Anatomy 2
only innervates the Lateral Rectus muscle of the eye (exception)
Abducent Nerve
The main difference between an adult skull and a newborn skull is: a. The mandible has no ramus at birth b. Fontanels c. The mastoid and styloid processes are underdeveloped d. Only b is correct e. All of the above
All of the above
Which of the following ligaments support the joints of vertebral bodies and is the only ligament that limits extension of the spinal column?
Anterior longitudinal ligament
Beginning superficially the third layer of the scalp is known as the ____:
Aponeurotic layer
A large tumor in the foramen magnum may decrease blood flow in which artery:
Basilar artery
Temporarily paralysis, localized, resolved within 48 hours, BLINK reflex damage.
Bell's palsy
During surgery for a malignant parotid tumor, the main trunk of the facial nerve is lacerated. Which of the following muscles is paralyzed?
Buccinator muscle
During surgery for a malignant parotid tumor, the main trunk of the facial nerveis lacerated. Which of the following muscles is paralyzed?
Buccinator muscle
Identify the CORRECT source of presynaptic fibers to the otic ganglion and the target structure innervated by this ganglion.
CN IX (glossopharyngeal) via lesser petrosal to the parotid gland
Source of parasympathetic innervation to lacrimal gland?
CN VII pterygopalatine ganglion
Occlusion of which vessel results in blindness:
Central Artery
The petrotympanic fissure facilitates the exit of which structure
Chorda tympani nerve
All of the following structures comprise the tooth EXCEPT:
Choroid
Which muscle of the eye is involved in accommodation (of the lens)?
Ciliary
This bone makes up part of the TMJ:
Condylar process of the mandible
Identify the condition that results from stimulation of the parasympathetic fibers to the eyeball.
Contraction of the ciliary muscles (Ptosis)-SPHINCTER
Identify the condition that results from stimulation of the parasympathetic fibers to the eyeball. a. Contraction of the ciliary muscles (Ptosis)-SPHINCTER b. Enhanced vision for distant objects c. Dilation of the pupil d.Flattening of the lens
Contraction of the ciliary muscles (Ptosis)-SPHINCTER
Choose the best sequence (from superficial to deep) of structures comprising the refractive media of the eye.
Cornea ->aqueous humor ->lens->Vitreous Humor
The ____ Muscle helps form the boundary of the submandibular triangle of the neck:
Digastric
Mineralization of the stylohyoid ligament and can be seen on lateral-jaw radiograph:
Eagle syndrome
Where is the tympanic membrane located?
External ear-middle ear
Soft connective tissue between the cranial bones at birth are known as
Fontanelles
lift the floor of the tongue but hypoglossal is in the tongue, vagus runs posterior to the tongue.
Glossopharyngeal
Which of the following nerves is not a Cutaneous (sensory) branch of the cervical plexus? a. Lesser occipital b.Supraclavicular c.Greater occipital dGreat auricular e.Transverse cervical
Greater occipital
Which of the following nerves is not a Cutaneous (sensory) branch of the cervical plexus? a.Lesser occipital b.Supraclavicular c.Greater occipital d.Great auricular e.Transverse cervical
Greater occipital
All the following are true concerning the temporomandibular joint except
Innervated by a branch of maxillary division of CN V (CN V2)
Which of the following lymphatic nodes is NOT part of the superficial lymphatic drainage of the neck and head?
Jugolodigastric
18.Identify the foramen that allows the passage of the glossopharyngeal nerve (CN IX)
Jugular foramen
Which of the following lymphatic nodes is the first to swell in response to a cancer metastasis in the head and neck
Jugulodigastric
Which of the following lymphatic nodes is the first to swell in response to a cancer metastasis in the head and neck?
Jugulodigastric
A patient is unable to open the mouth or jaw because of tetanus. Which of the following muscles would most likely be paralyzed?
Lateral pterygoid muscle
Which of the following nerves of the cervical plexus supplies the skin of the scalp posterior and superior to the ear?
Lesser occipital nerve
13.In a medical exam, the physician observes that the patient has no sense ability on the anterior 2/3rd ofthe tongue. A potential cause of this finding is damage to what nerve?
Lingual Nerve (CN V3)
identify the correct structure traveling to the foramen ovale?
Mandibular division of the trigeminal nerve (CN V)
The temporalis muscle participates in ___ And is innervated by the ___
Mastication - mandibular division of CN V
Identify the artery that on its course to the orbital (partially), nasal and oral cavity's (including the teeth) passes through the infratemporal fossa where it vascularized the muscles of mastication:
Maxillary
Identify the artery that on its course to the orbital (partially), nasal, and oral cavities (including teeth) passes through the infratemporal fossa under the ramus of the mandible, where it vascularizes the muscles of mastication.
Maxillary a.
Determine the correct structure coursing through the pterygomaxillary fissure
Maxillary artery
The infraorbital artery branches off what artery before emerging through the infraorbital foramen:
Maxillary artery
A patient presents with problems associated with the nerve know to travel through the foramen rotundum, you know this name to be.
Maxillary division of the trigeminal nerve (CN V)
All of the following supra or infrahyoid muscles are innervated either by that ansa cervicalis or the root of C1 as it runs with the hypoglossal except
Mylohyoid
All of the following supra or infrahyoid muscles are innervated either by that ansa cervicalis or the root of C1 as it runs with the hypoglossal except:
Mylohyoid
Typically, strong winds hitting the cornea of the eyes cause us to blink. Identify the nerve responsible for sensation to the cornea. a. Nasociliary nerve b. Optic nerve c. Lacrimal nerve d. Oculomotor nerve e. Zygomatic nerve
Nasociliary nerve
Which one is the major nerve for eye movement?
Oculomotor nerve (CN III)
Which of the following muscles is not attached to and does not act on the mandible?
Omohyoid
From the anterior view of the skull orbit. What structure is the most posterior?
Optic canal
A patient has consumed a poisonous substance that impedes the closing of the lips. Which of the following muscles may be paralyzed?
Orbicularis oris
What muscle closes the mouth and protrudes the lips during kissing?
Orbicularis oris
The superior portion of the pharynx receives sensory innervation from the ____
Pharyngeal in tonsillar nerves CN IX
Identify the veins joining to form the external jugular vein 1. Posterior auricular and superficial Temporal 2. Posterior auricular and occipital 3. Superficial t emporal and retromandibular 4. Posterior auricular and retromandibular 5. Superficial temporal and mandibular
Posterior auricular and retromandibular
The cutaneous (sensory) branches of the cervical plexus originate from
Posterior border of the sternocleidomastiod muscle
Molar teeth and gum are innervated by the ___ nerve
Posterior superior Alveolar nerve
Maxillary teeth are supplied by the ___ Artery and branches of the ___Artery:
Posterior superior Alveoli and infraorbital
A traumatic blow to this area of the skull may cause a rupture of the middle meningeal artery:
Pterion
The middle meningeal artery passes close to the
Pterion
A patient complains of dryness of the nose and palate. This would indicate lesion to which of the following ganglia?
Pterygopalatime ganglion
What structure regulates the amount of light entering the eye?
Pupil
which is the sensory neural layer
Retina
Which of the following statements about the subclavian artery is incorrect:
Right subclavian artery branches directly from the aortic arch
Which of the following is not part of the vascular layer of the eyeball?
Sclera
18. A young child is brought to your office by her parents after falling on a board with an expose the nail which passed up toward the oral cavity halfway between the tip of the chin and the hyoid bone, and approximately 1 cm to the left of the midline. the structures pierced in order are _____
Skin, platysma, anterior digastric, mylohyoid, geniohyoid
A patient's radiograph shows damage to the sella turcica. Which of the following bones is fractured?
Sphenoid bone
Which muscle of the neck bisects the neck, is responsible for flexing and rotating the head, and is innervated by the accessory nerve (CN XI)?
Sternocleidomastoid
the patient will not be able to speak, more permanent
Stroke
Is attached to the tip of the stylohyoid process of the temporal bone and the lesser horn of the hyoid bone:
Stylohyoid ligament
The vertebral artery is a branch of what?
Subclavian Artery
At the base of the neck which of the following structures would not be damaged by inserting a needle immediately posterior (deep)to the anterior scalene muscle?
Subclavian vein
Which salivary gland duct opens in the sublingual caruncle?
Submandibular
What Neck triangle contains the vertebral artery?
Suboccipital
A cervical fracture has damaged the nerve responsible for the innervation of the muscle that compromises suboccipital triangle. The nerve is known as the ____ Ramus of the ____ spinal cervical nerve ____
Suboccipital-posterior-C1
A cervical fracture has damaged the nerve responsible for the innervation of the muscle that compromises suboccipital triangle the nerve is known as the Ramus of the spinal cervical nerve Suboccipital-posterior-C1 greater occipital - posterior - C2 Suboccipital - anterior - C1 Greater occipital - posterior - C1 Great auricular-auricular-Anterior- C1
Suboccipital-posterior-C1
Identify the vein that drains the scalp anterior to the auricle:
Superficial Temporal
Pulsations on the area anterior to the ear are coming from which of the following arteries?
Superficial temporal
Horner's Syndrome is a condition characterized by drooping of eyelid (ptosis), constriction of the pupil (miosis), and loss of facial sweating (anhydrosis). These are signs that the sympathetic nervous system has been interrupted. Which of the following ganglia might be affected?
Superior cervical
What is the source (origin) of sympathetic and Parasympathetic innervation to the lacrimal gland?
Superior cervical ganglion-CN VII
Identify the pair of tongue muscles acting together to make the tongue short and thick
Superior longitudinal tongue muscle - inferior longitudinal tongue muscle
Which of the following structures define the anatomical superior limit of the neck posteriorly?
Superior nuchal line
Infection can be spread to the cavernous sinus from the face via the __________ or from the infratemporal fossa via the ________.
Superior ophthalmic vein - pterygoid venous plexus
The tectorial membrane is a ___ continuation of the ___
Superior- posterior longitudinal ligament
All of these are the features of the maxillary bone EXCEPT:
Supraorbital foramen
Skin over the forehead is supplied by the ________________ nerve.
Supratrochlear
What triangular muscle has a broad attachment to the floor of the temporal fossa and functions to elevate the mandible?
Temporalis
The capsule of the temporomandibular joint is separated into an upper and lower compartment by what structure?
The articular disc
Cervical spinal nerves fulfill all of the following characteristics EXCEPT: A. Cervical spinal nerves are compromised of anterior and posterior rami B. The area or segment of the skin innervated by each cervical spinal nerve is known as a dermatome C. The posterior rami of cervical spinal nerves only supply muscles in the posterior region of the neck D. Cervical spinal nerves contain mixed fibers that include somatic (sensory and motor) and visceral (sensory and motor) E. The mass of muscles innervated by each cervical spinal nerve in called myotome
The posterior rami of cervical spinal nerves only supply muscles in the posterior region of the neck
Which one of these statements is true about the intrinsic muscles of the back?The splenius muscles belong to the intermediate layer They are supplied by the anterior rami of the spinal nerve The trapezius and the levator scapulae muscles are considered part of the deep layer They are innervated by the posterior rami of the spinal nerve
They are innervated by the posterior rami of the spinal nerve
Which of the following arteries is NOT a branch of the maxillary artery?
Transverse facial artery
As the skin of the lips approaches the mouth, it changes color abruptly to red; this red margin of the lips is the ____________ border, a transitional zone between the skin and mucous membrane.
Vermillion
Which of the following is correct about the lacrimal gland and ducts? All are correct: a) The location of the lacrimal gland is above the iris and opposite from the lacrimal sac. b) The lacrimal duct passes below the eye and into the lacrimal sac. c) The nasolacrimal duct conveys the lacrimal fluid to the nasal cavity.
all are correct
Which of the following prevertebral muscles is NOT attached to the mandible?
anterior scalene
otic ganglion
auriculotemporal nerve
Horners syndrome is a condition characterized by dropping of the ______, construction ofthe___ , and loss of facial ____.
eyelid (ptosis) - pupil (miosis) - sweating (anhidrosis)
Which of following nerves does NOT arise from the cervical plexus?
greater occipital
Which of the following nerves does NOT arise from the cervical plexus?
greater occipital
Identify the structure connecting the middle ear to the nasopharynx, allowing the free movement of the tympanic membrane:
pharyngotympanic tube
Source of parasympathetic innervation to submandibular and sublingual Glands?
submandibular ganglion
What is the terminal branch of the inferior alveolar nerve?
the mental nerve
Identify the cranial nerve that provides sensory innervation to the major part of the face.
trigeminal (CN V)
What bony structure is formed by the union of the temporal process of the zygomatic bone and the zygomatic process of the temporal bone?
zygomatic arch