Random Anatomy Flashcards
What are the 2 terminal branches of the popliteal artery?
Posterior & Anterior tibial
What is the name given to the deep fascia of the leg?
Fascia lata
Into which vein does the cephalic vein drain?
Axillary
Which is the largest muscle of the gluteal region?
Gluteus maximus
What are the spinal roots of the sciatic nerve?
L4-S3
What are the 2 terminal branches of the sciatic nerve?
Tibial & Common fibular
What are the spinal nerve roots of the brachial plexus?
C5-T1
What structure forms the superior border of the femoral triangle?
Inguinal ligament
Into which vein does the great saphenous vein drain?
Femoral
What nerve is likely to be damaged in a shoulder anterior dislocation?
Axillary
What is the motor innervation of the lateral compartment of the leg?
Superficial fibular
What is the nerve supply of the posterior compartment of the thigh?
Tibial division of sciatic
Patient presents with wrist drop, what nerve is most likely to have been damaged?
Radial
What are the 3 ossicles in the middle ear?
Malleus, Incus & Stapes
How many turns are in the cochlea?
2.5 turns
What is the aditus?
doorway from middle air into mastoid air cells
What is the function & nerve supply of the stapedius?
Stapedius reduces stapes movement to protect internal ear from excessive noisee. Facial nerve supplies.
What is the function of the chords tympani nerve?
Supplies special sensory to anterior 2/3rd of tongue & parasympathetic supply to submandibular & sublingual salivary glands
What is the nasal septum formed from?
Perpendicular plate of ethmoid bone & vomer posteriorly, hyaline cartilage anteriorly
What is the area called on the nasal septum where epistaxis most commonly occurs?
Kiesselbach/Little’s area
What are the 2 branches of the external carotid that supply the face?
Facial & maxillary
What are the contents of the carotid sheath?
Carotid artery, internal jugular vein, vagus nerve & deep cervical lymph nodes
If the right CN XII was damaged, what direction would the tongue point?
Right
If right vagus nerve damaged, what direction would the uvula move on examination?
Left
What membrane is punctured during emergency airway access?
Cricothyroid membrane
What passes through the infraorbital foramen?
Branches of V2
What passes through the supraorbital foramen(notch)?
V1 - entry of ophthalmic divison of trigeminal
CN III nerve palsy would present as what?
Eye would be down & out
CN IV neve palsy would present as what?
Eye would be up & out
CN VI nerve palsy would present as what?
Eye facing inwards
What provides general sensory innervation to the anterior 2/3rd of the tongue?
V3
What provides innervation to the parotid gland?
CN IX
What provides innervation to the submandibular & sublingual salivary glands?
Chorda tympani branch of the Facial Nerve
What provides all innervation to the majority of the intrinsic muscles of the tongue?
CN XII…. Hypoglossal
What is the muscle that is the exception to the innervation of instrinsic tongue muscles?
Palatoglossus
What innervates the muscles of the pharynx? Is it all the same?
X Innervates the majority
Whats the odd one out with the muscles of the pharynx?
Stylopharngeus, innervated by CN IX
What encases the thyroid gland?
Pre-tracheal fascia
What drains into the left renal vein?
Left Gonadal veins, left adrenal vein
What drains into the right renal vein?
TRICK QUESTION FOOL…….. NOTHING
What 3 major arteries anastomose to give littles area?
Ophthalmic, maxillary, facial
