EXAM 3 Flashcards
Name branches from the internal carotid artery that supply areas of the face?
SUPRAORBITAL; Internal carotid typically supplies the brain
supratemporal
The middle meningeal artery is a branch of what major artery?
Maxillary Artery
List components of the circle of Willis
Two internal carotids and two vertebral arteries
Which meningeal space is associated with the spinal cord but not the brain?
Epidural space
Describes the diaphragma sellae?
dura mater that separates the cerebral cavity from the hypophyseal fossa
Name the dural sinuses that drain into the confluence of sinuses.
Straight sinus and superior sagittal sinus
Which sinus receives blood from the superior sagittal sinus?
Transverse (right)
Cerebrospinal fluid circulates in which of the meningeal spaces?
Subarachnoid
the anterior spinal artery is an unpaired artery that supplies part of the upper region of the spinal cord. describe its origin?
Vertebral artery
Olfactory fibers making up the olfactory nerves pass from the olfactory mucosa to the olfactory bulbs through which structure?
cribriform
List structures that pass into the orbit through the superior orbital fissure.
CN III, IV, VI, and V1
the origin of the axons that make up the optic nerve originate from which cells?
Retinal ganglion cells
identify extrinsic muscles of the eye NOT supplied by the oculomotor nerve?
Superior oblique (CN IV) and lateral rectus (CN VI)
which cranial nerves supplies motor innervation to the sternocleidomastoid and trapezius muscles.
CN XI
List structures that exit the cranial cavity through the jugular foramen.
CN IX, X, XI
Which of cranial nerve supplies extrinsic and intrinsic muscle of the tongue?
CN XII: hypoglossal
The spinal accessory nerve exits the cranial cavity through which of the following foramen?
Jugular foramen
Parasympathetic fibers that control the shape of the lens and pupil are carried by which nerve?
CN III: occulomotor
The infraorbital, anterior superior alveolar, zygomatic, palatine, nasal, and posterior superior alveolar nerves are all branches of which nerve?
CN V2: maxillary branch
The mandibular branch of the trigeminal exits the cranial cavity through which foramen?
Foramen ovale
After passing through the body of the mandible, the mandibular branch of the trigeminal nerve exits the mandibular canal via which foramen?
Foramen ovale
What nerve exits the cranial cavity through the foramen rotundum?
Maxillary; V2
Cell bodies of sensory neurons carrying general sensory information from the dura of the middle and anterior cranial fossae, the external surface of the ear drum, and the anterior two-thirds of the tongue are located in which cranial ganglion?
Geniculate nucleus
Special visceral motor (SVM) modality supplies the stylopharyngeus muscle via which cranial nerve?
CN IX
The chorda tympani carries branches of which nerve inside the petrous portion of the temporal bone?
CN VII
Which of the cranial nerves innervates the anterior belly of the digastric muscle?
CN V; trigeminal nerve; (I pharyngeal arch)
Taste sensation from the posterior third of the tongue is carries by which of the following cranial nerves?
CN IX
Which of the following is the major parasympathetic nerve to thoracic and most abdominal organs?
Vagus nerve CN X
Which specific structure associated with the semicircular canals is responsible for detecting rotational acceleration?
Ampulla and crista ampullaris and vesticubular apparatus
The supraorbital and supratrochlear nerves are branches of which branch of the opthalamic nerve?
frontal nerve
Of the three auditory ossicles, which one is attached to the tympanic membrane?
malleus
Most of the roof of the orbit is formed from which bone?
frontal
The crista galli is an extension of which of bone?
ethmoid
Parasympathetic supply to the lacrimal gland is via which nerve?
CN VII
Cell bodies of the parasympathetic preganglionic fibers to the ciliary ganglion (source of cell
bodies of postganglionic fibers to the sphincter pupillae muscle) are located where?
Edinger-Westphal
Which extrinsic muscle of the eye abducts the eyeball?
Lateral rectus
Which cranial nerve supplies parasympathetic innervation to the parotid gland?
CN IX
Name the structures that form the nasal septum?
Septal cartilage, vomer, perpendicular plate of ethmoid bone
The maxillary sinuses open into which spaces/recesses via the semilunar hiatus?
Middle meatus
Name the muscles that elevate the mandible.
Masseter, medial pterygoid, and the temporalis muscle
Identify the communication pathway between the infratemporal fossa and the orbit?
Inferior orbital fissure
The maxillary artery is divided into three parts with reference to its branching pattern. Which structure is used to demarcate the three parts?
Lateral ptreygoid muscle
Name the arterial branches from the third part of the maxillary artery?
Posterior superior alveolar , infraorbital, desending palatine, artery to ptreygoid canal
The middle meningeal artery enters the cranial cavity via which foramen?
Foramen spinosum
Which of the hypaxial muscles is attached to the hyoid bone but is not part of the infrahyoid group?
Geniohyoid
Which of the scalene muscles attaches to the second rib?
Posterior
The anterior belly of the digastric nerve is derived from the first pharyngeal arch and is
innervated by which nerve?
CN V
Identify the muscles that consists of two bellies, originating from the body of the hyoid and the superior border of the scapula?
Omohyoid
Branches off the external carotid artery are grouped into terminal, anterior, posterior, or medial, depending on which direction they branch from the external carotid. Name these branches.
Anterior: lingual, facial, superior thyroid (lowest branch of external carotid)
Posterior: occipital and posterior articular Medial: ascending pharyngeal
Terminal: superficial temporal and maxillary
The nerve branch to the geniohyoid originate from C1 and runs partly with which cranial nerve?
CN XII
Ventral rami from which levels of the spinal cord make up the cervical plexus?
C1-C4
Name infrahyoid muscles supplied by the ansa cervicalis.
Sternothyroid, omohyoid, and sternohyoid
Identify the spinal cord levels of origin for the phrenic nerve.
C3-C5
Postganglionic fibers from which region of the sympathetic trunk supply all the smooth muscles and glands of the head?
Superior cervical ganglion
Which structure enters the pharynx by passing between the base of the cranium and the superior edge of the superior pharyngeal constrictor?
Auditory tube
Describes the location of the vallecular recesses.
Located on either side of the median glossoepiglottic fold
What is the narrowest part of the laryngeal cavity?
Rima glottis
Which pair of laryngeal cartilages are able to rotate in order to change the tension on the vocal ligaments (cords)?
Arytenoids
Name the part of the dura mater that separates the cerebral cavity from the hypophyseal fossa.
diaphragma sella
Identity the dural sinus that DOES NOT connect directly with the confluence of sinuses.
inferior sagital sinus
In what space does cerebrospinal fluid circulate?
subarachnoid space
Name the arterial branch from the vertebral arteries that supplies the upper part of the spinal cord
Anterior spinal artery
Foramina for olfactory nerves are part of which bone?
cribiform plate
What is the origin for the axons that form the optic nerve?
retinal ganglion cells
Which extrinsic muscle of the eye is supplied by the abducens nerve?
Lateral rectus muscle (abducts)
Which extrinsic muscle of the eye is supplied by cranial nerve IV?
superior oblique muscle
what is the motor innervation for the trapezius and sternocleidomastoid muscles?
CN XI: spinal accessory nerve
What cranial nerve supplies extrinsic and intrinsic muscles of the tounge?
CN XII: hypoglossal
Parasympathetic fibers that control the shape of the lens and pupil are carried by which cranial nerve?
CN III: occulomotor
Which CN passes through the foramen ovale?
CN V3: mandibular branch of trigeminal nerve
Cell bodies of sensory neurons carrying general sensory information from the dura of the middle and anterior cranial fossa, the external surface of the ear drum, and the anterior two thirds of the tounge are located in which cranial ganglion?
geniculate ganglion is associated with the facial nerve
Special visceral motor (SVM) modality supplies the stylopharyngeus muscle via which cranial nerve?
CN IX: glossopharyngeal
The chorda tympani is associated with which cranial nerve? (In the middle ear chamber)
CN VII: facial nerve
Taste sensation from the posterior third of the tounge is carried by which CN?
CN IX: glossopharyngeal
What is the major parasympathetic nerve to thoracic and most abdominal organs?
CN X: vagus nerve
Which auditory ossicle is attached to the oval window?
stapes
Which auditory ossicle is attached to the tympanic membrane (ear drum)?
malleus
Most of the roof of the orbit is formed from which bone?
frontal
The crista galli is part of which bone (above)? (Below: nasal septums)
ethmoid
Which CN carries parasympathetic supply to the lacrimal gland?
CN VII: facial nerve
Cell bodies of the parasympathetic preganglionic fibers to the ciliary ganglion originate from which nucleus?
Edinger-Westphal nucleus
Which CN supplies parasympathetic innervation to the parotid gland?
CN IX: glossopharyngeal
The maxillary sinuses open into which space/recess via the semilunar hiatus?
middle meatus
Which opening represents the communication pathway between the infratemporal fossa and the orbit?
Inferior orbital fissure
Which structure divides the maxillary artery into two parts with reference to its branching pattern?
lateral pterygoid muscle
The middle meningeal artery enter the cranial cavity via which foramen?
foramen spinosum
Which hypaxial muscle is attached to the hyoid bone but is not part of the infrahyloid group?
geniohyoid; genio = chin; elevates the rest depress
Which scalene muscle attaches to the second rib
posterior scalene
What is the innervation of the anterior belly of the digastric nerve?
CN V: trigeminal nerve (I pharyngeal arch)
What is the innervation of the posterior belly of the diagstric nerve?
CN VII: facial nerve (II pharyngeal arch)
What muscle consists of two bellies originating from the body of the hyoid and the superior border of the scapula?
omohyoid (not hypaxial)
Name a medial branch off the external carotid? (Know anterior etc as well)
ascending pharyngeal
The nerve branch to the geniohyoid originates form C1 and runs partly with which CN?
CN XII: hypoglossal
What are the spinal cord levels for the cervical plexus?
C1-C4
What infrahyloid muscle is NOT supplied via the Ansa cervicalis?
thyrohyloid
What is the spinal cord level of origin for the phrenic nerve?
C3, C4, C5
What part of the sympathetic trunk supplies all Smooth muscles and glands of the head?
superior cervical ganglion
What is the narrowest part of the laryngeal cavity?
Rima glottidis
What pair of laryngeal cartilages rotate to change tension on the vocal cords?
arytenoids
Supraorbital is the branch of which artery?
Internal carotid artery
Maxillary artery is a branch of which meningeal artery?
Middle meningeal artery
Two internal carotids and two vertebral arteries are components of and form what?
Circle of Willis
Epidural space is associated with the ___ ____ but not the ____.
Associated with the spinal cord but not the brain
The dura mater thats separates the cerebral cavity from the hypophyseal fossa.
Describe what?
Diaphragms sella
Straight and superior sinuses drain into what?
Confluences of sinus
Transverse (right) receives blood from where?
Superior sagitall sinus
Subarachnoid contains/circulates what fluid?
Cerebrospinal fluid
Vertebral artery has what unpaired artery that supplies part of the upper region of the spinal cord?
Anterior spinal artery
The cribiform plate is the passage for factory neurons to go where?
Olfactory nerves pass from the olfactory mucosa to the olfactory bulbs
Cranial III, IV, VI, and V1 (1st branch of trigeminal nerve) pass through which fissure?
Superior orbital fissure
Retinal ganglion cells make up the axons of what nerve?
Optic nerve
Superior oblique (CN IV) and lateral rectus (CN VI) muscles are the two extrinsic muscle not supplied by what?
Occulomotor nerve
Cranial nerve XI supplies motor innervation to which to muscles?
Sternocleidomastoid and trapezius
Cranial nerves IX X XI cranial cavity through what?
Jugular foramen
CN XII: hypoglossal supplies extrinsic and intrinsic muscle of the what?
Tongue
CN III: occulomotor nerve controls the shape of the lens and pupil by what type of fibers?
Parasympathetic
Which trigeminal branch exits the foramen ovale?
Mandibular branch
Maxillary branch : V2 exits through which cranial cavity?
Foramen rotundum
Geniculate nucleus carries what kind of general sensory information from what?
From the dura of the middle and anterior cranial fossa
The external surface of the ear drum
Anterior two thirds of the tongue
CN IX supples Special visceral motor(SVM) to which muscle ?
Stylopharyngeus muscle
CN IX supplies which modalities to the stylopharyngeus muscle?
SVM special visceral motor
CN VII is carried inside the patrons portion of the temporal bone by what?
Chorda tympani
CN VII is carried by the chorda tympani inside what?
Petrous portion of the temporal bone
CN V; trigeminal nerve (1 pharyngeal arch) innervates what?
Anterior belly of diagnostic muscle
CN XI (glossopharyngeal) innervates what part of the tongue?
Posterior third part of tongue
Vagus nerve; CN X is the major parasympathetic nerve to what?
Thoracic and most abdominal organs
Ampulla, crista ampullaris and vestibular apparatus is responsible for what?
Detecting rotational acceleration
What are the branches of the Frontal nerve?
Supra orbital and supratrochlear nerves
The malleus is attached to what?
Typmpanic membrane
Frontal bone forms what?
Most of the roof of the orbit
What is the extension of the ethmoid?
Crista Galli
CN VII; facial nerve provides parasympathetic supply to what gland?
Lacrimal gland
What is located in Edinger-westphal?
Cell bodies of parasympathetic preganglionic fibers to ciliary ganglion
(Source of cell bodies of postganglionic fibers to the sphincter papillae muscle)
Lateral rectus is an extrinsinc muscle that does what?
Abducts the eyeball
CN IX supplies parasympathetic innervation to what gland?
Parotid gland
Septal cartilage, vomer, perpendicular plate of ethmoid bone form what?
Nasal septum
By way of the semilunar hiatus, what opens into The Middle meatus.?
Maxillary sinuses
The masseter, medial pterygoid, and the temporalis muscle elevates what?
Elevate the mandible
Inferior orbital fissure is the communication pathway between what?
The infratemporal fossa and the orbit
Lateralptreygoid muscle divides what artery into three parts?
Maxillary artery
Posterior superior alveolar, infraorbital, descending palatine, artery to ptreygoid canal are branches from the third part of which artery
Maxillary artery
Foramen spinosum has what artery that runs through it?
Middle meningeal artery
Geniohyoid is a hypaxial muscle that is attached to the hypoid bone but not apart of what group?
Infrahyoid group
Posterior scalene muscle attaches to what rib?
Second rib
CN V; trigeminal, supplies _______ belly of the diagastric nerve?
Anterior belly of the diagstric nerve
Which arch does the anterior belly of the diagastric nerve come from?
First pharyngeal arch
Where does CN XII: hypoglossal nerve originate?
C1
Ventral rami of C1-C4 make up what?
Cervical plexus
Sternothyroif, omohyoid, and sternohyoid are supplied by what?
Ansa cervicalis
Spinal cord levels C3-C5 are the origin of what?
Phrenic nerve
What do the Superior cervical ganglion supply?
All smooth muscles and glands of the head
Where does the Auditory tube pass?
Between the base of cranium and the superior edge of the superior pharyngeal constrictor
What is located on either side of the median glossoepiglottic fold?
Vallecular recesses
Rima glottis is what?
The narrowest part of the laryngeal cavity
What is the function of the Arytenoids?
To rotate in order to change the tension on the vocal ligaments (cords)
Diaphragma sella is apart of the dura mater that separates what?
Separates the cerebral cavity from the hypophyseal fossa
Inferior Sagittal sinus does not connect directly with what?
Does not connect directly with. The confluence of sinuses