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82 Cards in this Set

  • Front
  • Back
What is the origin of the Optic Nerve (CN2)
Retina
What is the level of the occular motor (CN3) nucleus?
Superiorcollicus level
Accessory occular motor nucleus is also known as
Edinger Westphal
Which divison of CN3 carries fibers to the cilliary ganglion?
Inferior division of CN3
What branch of what nerve carries taste to the anterior 2/3 of the tongue?
Special sensory component of the Facial Nerve (CN7)
Which CN forms the superior root of the ansa cervicalis
Hypoglossal n. (CNXII)
Which muscle of the tongue is not innervated by hypoglossus?
Palatoglossus
Which nerve and artery pass through the thyrohyoid membrane together?
Superior Laryngeal a. and Internal laryngeal n.
Palatoglossus is supplied by which CN?
Vagus (X)
Which CN nunclei lie in the midbrain?
Occ Motor (CN3)
Trochlear (CN4)
The cell bodies of the branches of the Trigeminal Nerve (CN5) lie in
the Trigeminal ganglia
Which nuclei of CN lie in the pons?
Mandibular Nerve of CN5
Abducent N. CN6
Facial N. (CN7) - motor part
Vestibular (CN8) - partially
Sensory nuclei of the facial n. (CN 7) lie in the
genticulate ganglion
Postsynaptic cell bodies of the sensory part of the Facial N (CN 7) lie in the
postsynaptic in pterygopalatine ganglion and submandibular ganglion
Nerve cell bodies of the chochlear nerve lie in the
spiral ganglion
Nerve cell bodies in the medulla
CN 9 - Glosspharanygeal n.
Vagus n. - CN10
Hypoglossal - CN12 - hypoglossal nucleus
Nerve cell bodies in the spinal cord
Spinal accessory n. - XI
Which sinues connect cavernous sinus with sigmoid sinuses
Inferior petrosal sinus
What is contained in the cavernous sinus
Internal carotid a.
Abducent n.
Lateral wall - CN 3, 4, 5 opthalmic and maxillary
What connects the cavernous and transverse sinses?
Superior petrosal sinus
Transverse sinus terminates in
sigmoid sinus
Dural infoldings are formed by
the inner menengial layer of the dura mater
Veins of the thyroid drain to
Superior and Middle - internal jugular v.
Inferior - brachiocephalic v.
Superior thyroid a. runs with
external laryengeal n.
What is the largest branch of the thyrocervical trunk?
Inferior thyroid a.
Inferior thyroid a. runs with
recurrent laryngeal n.
The superior thyroid a. is a branch of
the external carotid a.
Lobes of the thyroid are located __________to the carotid sheath
anteriolaterally
The thyroid gland is anterior to which rings of the trachea
2nd & 3rd
What forms the sheath over the thyroid gland?
pretracheal layer of the deep cervical fascia
1. What is the largest sinus?
1. Sigmoid Sinus
2. Where does the sigmoid sinus end?
1.
Ends in Jugular Foramen
Inferior sagital sinus ends in the
straight sinus and is not part of the confluence of sinuses
What muscle elevates the eyelids
Levator Palpbrae Superioris
Muscle that provides accomodation in the eye
Cilliaris
Where do the cilliary ganglia begin?
midbrain CN III & IV
6. Which is one of the branches of ophthalmic artery?
1.
Central artery of the retina (No collateral circulation)
7. What are the 2 muscles responsible for changing the diameter of the eyeball?
1.
Dilator pupilae and constrictor pupilae
14. What is known as the Blind Spot of the eye?
1.
Optic Disc
15. This is where sharp/acute vision occurs:
1.
Fovea centralis
18. What is the location of the laryngeal ventricle?
1.
Located between vestibule fold and vocal fold
19. Which is the extrinsic muscle of the larynx?
1.
Thyroarytenoid
20. What is the Outside muscle of the larynx-
1.
Cricothyroid muscle
21. All muscles in the larynx are innervated by what?
1.
Recurrent laryngeal nerve (Branch of Vagus Nerve
the only cranial nerve to exit dorsally from the brain stem. Also, it is the only nerve to denisate/cross over from the right to left side.
Trochlear - CNIV
Where does the internal carotid a. branch?
In the skull - middle cranial fossa, giving rise to the opthalmic and anterior and middle cerebral aa.
Where does the external carotid terminate
at the parotid gland - divides into maxillary and superficial temporal aa.
The space between the prevertebral fascia and the buccopharyngeal fascia
retropharyngeal space
Ansa cervicalis innervates the
strap muscles
except - mylohyoid - Trigeminal
and Stylohyoid - facial
Geniohyoid and thyrohyoid are innervated by
C1 via the hypoglossal n
This nerver innervates the posterior belly of the digastric
Facial N
This innervates the anterior belly of the digastric
Mylohyoid n
Where is the Larynx
level of C3-C6 bodies
Whatis the largest cartilage
Thyroid (superior border is at C4
Opening between vocal folds
Rima glotticus
What is the free inferior border if the quadrangular membrane?
Vestibular ligament
Intrinsic muscles of the larynx are supplied by
Recurrent Laryngeal except cricothyroid
Cricothyroid supplied by
external laryngeal n.
Thyroaretinoid
Posterior cricoaryetenoid
Tansverse arytenoid
Vocalis all supplied by
inferior laryngeal n.
Stylopharangeus is supplied by which cranial nerve?
glossopharyngeal (CN9)
These close the laryengeal inlet during swallowing
lateral cricoarytenoid
oblique arytenoid
aryepiglotticus
Largest branch of the thyrocervical trunk
Inferior Thyroid arterty
This artery arises from the subclavian artery
Inferior thyroid artery
The inferior thyroid artery runs with the
recurrent laryngeal n.
SCM is innervated by
motor - spinal root of accessory nerve ( 11th cranial nerve )
2. C2 C3 nerves ( sensory ( pain and proprioception )
Origin of trapezius
middle third of superior nucchal line
Trapezius is innervated by
motor - spinal accessory nerve ( 11th cranial nerve )
2. sensory - C2, C3 nerves ( pain and proprioception )
Insertion of Trapezious
lateral third of clavicle
3. acromion of scapula
3. spine of scapula
The inferior belly of omohyoid muscle divides the posterior triangle into
1. occipital triangle - upper and larger
2. omoclavicular or subclavian triange - lower and smaller
External jugular vein
it is formed by the union of posterior auricular vein and posterior division of
retromandibular vein
4. it crosses SCM obliquely deep to the platysma
5. pierces the investing layer of deep cervical fascia and terminates in the subclavian vein
Brachiocephalic vein is formed from the union of
the subclavian and internal jugular
Suprascapular nerve arises from
the upper trunk of the brachial plexus
supplies the skin of the neck and scalp posterosuperior to the auricle
Lesser Occipital N.
the skin over and the sheath surrounding the parotid gland
b) the mastoid process
c) both surfaces of the auricle
d) an area of skin extending from the angle of mandible to the mastoid process
Greater auricular
it supplies the skin covering the anterior cervical region ( anterior triangle )
Transverse cervical n.
sending small branches to the skin of the neck and supplies the skin over the shoulder
Supraclavicular
it provides sole motor supply to the diaphragm and sensory supply to its central part
5. in the thorax, each phrenic nerve supplies sensory fibers to mediastinal pleura and
pericardium
6. it enters the thorax, runs anterior to the root of the lungs, pierces the diaphragm and
supplies the same muscle
Phrenic N.
Platysma nerve supply
cervical branch of facial nerve ( 7th cranial nerve )
Prevertebral layer of deep cervical fascia
forms a tubular sheath for the vertebral column and the muscles associated with it, such as
a) longus colli and longus capitis anteriorly
b) scalenes laterally ( scalenus anterior, scalenus mediua and scalenus posterior )
it extends as the axillary sheath,
Largest branch of the arch of the aorta
Brachiocephalic trunk
provides sole motor supply to the diaphragm and sensory fibers to the pleura and pericardium
Phrenic nn
Inferior ganglion and first thoracic ganglion fuse to form
cervicothoracic (stellate) ganglion