Anatomy Quiz: 3 Practice Questions

A patient complains of sudden sharp pain in her jaw and oropharynx. An x-ray confirms that she has eagle syndrome. What structures are most likely affected? a. Styloid process - elongated b. Stylohyoid Ligament - mineralized c. TMJ joint d. A and b e. All of the above

All of the above

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? a) Nuchal ligament b) Ligament flava c) Posterior longitudinal ligament d) Anterior longitudinal ligament e) Tectorial membrane

Anterior longitudinal ligament

Which of the following prevertebral muscles is NOT attached to the mandible? a) longus capitis b) anterior scalene c) trapezius d) posterior scalene

Anterior scalene

Beginning superficially the third layer of the scalp is known as the ____: a) skin b) loose areolar connective tissue c) aponeurotic tissues d) pericranium

Aponeurotic layer

A large tumor in the foramen magnum may decrease blood flow in which artery: a) maxillary artery b) basilar artery c) transverse facial artery d) inferior alveolar artery

Basilar artery

During surgery for a malignant parotid tumor, the main trunk of the facial nerve is lacerated. Which of the following muscles is paralyzed? (A) Masseter muscle (B) Stylopharyngeus muscle (C) Anterior belly of the digastric muscle (D) Buccinator muscle (E) Tensor tympani

Buccinator muscle

After an aneurism damaged the cribriform area, you determine that superior orbital fissure has also been affected. You have damage to to what CN?

CN 3,4,6

The smallest cranial nerve is: a. CN III b. CN IV c. CN VII d. CN V

CN IV Trochlear

If you were to flip the skull upside down, the brain would not fall out because of an attachment at this structure: a. Cribiform plate b. Crista galli c. Foramen magnum d. Sphenoid bone

Crista Galli

The ____ Muscle helps form the boundary of the submandibular triangle of the neck: 1. Omohyoid 2. Geniohyoid 3. Digastric 4. Mylohyoid 5. Masseter

Digastric

Elongation of the styloid process (over extended) or Mineralization of the stylohyoid ligament and can be seen on lateral-jaw radiograph is known as?

Eagle syndrome

Where is the tympanic membrane located? a) inner ear - outer ear b) middle ear - inner ear c) external ear - inner ear d) external ear - middle ear

External ear - middle ear

Soft connective tissue between the cranial bones at birth are known as

Fontanelles

The tympanic nerve conveys somatic sensory information from the middle ear and is a branch of the ________. a) CN IX b) CN V c) CN VII d) CN I

Glossopharyngeal (CN IX)

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 the first to swell in response to a cancer metastasis in the head and neck a) jugulomyohyoid lymph nodes b) submandibular lymph nodes c) mastoid lymph nodes d) jugulodigastric lymph nodes

Jugulodigastric

This foramen is best seen in a cadaver: a. Lacerum b. Magnum c. Jugular d. Stylomastoid

Lacerum

A patient is unable to open the mouth or jaw because of tetanus. Which of the following muscles would most likely be paralyzed? (A) Masseter muscle (B) Medial pterygoid muscle (C) Lateral pterygoid muscle (D) Buccinator muscle (E) Temporalis muscle

Lateral pterygoid muscle

Which of the following nerves of the cervical plexus supplies the skin of the scalp posterior and superior to the ear? 1. Lesser occipital 2. Auriculotemporal 3. Greater occipital 4. Third (least) occipital 5. Supraclavicular

Lesser occipital

In a medical exam, the physician observes that the patient has no sense ability on the anterior 2/3rd of the tongue. A potential cause of this finding is damage to what nerve 1. Buccal (CN VII) 2. Lingual (CN V3) 3. Buccal (CN V3) 4. Lingual (CN IX) 5. Anterior superior alveolar (CN V2)

Lingual (CN V3)

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 vascularizes the muscles of mastication a) mandibular c) jugular c) maxillary d) hypoglossal

Maxillary

Determine the correct structure coursing through the pterygomaxillary fissure a) posterior auricular artery b) ascending pharyngeal artery c) occipital artery d) maxillary artery

Maxillary artery

A patient presents with problems associated with the nerve know to travel through the foramen rotundum, you know this name to be 1. Maxillary division of the trigeminal nerve (CN V) 2. Chorda tympani nerve 3. Lingual nerve (CN V2) 4. Vagas nerve (CN IX) 5. Inferior alveolar nerve

Maxillary division of the trigeminal nerve (CN V)

After the wisdom tooth grows in, what structure becomes more prominent? a. Mastoid Process of the Temporal bone b. Zygomatic Process of the Maxillae c. Maxillary Tuberosity d. Alveolar Processes

Maxillary tuberosity

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: 1. Omohyoid 2. Sternohyoid 3. Thyroglobulin 4. Sternothyroid 5. Mylohyoid

Mylohyoid

Damage to the cribiform plate of the ethmoid bone would most likely affect which nerve? a. Optic b. Olfactory c. Vagus d. CN XI

Olfactory

From the anterior view of the skull orbit. What structure is the most posterior? a) lens b) sclera c) optic canal d) orbit

Optic canal

Identify the muscle that does not form part of the pharyngeal wall 1. Stylopharyngeous m 2. Superior constrictor m 3. Salpingopharyngeous m 4. Middle constrictor muscle 5. Palatoglossus muscle

Palatoglossus muscle

Maxillary teeth are supplied by the ___ Artery and branches of the ___Artery: a) posterior auricular alveoli artery - infraorbital b) superior laryngeal artery - supraorbital c) posterior superior alveoli artery - infraorbital d) posterior superior alveoli artery - supraorbital

Posterior superior Alveoli and infraorbital

A condition found via MRI imaging where the pituitary gland is absent is called: a. Horner's Syndrome b. Sella turcica c. Parkinson's Disease d. Cerebral Palsy

Sella turcica

Is attached to the tip of the stylohyoid process of the temporal bone and the lesser horn of the hyoid bone a) foramen spinosum b) stylohoid ligament c) mastoid d) trigeminal ganglion

Stylohoid ligament

Which salivary gland duct opens in the sublingual caruncle? 1. Submandibular 2. Sublingual 3. Perotid 4. None

Submandibular

What Neck triangle contains the vertebral artery? 1. Muscular 2. Carotid 3. Submandibular 4. Submental 5. Suboccipital

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 ____ a) Suboccipital-posterior-C1 b) greater occipital - posterior - C2 c) Suboccipital - anterior - C1 d) Greater occipital - posterior - C1 e) Great auricular-auricular-Anterior- C1

Suboccipital-posterior-C1

Identify the vein that drains the scalp anterior to the auricle 1. Posterior auricular 2. Superficial Temporal 3. Occipital 4. Retromandibular 5. Maxillary

Superficial Temporal

Which of the following structures define the anatomical superior limit of the neck posteriorly? 1. Inferior nuchal line 2. Suboccipital triangle 3. Spinous process of C7 4. Nuchal ligament 5. Superior nuchal line

Superior nuchal line

The tectorial membrane is a ___ continuation of the ___ a) superior - posterior longitudinal ligament b) posterior - superior longitudinal ligament c) inferior - posterior longitudinal ligament d) inferior - anterior longitudinal ligament

Superior- posterior longitudinal ligament

Skin over the forehead is supplied by the ________________ nerve. a) temporalis b) supratrochlear c) subtrochlear d) lateral pterygoid

Supratrochlear

The capsule of the temperomandibular joint is separated into an upper and lower compartment by what structure? 1. The articular disc 2. The insertion of the lateral pterygoid muscle 3. The sphenomandibular ligament 4. The lateral ligament 5. The temporomandibular ligament

The articular disc

The lingula papilla type that is most abundant immediately anterior to the terminal sulcus is the 1. Fungiform 2. Fisiform 3. Vallate 4. Follate 5. None

Vallate

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

The area most prone to nose bleeding is termed the Kiesselbach area. Which of the following arteries are associated with this area? a) facial artery b) sphenopalatine artery c) maxillary artery d) ophthalmic artery e) a, c, and d f) all of the above

all of the above

The petrotympanic fissure facilitates the exit of which structure

chorda tympanic nerve

This bone makes up part of TMJ

condylar process of mandible

In addition to Cartlidge the nasal septum is formed by the ____ bones:

ethmoid & vomer

The lingual artery originates from the ____ Artery and runs anteriorly disappearing under (going deep to) which muscle __ a) internal carotid - hypoglossus b) external carotid - facial c) internal carotid - vetibulococclear d) external carotid - hypoglossus

external carotid - hypoglossus

A person's sinus posterior to the superciliary arches and the glabella develops an infection. Which of the following sinuses should the attending doctor be concerned about? a) maxillary sinus b) frontal sinus c) posterior ethmoidal sinus d) anterior ethmoidal sinus e) c and d

frontal sinus

The nasolacrimal duct conveys lacrimal fluid to which of the following structures? a) lacrimal gland b) lacrimal sac c) lacrimal canaliculi d) inferior nasal meatus e) lacrimal fossa

inferior nasal meatus

Identify the foramen that allows the passage of the glossopharyngeal nerve (CN IX) 1. Petrotympanic fissure 2. Jugular foramen 3. Foramen rotundum 4. Foramen ovale

jugular foramen

The opening of the frontal sinus is usually located in the a) inner nasal meatus b) external nasal meatus c) middle nasal meatus

middle nasal meatus

Which of the following muscles does not attach to the mandible? 1. Omohyoid 2. Geniohyoid 3. Digastric 4. Mylohyoid 5. Masseter

omohyoid

The paranasal sinuses do NOT include the air-filled spaces within the _____________ bone a) ethmoid b) sphenoid c) occipital d) parietal

parietal

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

A traumatic blow to this area of the skull may cause a rupture of the middle meningeal artery

pterion

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 14-year-old boy hits his head on the asphalt road after falling off his skateboard. His radiograph reveals damage to the sella turcica. This is probably due to fracture of which of the following bones? (A) Frontal bone (B) Ethmoid bone (C) Temporal hone (D) Basioccipital bone (E) Sphenoid bone

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)? a) rectus capitis posterior major b) semispinalis capitis c) splenius capitis d) sternocleidomastoid

sternocleidomastoid

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? 1. Roots of the brachial plexus 2. Subclavian artery 3. Subclavian vein 4. Upper portion of lungs 5. None of the above

subclavian vein

All of these are features of the maxillary bone EXCEPT:

suborbital foramen

A patient comes in complaining of a toothache. However, after some tests, the physician determines the patient to have infection within their maxillary sinus area. Which nerve supplies this sinus? a) infraorbital nerve b) frontal nerve c) greater palatine nerve d) superior alveolar nerve

superior alveolar nerve

What triangular muscle has a broad attachment to the floor of the temporal fossa and functions to elevate the mandible? a) parietal b) digastric c) ethmoid d) temporlais

tempolarlis

Damage to the optic tract could result in: a. Partial vision loss in only one eye b. Total vision loss in only one eye c. Total vision loss in both eyes d. None of the above

total vision loss in both eyes