Head and Neck Flashcards
The spongy bone layer between the dense outer and inner bone layers of the calvaria is called
A. Intramembranous bone
B. Lambda
C. Diploe
D. Calvaria
C. Diploe
What is the intersection of the sagittal and coronal sutures called?
A. Pterion
B. Bregma
C. Glabella
D. Lambda
B. Bregma
Vertebrae characterized by a toothlike process called “dens”
A. Atlas
B. AXis
C. C7
D.T1
B. AXis
Which muscle is primarily responsible for raising the eyebrows?
A. Orbicularis oris
B. Orbicularis oculi
C. Corrugators supercilli
D. Frontalis
D. Frontalis
Which bones articulates at the coronal suture?
A. Parietal and occipital bones
B. Parietal bones of either side
C. Frontal and parietal bones
D. Frontal and temporal bone
C. Frontal and parietal bones
A patient is involved in an accident which tears the left lateral pterygoid muscle completely. On attempting to open, the patients mandible will move
A. Left
B. Right
C. In elevating direction
D. In direct protruding direction
A. Left
An inflammatory process in the temporal bone has resulted in a swelling of the facial nerve within the facial canal. Which muscle may be paralyzed as a result of this compression?
A. Anterior belly of the digastric
B. Geniohyoid
C. Stapedius
D. Stylopharyngeus
E. Masseter
C. Stapedius
Pain sensation from the upper posterior pharynx is carried by which cranial nerve?
A. III
B. V
C. VIII
D.IX
E. X
D.IX
A patient is unable to close her right eye.Patient examination reveals weakness of the right orbicularis oculi. Which of the following additional symptoms would likely also be present?
A. Blurred vision
B. Hyperacusis
C. Inability to chew
D. Inability to feel face
E. Inability to shrug surface
B. Hyperacusis
Hyperacusis is a rare disorder that causes people to perceive sounds as much louder than they actually are
Stimulation and pressure on the ear canal can sometimes result in fainting. This is because the posterior half off the external ear canal receives innervation from the
A. Auricular branch of the vagus nerve
B. Auriculotemporal nerve
C. Greater auricular nerve
D. Lesser occipital nerve
E. Vestibulococchlear nerve
B. Auriculotemporal nerve
Which of the following cranial nerves carries the pain sensation from the tip of the tongue?
A. V2
B. V3
C. VII
D. IX
E. X
A. V2
The posterior belly of the digastrics is supplied by which of the following nerves?
A. Vagus
B. Facial
C. Trigeminal
D. Cervical spinal
B. Facial
If the tongue deviates to the right side when protruded, the most likely cause is paralysis of which of the following muscles?
A. Left genioglossus
B. Left hyoglossus
C. Left palatoglossus
D. Right genioglossus
E. Right hyoglossus
D. Right genioglossus
An angiographic study of the distal part of the circle of Willis requires access to the vertebral artery. Access to this artery can be obtained via the
A. Anterior triangle of the neck
B. Muscular triangle of the neck
C. Posterior triangle of the neck
D. Submental triangle
E. Suboccipital triangle
E. Suboccipital triangle
A knife wound to the faceselectively damages the facial nerve. Salivation from which of the following would be impaired?
A. Parotid and sublingual glands
B. Parotid and submandibular glands
C. Parotid gland only
D. Submental triangle
E. Submandibular and Sublingual gland
E. Submandibular and Sublingual gland
When a large bolus of food is swawllowed, the hyoid bone moves anteriorly to open the pharynx. The muscle responsible for this action is innervated by which of the following nerves?
A. C1 (ansa cervicalis)
B. Cn IX
C. Pharyngeal plexus
D. CN V3
E. CN VII
A. C1 (ansa cervicalis)
Contraction of which of the following muscles contributes to the backward movement of the lower jaw during the process of mastication?
A. Digastric
B. Lateral pterygoid
C. Medial pterygoid
D. Mylohyoid
E. Temporalis
E. Temporalis
IF a patient is unable to touch the tip of his tongue to the roof of his mouth, dysfunction of which of the following muscles is most likely the cause?
A. Buccinator
B. Geniohyoid
C. Palatoglossus
D. Palatopharyngeous
E. Tensor palatini
C. Palatoglossus
The parotid duct crosses the
A. Facial artery
B. Masseter muscle
C. Zygomaticus major
D. Lateral pterygoid
B. Masseter muscle
Which part of the hypothalamus controls satiety and would lead to obesity if destroyed?
A. Lateral nucleus
B. Septal nucleus
C. Suprachiasmatic nucleus
D. Supraoptic nucleus
E. Ventromedial nucleus
E. Ventromedial nucleus
During a cranial nerve test, the patient cannot elevate her righht eye from the abducted position. Which of the following muscles is paralyzed?
A. Right inferior oblique
B. Right inferior rectus
C. Right lateral rectus
D. Right superior oblique
E. Right superior rectus
E. Right superior rectus
The parotid duct pierces the buccinator muscle nearest to the maxillary
A. First molar
B. Second molar
C. Third molar
D. First premolar
E. Second premolar
A. First molar
Which of the following is the prime muscle in retracting and elevating the mandible?
A. Masseter
B. Digastric
C. Mylohyoid
D. Temporalis
E. Lateral pterygoid
D. Temporalis
Which of the following represents the posterior boundary of the oral cavity and the anterior boundary of the fauces?
A. Tonsil
B. Soft palate
C. Dorsum of the tongue
D. Palatopharyngeal arch
E. Palatoglossal arch
E. Palatoglossal arch
Which of the following muscles is involved in quiet respiration?
A. Rhomboid
B. Diaphragm
C. Subclavius
D. Sacrospinalis
E. Pectoralis major
B. Diaphragm
Which of the following groups of organs is retroperitoneal?
A. Pancreas, transverse colon, and descending colon
B. Pancreas, stomach and ovary
C. Kidney, transverse colon and ovary
D. Ureter, gallbladder and transverse colon
E. Kidney, adrenal and rectum
E. Kidney, adrenal and rectum
Which of the following is the lobe of the cerebral hemisphere that lies in the middle cranial fossa?
A. Frontal
B. Temporal
C. Occipital
D. Parietal
B. Temporal
The nasopalatine nerve reaches mucosa in the oral cavity via which of the following foramina?
A. Incisive
B. Infraorbital
C. Lesser palatine
D. Greater palatine
E. Pterygopalatine
A. Incisive
The primary function of the anterior portion of the temporalis muscle is to
A. Elevate the mandible only
B. Protrude the mandible only
C. Elevate and retrude the mandible
D. Help stabilize the articular disc
E. Move the mandible to the contralateral side
A. Elevate the mandible only
Which of the following nerves innervates the taste buds of the anterior-thirds of the tongue?
A. Vagus
B. Facial
C. Trigeminal
D. Hypoglossal
E. Glosssopharyngeal
B. Facial
A deviation of the tongue, when protruded, away from the midline results from damage to which of the following cranial nerves?
A. V
B. VII
C. X
D. Xi
E. XII
E. XII
Each of the following structures leaves the cranium by way of the jugular foramen except one. Which one is the exception?
A. Cranial nerve IX
B. Cranial nerve X
C. Cranial nerve XI
D. Cranial nerve XII
D. Cranial nerve XII
Stimulation of the lesser petrosal nerve in an adult causes secretion by which of the following glands?
A. Parotid
B. Lacrimal
C. Sublingual
D. Submandibular
E. Glands of the hard palate
A. Parotid
The nasolacrimal duct drains into which of the following?
A. Middle meatus
B. Inferior meatus
C. Superior meatus
D. Sphenoethmoidal recess
B. Inferior meatus
Which of the following nerves conducts sensory impulses for heat and cold from the tip of the tongue?
A. Inferior alveolar
B. Glossopharyngeal
C. Hypoglossal
D. Lingual
E. Facial
D. Lingual
Where does the submandibular duct open into the oral cavity?
A. At the sublingual caruncle(papilla)
B. Opposite the maxillary second molar
C. At the mandibular second molar
D. On the plica fimbriata
E. On the buccal frenum
A. At the sublingual caruncle(papilla)
Which of the following represents the V-shaped demarcation that separates the anterior two-thirds of the tongue from the posterior one-third?
A. Frenum
B. Foramen cecum
C. Lingual groove
D. Sublingual fold
E. Sulcus terminalis
E. Sulcus terminalis
The medial pterygoid muscle is attached to which of the following
A. Pterygoid hamulus
B. Lateral surface of the lateral pterygoid plate
C. Medial surface of the lateral pterygoid plate
D. Medial surface of the medial pterygoid plate
E. Lateral surface of the greater wing of the sphenoid
C. Medial surface of the lateral pterygoid plate
Which of the following muscles is responsible for the formation of the arch just anterior to the palatine tonsil?
A. Styloglossus
B. Palatoglossus
C. Stylopharyngeus
D. Palatopharygeus
E. Salpingopharygeus
B. Palatoglossus
A major sensory innervations of the temporomandibular joint is derived from which of the following nerves?
A. Great auricular
B. Auriculotemporal
C. Inferior alveolar
D. Posterior superior alveolar
E. Temporal branches of the facial
B. Auriculotemporal
The superior portion of the genioglossus muscles connects the
A. Tongue to the hyoid
B. Mandible to the hyoid
C. Tongue to the mandible
D. Styloid process of the skull to the mandible
C. Tongue to the mandible
Transmission of sound from the tympanic membrane to the cochlea is accomplished by which of the following?
A. Nerve fibers
B. Auditory ossicles
C. Wave characteristic of sound
D. Passage through a fluid filled compartment
E. Penetration of sound waves through thin membranes
\
B. Auditory ossicles
Which of the following serves as the principal sensory relay station in the brain?
A. Thalamus
B. Cerebellum
C. Basal ganglia
D. Sensory cortex
E. Substantia nigra
A. Thalamus
Which of the following muscles act to protrude the mandible?
A. Right and left masseter
B. Right and left temporalis
C. Right and left medial pterygoid
D. Right and left lateral pterygoid
E. Right and left anterior digastric
D. Right and left lateral pterygoid
Which of the following represents the only palatal muscle innervated by the trigeminal nerve?
A. Palatoglossus
B. Musculus uvulae
C. Palatopharyngeus
D. Tensor veli palatine
E. Levator veli palatine
D. Tensor veli palatine
The temporalis muscle inserts on the
A. Inferior temporal line
B. Lingual of the mandible
C. Condylar process and ramus of the mandible
D. Neck of the condylar process and body of the mandible
E. Coronoid process and anterior border of the ramus of the mandible
E. Coronoid process and anterior border of the ramus of the mandible
The lateral pterygoid muscle inserts into which of the following?
A. Articular disc of the temporomandibular joint and mandibular neck
B. Inferior aspect of the ramus of the mandible
C. Medial surface of the mandibular angle
D. Coronoid process of the mandible
E. Pterygomandibular raphe
A. Articular disc of the temporomandibular joint and mandibular neck
Which of the following passes through foramen ovale of the cranium?
A. Optic nerve
B. Mandibular nerve
C. Maxillary artery
D. Greater petrosal nerve
E. Middle meningeal artery
B. Mandibular nerve
The oral part of the pharynx communicates directly with the oral cavity and which of the following areas?
A. Trachea and esophagus
B. Trachea and maxillary sinus
C. Larynx and tympanic cavity
D. Laryngopharynx and nasopharynx
E. Laryngopharynx and nasal cavity
D. Laryngopharynx and nasopharynx
The sublingual caruncles are elevations that
A. Are also called sublingual folds
B. Are also located on both sides of the lingual frenum
C. Are caused by the underlying deep lingual veins
D. Contain the openings for all the sublingual ducts
E. Are related to the posterior aspect of the sublingual glands
B. Are also located on both sides of the lingual frenum
The platysma is supplied by a branch of which of the following cranial nerves?
A. V
B. VII
C. IX
D. X
E. XII
B. VII
The facial artery is usually a branch of which of the following arteries
A. External carotid
B. Internal carotid
C. Superior thyroid
D. Occipital
E. Maxillary
A. External carotid
Which of the following structures passes through the foramen rotundum?
A. Maxillary nerve
B. Zygomatic nerve
C. Mandibular nerve
D. Lacrimal artery
E. Maxillary artery
A. Maxillary nerve
Which of the following represents the major artery in the infratemporal fossa?
A. Superficial temporal
B. Mandibular
C. Maxillary
D. Lingual
E. Facial
C. Maxillary
An individual has an eye that is persistently directed toward his nose. A lesion of which of the following nerves could produce this finding?
A. CN III
B. CN IV
C. CN V
D. CN VI
E. CN VII
D. CN VI
Which of the following extraocular muscles is innervated by the abducens nerve?
A. Superior oblique muscle
B Medial rectus muscle
C. Inferior rectus muscle
D. Lateral rectus muscle
E. Superior rectus muscle
D. Lateral rectus muscle
In order to test for patency of the trochlear nerve, one should shine a light source directed at the pupil, and have patient follow it in what direction?
A. Superiorly
B. Superiorly and medially
C. Inferiorly
D. Laterally
E. Inferiorly and laterally
E. Inferior and laterally
All of the following blood vessels comprise the Circle of Willis except
A. Middle Cerebral artery
B. Posterior cerebral artery
C. Internal carotid artery
D. Posterior communicating artery
E. Anterior communicating artery
A. Middle cerebral artery
Each of the following bones are part of the orbit except
A. Frontal
B. Zygoma
C. Ethmoid
D. Lacrimal
E. Temporal
E. Temporal
Prior to the extraction, if an infection had formed at the root apices of tooth no. 17, which fascial plane would the infection most likely travel within?
A. Sublingual
B. Parapharyngeal
C. Masticator
D. Submandibular
E. Parotid
D. Submandibuular
All of the following are true regarding the nasolacrimal apparatus, except
A. The nasolacrimal duct empties into the superior meatus
B. Relative to the orbit, the nasolacrimal apparatus is located superolaterally
C. Tears wash across the globe in a superolateral - inferomedial direction
D. The lacrimal puncta collects tears then drains directly into the lacrimal canals
E. The lacrimal sac drains directly into the nasolacrimal duct
A. The nasolacrimal duct empties into the superior meatus
The platysma is innervated by which of the following nerves/
A. Trigeminal
B. Facial
C. Glossopharyngeal
D. Spinal accessory
E. Vagus
B. Facial
The pharyngeal plexus is comprised of which of the following combination of nerves?
A. Cn V, IX, X
B. CN IX , X, XII
C. CN IX, X, XI
D. CN V3
E. CN VIII
C. CN IX, X, XI
Which of the following nerves innervates the stapedius muscle of the middle ear?
A. CN V1
B CN V2
C. CN VII
D. CN V3
E. CN VIII
C. CN VII
The cribriform plate is located within which bone?
A. Sphenoid
B. Ethmoid
C. Frontal
D. Maxilla
E. Vomer
B. Ethmoid
