Head And Neck Flashcards
How many bones in the skull?
22
How many bones in the cranium?
8- only 2 are paired(temporal and zygomatic)
How many bones in the facial skeleton?
14
Which two bones in the facial skeleton are singular?
Vomer and mandible
What bones meet at the pterion?
Frontal, temporal, parietal and sphenoid
What travels through the supraorbital foramen?
Supraorbital nerve and vessels
What travels through the infraorbital foramen?
Infraorbital nerve and vessels
Where is the mental foramen
Mandible
Where is the bregma?
Junction of coronal and sagittal sutures
Where is the lambda?
Junction of the lambdoid and sagittal sutures
What travels through the foramen spinosum?
Middle meningeal artery
What travels through the foramen ovale?
Mandibular nerve and lesser petrosal nerve
What travels through the carotid canal?
Internal carotid artery and nerve plexus
What travels through the foramen magnum?
Brain and spinal cord, vertebral arteries, spinal arteries
What travels through the jugular foramen?
Internal jugular vein, CNIX, CNX, CNXI
What travels through the stylomastoid foramen?
Facial nerve CNVII
What are the paranasal sinuses?
Frontal, ethmoid, sphenoid and maxillary
What muscles border the anterior triangle?
Mandible, SCM, midline of the neck
What muscles border the posterior triangle of the neck?
SCM, trapezius, middle third of the clavicle
What are the suprahyoid muscles
Geniohyoid, mylohyoid, digastric (posterior and anterior belly), stylohyoid
What do the suprahyoid muscles do?
Elevate the hyoid bone to enable swallowing
What are the infrahyoid muscles?
Sternohyoid, omohyoid (posterior and inferior belly), thyrohyoid
What do the infra hyoid muscles do?
Depress the hyoid bone and move the larynx- speaking!
What are the scalene muscles?
Anterior, middle and posterior
What do the scalene muscles do?
Accessory respiratory muscles, obviously engaged in things like asthma attacks when they try to make extra space for air
Where does the carotid artery split?
2 becomes 4 at C4
Where do the internal and external carotid arteries supply?
Internal: brain
External:face
What nerves travel through the cavernous sinus?
CNIII, CNIV, CNV1, CNV2, CNVI
What allows you to nod?
Atlas and axis
What allows you to shake your head?
Atlas and dens
