is mandibular branch of trigeminal V3?
400
The nasociliary branch of V1 includes infratrochlear and this n.
What is the anterior ethmoidal n.?
400
Damage to marginal mandibular n. causes drooling and this finding.
What is the crrooked smile?
400
Innervates the skin b/n the first and second toes.
What is deep peroneal n.?
400
Steroid injections periorbitally can embolize to this artery and cause blindness.
What is retinal a.?
400
Arch that the muscles of mastication are derived from.
What is first branchial arch?
500
Innervates the conchal bowl. Name all 3.
What are CN VII, IX, and X?
500
This is the underming plane for eyebrow.
What is subcutis, deep to hair follicles?
500
Injection volume should be less than this amount for digital nerve blocks.
What is 4mL?
500
Branch of facial a. that anastomoses with the ophthalmic artery branches. Runs along medial cheek near the nose.
What is the angular a.?
500
The concha is composed of the cymba and this area.
What is the inferior cavum?
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