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Hy - Anatomy
Hy - Anatomy - Head and Neck - One-Liners
| Question | Answer |
|---|---|
| Vertebral level of hyoid bone | CV3 |
| Vertebral level of thyroid cartilage | CV4,5 |
| Vertebral level of cricoid cartilage | CV6 |
| Muscles that are innervated by CN XI | Trapezius, SCM |
| Structures that course between anterior and middle scalene | Brachial plexus, subclavian artery |
| Innervation of omohyoid, sternohyoid and sternothyroid | Ansa cervicalis |
| Innervation of digastric | Anterior belly = CNV, Posterior belly = CN VII |
| Innervation of carotid sinus and carotid body | CN IX, CN X |
| Major structures to pass through pharyngeal wall superior to superior constrictor | Auditory tube, levator veli Palatini |
| Nerves of pharyngeal plexus | CN IX, CN X, Sympathetics |
| Only muscle innervated by CN IX | Stylopharyngeus |
| Structures that pierce thyrohyoid membrane | Internal laryngeal nerve, superior laryngeal artery |
| Only muscle to abduct vocal cords | Posterior cricoarytenoid |
| Innervation of cricothyroid | External laryngeal nerve |
| Innervation of laryngeal muscles exclusive of cricothyroid | Recurrent laryngeal |
| Muscle that increases tension on vocal cords | Cricothyroid |
| Sensory nerve to larynx superior to vocal cords | Internal laryngeal |
| Sensory nerve to larynx inferior to vocal cords | Recurrent laryngeal |
| Site of aspirated lodged fishbone | Piriform recess |
| Afferent – efferent limbs of gag reflex | CN IX – CN X |
| Afferent – efferent limbs of cough reflex | CN X – CN X |
| Nerve injury that causes hoarseness following thyroid surgery | Recurrent laryngeal |
| Chief structures that traverse internal acoustic meatus | CN VII and VIII |
| Foramen where CN VII exits skull | Stylomastoid foramen |
| Major arterial supply to calvaria and supratentorial dura | Middle meningeal |
| Major cutaneous nerve of face | CN V |
| Major artery to internal structures of head | Maxillary |
| Spinal levels of sympathetic fibers to head | T1 – 2 |
| Autonomic ganglia for CN III | Ciliary |
| Sensory ganglia for CN VII | Geniculate |
| Autonomic ganglia for CN VII | PPG and submandibular |
| Autonomic ganglia for CN IX | Otic |
| Muscle attached to disc of TMJ | Lateral pterygoid |
| Muscle that retracts mandible | Temporalis |
| Major nerve to TMJ (pain) | Auriculotemporal |
| Specific nerves that elicit secretion from the parotid gland | Tympanic branch of CN IX and lesser petrosal |
| Branch of CN V that carries parasympathetics to parotid | Auriculotemporal |
| Structure that opens into superior meatus of nasal cavity | Posterior ethmoid sinus |
| Structures that open into middle meatus of nasal cavity | Frontal, maxillary, anterior and middle ethmoid |
| Structures that opens into inferior meatus of nasal cavity | Nasolacrimal duct |
| Major artery to nasal cavity | Sphenopalatine |
| Most common site of nose bleed | Kiesselbach’s plexus |
| Innervation of levator veli palatini | CN X |
| Muscle that opens auditory tube | Tensor veli palatini |
| Innervation of tensor veli palatini | CN V3 |
| Nerve that provides taste to anterior 2/3 of tongue | Chorda tympani |
| Site of cell bodies for nerve that carries taste to anterior 2/3 of tongue | Geniculate ganglion |
| Specific nerve that elicits secretion from submandibular gland | Chorda tympani |
| Branch of CN V that carries parasympathetic to submandibular | Lingual |
| Nerve injured when tonsilar pillars sag and uvula deviates | CN X |
| Nerve potentially injured with tonsillectomy | CN IX |
| Muscle that protrudes tongue | Genioglossus |
| Nerve injured when deviation of protruded tongue | Ipsilateral CN XII |
| Specific nerve that stimulates tear production | Greater petrosal CN VII |
| Sensory nerve to cornea | CN V1 (nasociliary) |
| Muscle that elevates and abducts eye | Inferior oblique |
| Muscle that depresses and abducts eye | Superior oblique |
| Site of preganglionic nerve cells that elicits dilation of pupil | Lateral horn, T1 - 2 |
| Site of postganglionic nerve cells that elicits dilation of pupil | Superior cervical ganglion |
| Site of preganglionic nerve cells that elicits constriction of pupil | Edinger-Westphal |
| Site of postganglionic nerve cells that elicits constriction of pupil | Ciliary ganglion |
| Innervation of external surface of tympanic membrane | Auriculotemporal, CN X |
| Innervation of internal surface of tympanic membrane | CN IX |