Prep U Answers Flashcards
The tendon of which muscle loops around the pterygoid hamulus?
Tensor veli palatini
What are the two branches of the costocervical trunk off the subclavian artery?
Deep cervical artery
Superior intercostal artery
In an emergency tracheotomy what structure is incised to gain access to the airway?
Cricothyroid membrane
What two veins untie to form the straight sinus?
Inferior Sagittal sinus
Great cerebral vein if Galen
What arch do the muscles of mastication develop from?
Arch 1
Where is the cricopharyngeus muscle located?
Within the inferior constrictor
What structure is used for an emergency tracheotomy?
Cricothyroid membrane (connects thyroid and cricoid cartilages)
What other structure is located at the level if carotid bifurcation?
Superior border of the thyroid cartilage
The pulse of what artery can be felt in front of the Tragus of the ear?
Superficial temporal artery
What structure passes through both the superior orbital fissure and the common tendinous ring?
Abducens nerve
What nerve is located near the piriform recess?
Internal branch of the superior laryngeal nerve (vagus)
What is the function of the cricothyroid muscle?
Tenses/adducts vocal cords
Tilts thyroid cartilage forward
What muscle divides the submandibular gland into superficial and deep parts?
Mylohyoid
What fiber types are found in the greater petrosal nerve?
GVE (preganglionic para.)
GVA
SA
What node does lymph from the tonsils drain to?
Jugulodigastric node
What 2 structures are in danger if an object becomes lodged in the piriform recess?
Internal laryngeal nerve
Superior laryngeal artery
What artery runs with the internal branch of the superior laryngeal nerve?
Superior laryngeal artery
What artery runs with the external branch of the superior laryngeal nerve?
Superior thyroid artery
What artery supplies the midbrain, temporal and occipital lobes?
Posterior cerebral artery
What branch of the internal carotid Supplies the temporal lobe?
Middle cerebral
What veins are associated with the thymus gland?
Inferior thyroid veins
An infection in which sinus is most likely to cause optic neuritis?
Ethmoid
What vertebral level is the cricoid cartilage located at?
C6
What type of fibers control accommodation of the eye?
Ciliary muscles- parasympathetic fiber so
What nerve provides sensory innervation to the anterior triangle?
Transverse cervical nerve
What muscles open the rimma glottidis?
Posterior crioarytenoids
What is the function of the cricothyroid muscle?
Tense the vocal folds
Tilt thyroid cartilage forward
What structure do the middle ear and auditory tube develop from?
First pouch
What are the boundaries of the infraglottic cavity?
Rima glottidis
Lower border of cricoid cartilage
