Download Head and Neck Quiz

Head and Neck Quiz
NECK REGION
1.
The ultimate lymphatic drainage from an infection of the head or neck is to the inferior deep cervical
lymph nodes located along the
A) parotid gland.
B) lower border of the mandible.
C) internal carotid artery in the neck.
D) internal jugular vein.
E) retromandibular vein.
2.
Axons which pass through the ventral ramus of spinal nerve C2 contribute to the innervation of the
A) skin of the posterior triangle near the acromioclavicular joint.
B) thyrohyoid muscle.
C) diaphragm.
D) skin overlying the clavicle.
E) skin overlying the cricothyroid ligament.
3.
The ____________ lies posterior to the carotid sheath and within the prevertebral fascia.
A) internal jugular vein
B) vagus nerve
C) stylohyoid muscle
D) sympathetic trunk
E) ascending pharyngeal artery
4.
A surgical procedure for mobilization of the upper part of a lobe of the thyroid gland can injure the
________ laryngeal nerve and produce weakness of the _________ muscle, whose action is tensing the
vocal cords.
A) superior --- cricothyroid
B) superior --- posterior cricoarytenoid
C) external --- cricothyroid
D) external --- posterior cricoarytenoid
E) internal --- cricothyroid
F) internal --- posterior cricoarytenoid
5.
Innervation of skin overlying the frontonasal suture is by _________ axons in a terminal branch of the
____________ nerve.
A) SA (special afferent) --- Maxillary
B) SA (special afferent) --- Ophthalmic
C) GA (general afferent) --- Maxillary
D) GA (general afferent) --- Ophthalmic
E) transverse cervical
6.
When a midline incision is made between tracheal rings 1 and 2 to gain access into the trachea, the
incision will
A) be inferior to the isthmus of the thyroid gland.
B) be superior to the level of cervical vertebra 6.
C) probably not damage either recurrent laryngeal nerve.
D) probably endanger a pyramidal lobe of the thyroid gland if present.
7.
The carotid pulse should be palpated along the _______ border of the sternocleidomastoid muscle in
the horizontal plane between the ___________.
A) medial --- inferior border of mandible and the hyoid bone
B) medial --- hyoid bone and the thyroid cartilage
C) medial --- cricoid cartilage and the first tracheal ring
D) lateral --- inferior border of mandible and the hyoid bone
E) lateral --- hyoid bone and the thyroid cartilage
F) lateral --- cricoid cartilage and the first tracheal ring
8.
To insert a catheter for the administration of chemotherapy, a needle puncture of the right internal
jugular vein can be achieved by directing the needle tip
A) just anterior to the mastoid process.
B) between the sternal and clavicular heads of the sternocleidomastoid muscle.
C) just superior to the jugular notch.
D) just inferior to the midpoint of the inferior border of the mandible.
FACE AND INFRATEMPORAL FOSSA
9.
The bilateral action of the ______________ muscles pulls the articular disc and condyle of the
temporomandibular joint anteriorly, causing protrusion of the mandible.
A) temporalis
B) lateral pterygoid
C) masseter
D) buccinator
E) medial pterygoid
10.
At the point of emergence of the parotid duct from its gland, the duct is _________ to the masseter
muscle. The external carotid artery with its sympathetic nerve plexus is ___________ to the facial nerve
within the parotid gland.
A) lateral --- lateral
B) lateral --- medial
C) medial --- lateral
D) medial --- medial
11.
Edema of the parotid gland will compress the buccal branch of the ____________ nerve and the
__________ vein, because the gland is tightly enclosed with the investing layer of deep cervical fascia.
A) facial (VII) --- facial
B) facial (VII) --- retromandibular
C) mandibular (V3) --- facial
D) mandibular (V3) --- retromandibular
12.
The cell bodies of the presynaptic (preganglionic) parasympathetic secretomotor axons in the pathway
to the sublingual gland are located in the __________. The postsynaptic (postganglionic) axons
piggyback on the __________ nerve.
A) submandibular ganglion --- lingual
B) submandibular ganglion --- lesser petrosal
C) submandibular ganglion --- chorda tympani
D) nucleus of the facial nerve (VII) --- lingual
E) nucleus of the facial nerve (VII) --- lesser petrosal
F) nucleus of the facial nerve (VII) --- chorda tympani
13.
You have accidentally bitten the tip of your tongue. The cell bodies of the sensory neurons mediating
the pain that you would feel are located in the
A) semilunar ganglion of the trigeminal nerve (V).
B) geniculate ganglion of the facial nerve (VII).
C) ganglia of the glossopharyngeal nerve (IX).
D) ganglia of the vagus nerve (X).
14.
The upper eyelid is __________ by a branch of the facial nerve (VII) that contains __________ axons and
passes through the ___________.
A) raised --- SVE --- carotid canal
B) raised --- SVE --- stylomastoid foramen
C) raised --- GVE --- carotid canal
D) raised --- GVE --- stylomastoid foramen
E) closed --- SVE --- carotid canal
F) closed --- SVE --- stylomastoid foramen
G) closed --- GVE --- carotid canal
H) closed --- GVE --- stylomastoid foramen
15.
Neurons in the otic ganglion receive their presynaptic (preganglionic) input from a branch of the
__________ nerve and cause the secretion of saliva by the _________ gland.
A) facial (VII) --- parotid
B) facial (VII) --- submandibular
C) glossopharyngeal (IX) --- parotid
D) glossopharyngeal (IX) --- submandibular
16.
The infratemporal fossa directly communicates with the middle cranial fossa via the
A) foramen spinosum and foramen ovale.
B) foramen ovale and foramen rotundum.
C) foramen rotundum and internal acoustic meatus.
D) internal acoustic meatus and superior orbital fissure.
17.
An infection from a pimple spreads from the region just lateral to the ala of the nostril. Select one of the
following list of veins as a possible route for an infection to spread from this region to the cavernous
sinus (CS).
A) external nasal - angular - inferior ophthalmic - superior ophthalmic - CS
B) facial - angular - superior ophthalmic - CS
C) facial - deep facial - pterygoid plexus - emissary - CS
D) All of the above routes are possible.
18.
During an arteriogram study of the external carotid artery, the _________ artery will start filling last (in
the lateral projection), assuming a normal branching pattern.
A) middle meningeal
B) facial
C) occipital
D) superficial temporal
19.
A 65-year-old man complained to his dentist of excruciating pain on the left side of his face and jaw. The
pain was increasing in severity and seemed to be triggered by chewing although a dentist ruled out any
problems with his teeth. The patient complained of pain in the region of the left upper lip and cheek
that often radiated to the side of the nose and the lower eyelid. He sometimes experienced pain on the
inside of the left cheek and deep in the nose. The neurologist observed no gross abnormality or
inflammation inside the mouth or the nose. There was no tenderness or abnormality of sensation on the
forehead or scalp. The symptoms described most likely suggest some pathology associated with the left
___________ nerve.
A) facial (VII)
B) mandibular (V3)
C) maxillary (V2)
D) ophthalmic (V1)
20.
The buccal branch of the ___________ nerve provides sensory innervation from the ________ of the
cheek.
A) mandibular (V3) --- skin but not mucous membrane
B) mandibular (V3) --- mucous membrane but not skin
C) mandibular (V3) --- skin and mucous membrane
D) facial (VII) --- skin but not mucous membrane
E) facial (VII) --- mucous membrane but not skin
F) facial (VII) --- skin and mucous membrane
21.
The foramen spinosum connects the
A) middle cranial fossa and orbit.
B) orbit and pterygopalatine fossa.
C) pterygopalatine fossa and infratemporal fossa.
D) infratemporal fossa and middle cranial fossa.
22.
Sectioning both lingual nerves near the foramina ovale within the infratemporal fossae would produce a
loss of
A) taste from most of the anterior 2/3rds of the tongue.
B) secretomotor innervation to the submandibular and sublingual glands.
C) general sensation from most of the anterior 2/3rds of the tongue.
D) muscle control of the tongue.
E) speech.
23.
Branches of the maxillary artery will supply all or part of the
A) dura mater.
B) lateral pterygoid muscle.
C) maxillary teeth.
D) skin of the face.
E) All of the above are correct.
F) .
CRANIAL CAVITY, SCALP AND ORBIT
24.
Imagine that you have entered the cafeteria and detect a dish that smells delicious. You raise your
eyebrows in surprise. This action is accomplished by contraction of the ___________ muscle.
A) orbicularis oculi
B) occipitofrontalis
C) temporalis
D) levator palpebrae superiorus
25.
Imagine a normal radiograph of the skull taken in a PA projection. All of the following pairs of structures
will be at least partially superimposed on the image EXCEPT the
A) foramen rotundum and orbit.
B) lambdoid suture and orbit.
C) petrous ridge (of temporal bone) and orbit.
D) dens of axis and maxilla.
26.
The supratrochlear nerve is a terminal branch of the ________ nerve and supplies general afferent (GA)
innervation for touch and pain sensation to skin in the ___________ region of the upper eyelid.
A) frontal --- lateral
B) frontal --- medial
C) lacrimal --- lateral
D) lacrimal --- medial
27.
Facial nerve (Bell's) palsy results in paralysis of the _________ muscle leaving the patient unable to
__________ the eye.
A) orbicularis oculi --- close
B) orbicularis oculi --- open
C) levator palpebrae superioris --- close
D) lavator palpebrae superioris --- open
28.
The internal carotid system of arteries connects with the external carotid system of arteries through an
anastomosis between the __________ arteries.
A) posterior cerebral and basilar
B) superior laryngeal and lingual
C) supraorbital and lacrimal
D) superficial temporal and supraorbital
E) posterior auricular and occipital
29.
Lymph from the scalp over the pterion drains into the deep cervical nodes after passing through the
___________ nodes.
A) parotid
B) mastoid
C) occipital
D) buccal
30.
The frontal sinuses are innervated by branches of the _____________ nerves. The cell bodies of axons
carrying general sensation (GA) from the mucosal lining are located in the __________ ganglion.
A) lacrimal --- semilunar (trigeminal)
B) lacrimal --- ciliary
C) supraorbital --- semilunar (trigeminal)
D) supraorbital --- ciliary
31.
Damage to the superior cervical ganglion will interrupt __________ sympathetic axons that reach the
dilator of the pupil most directly by traveling on the _____________ carotid artery and its branches.
A) presynaptic (preganglionic) --- external
B) presynaptic (preganglionic) --- internal
C) postsynaptic (postganglionic) --- external
D) postsynaptic (postganglionic) --- internal
32.
A transverse dural sinus can communicate directly with ______________ sinus.
A) the straight
B) an inferior petrosal
C) the inferior sagittal
D) an intercavernous
33.
The main vessels of the scalp are located in the _______________ layer.
A) skin
B) superficial fascia (dense connective tissue)
C) galea (epicranial) aponeurotica / muscular
D) loose subaponeurotic connective tissue
E) pericranium / periosteal
34.
An elderly man collapsed and fell to the floor. Radiographs showed a fracture of the anterior cranial
fossa. The patient was unable to smell food. Therefore, the _____________ was the most likely site of
fracture to cause this symptom.
A) orbital plate of the frontal bone
B) nasal bone
C) vomer
D) cribiform plate
E) petrous part of temporal bone
35.
Ducts of the lacrimal gland drain tears directly into the
A) lacrimal sac.
B) lacrimal canaliculi.
C) superior fornix of the conjunctival sac.
D) inferior fornix of the conjunctival sac.
E) nasolacrimal duct.
36.
There are no lymph nodes located in the
A) pharynx.
B) floor of the mouth.
C) face.
D) brain.
37.
Fractures of the middle cranial fossa can lead to bleeding from the cavernous sinus. Blood may leak
medially from the cavernous sinus into the ______________ and then drain to the nasal cavity. If the
lateral wall of the cavernous sinus is torn, the __________ nerve may also be damaged.
A) sphenoid sinus --- mandibular (V3)
B) sphenoid sinus --- trochlear (IV)
C) internal acoustic meatus --- mandibular (V3)
D) internal acoustic meatus --- trochlear (IV)
E) frontal sinus --- mandibular (V3)
F) frontal sinus --- trochlear (IV)
38.
A blood clot has occluded a branch of the right internal carotid artery within the optic foramen. The flow
of blood in the _________ artery would most probably reverse.
A) right superficial temporal
B) right supraorbital
C) right middle cerebral
D) left superficial temporal
E) left supraorbital
F) left middle cerebral
39.
A patient develops atherosclerosis at the origin of the left internal carotid artery that gradually
diminishes the blood flow through that vessel. A normal connection that will carry blood DIRECTLY into
the left internal carotid system distal to the plaque is the
A) anastomosis between the left transverse cervical artery and left occipital artery.
B) anterior communicating artery.
C) anastomosis between the left facial artery and left infraorbital artery.
D) anastomosis between the left superficial temporal artery and left occipital artery.
40.
Constant and severe headaches could be due to an irritative lesion which involves afferent meningeal
branches of a nerve. At its origin from the central nervous system (CNS), the _____________ carries
such sensory axons.
A) trigeminal nerve (V) and the upper cervical dorsal roots
B) upper cervical dorsal roots and the vagus nerve (X)
C) vagus (X) and glossopharyngeal (IX) nerves
D) glossopharyngeal (IX) and trigeminal (V) nerves
41.
A small tumor growing from the ventral surface of the brain compresses most of the course of the
basilar artery in the __________ cranial fossa. At this site, the tumor is most likely to also compress the
direct drainage of the blood sinus to the _________.
A) A. middle --- bulb of the internal jugular vein
B) B. middle --- pterygoid venous plexus
C) C. middle --- epidural vertebral venous plexus
D) D. posterior --- bulb of the internal jugular vein
E) E. posterior --- pterygoid venous plexus
F) F. posterior --- epidural vertebral venous plexus
PREVERTEBRAL REGION, PHARYNX AND LARYNX
42.
During a tonsillectomy, a pulsating hemorrhage occurs from the palatine tonsillar bed. A branch of the
___________ artery provides the principal blood supply to this area.
A) transverse facial
B) facial
C) superior thyroid
D) inferior thyroid
43.
The pharyngeal tonsils (also known as adenoids, if inflamed) are just deep to the mucous membrane
that covers part of the
A) uvula.
B) palatoglossal and palatopharyngeal folds.
C) posterior 1/3 of the tongue.
D) sphenoid and occipital bones.
E) inferior nasal concha.
44.
You are starving after Gross Anatomy lab and wolf down a hot slice of pizza. The general afferent (GA)
axons providing pain sensation to the roof of the mouth are found in the ____________ nerves.
A) nasopalatine and greater palatine
B) greater palatine and greater petrosal
C) greater petrosal and buccal branch of V3
D) buccal branch of V3 and posterior superior alveolar
45.
During a thyroidectomy Dr. X inadvertently severed the patient's right recurrent laryngeal nerve.
Subsequently, when the patient said "Ahhh" his uvula was __________. When he breathed deeply, his
right true vocal fold was _________ a paramedian position.
A) in the midline --- in
B) deviated toward the right --- in
C) deviated toward the right --- lateral to
D) deviated toward the left --- in
E) deviated toward the left --- lateral to
46.
A palatine tonsillar abscess would lie between the arches formed by the palatopharyngeus and
____________ muscles.
A) salpingopharyngeus
B) palatoglossus
C) stylopharyngeus
D) hyoglossus
47.
To initiate the 2nd stage of swallowing, a foreign object or substance must touch a part of the mucous
membrane of the oropharynx that is innervated by nerve IX (glossopharyngeal) or nerve
_____________. This sensory stimulation initiates a fixed action pattern of _______________ muscle
contraction that carries the bolus toward the stomach.
A) X (vagus) --- smooth
B) X (vagus) --- skeletal
C) XII (hypoglossal) --- smooth
D) XII (hypoglossal) --- skeletal
48.
A tumor of the posterior wall of the pharynx develops in the retropharyngeal space at the level between
the hyoid bone and thyroid cartilage. As the tumor grows to the left it presses on structures that are
immediately lateral to the pharyngeal constrictor wall in the neck at that level. Select the EARLIEST signs
likely to occur in the patient as the tumor enlarges.
A) difficulty in flexion and rotation of the head due to paralysis of the left sternocleidomastoid
B) compression of the internal carotid artery leading to stroke
C) difficulty swallowing (dysphagia) due to paralysis of stylopharyngeus and numbness and loss of taste
in the posterior third of the tongue
D) loss of sweating on the face, a constricted pupil and ptosis
49.
The movements of the palate and pharyngeal wall during swallowing _________ voluntary and
_________ require proprioceptive sensory input to assure their orderly sequence.
A) are --- do
B) are --- do not
C) are not --- do
D) are not --- do not
50.
A patient will be completely unable to swallow following destruction of
A) a lingual nerve in the infratemporal fossa during a dental procedure.
B) sensory nerve endings in the oral pharynx by diptheria toxin.
C) a facial nerve proper (VII) during a forceps delivery.
D) alpha motor neurons in a trigeminal (V) nucleus by a tumor in the brain stem.
51.
A singer can raise the pitch of a tone by _________ the speed of vibration of the vocal folds. One of the
ways this can be accomplished is by ___________ the width of the rima glottidis.
A) increasing --- decreasing
B) increasing --- increasing
C) decreasing --- decreasing
D) decreasing --- increasing
52.
The vomer is in the ________ plane.
A) coronal
B) horizontal (transverse)
C) sagittal
53.
A medical student is attempting to place a respiratory tube in a patient's mouth and oropharynx to
establish an airway to the lungs. The tube descends and passes posterior to the epiglottis, lateral to the
aryepiglottic fold, outside of the vestibule and medial to the thyrohyoid membrane and can be pushed
no further. The tube is passing through part or all of the
A) rima glottidis.
B) infraglottic compartment.
C) trachea.
D) laryngopharynx.
E) esophagus.
54.
A major landmark used in catheterization of the auditory (pharyngotympanic; Eustachian) tube is the
cartilaginous elevation immediately posterior to its opening called the __________. Posterior to the
elevation is the _________ recess.
A) choana --- pharyngeal
B) choana --- piriform
C) torus tubarius --- pharyngeal
D) torus tubarius --- piriform
E) inferior concha --- pharyngeal
F) inferior concha --- piriform
55.
Any condition that restricts the action of the posterior cricoarytenoid muscles will compromise
A) relaxation of the vocal ligaments.
B) closure of the laryngeal inlet.
C) tension of the vocal cords.
D) abduction of the vocal cords.
E) adduction of the arytenoid cartilages.
56.
The piriform recess (fossa) is part of the __________ pharynx and is ____________ to a lamina of the
thyroid cartilage.
A) laryngeal --- medial
B) laryngeal --- lateral
C) oral --- medial
D) oral --- lateral
The following refers to Q117-118.
A 30-year-old man was eating a fish dinner. A fish bone lodged in his throat and he suddenly started to
choke. An emergency room physician located the bone in the piriform recess (fossa).
57.
The choking and coughing occurred because the bone irritated the ________ laryngeal nerves where
they underlie the mucous membrane of the piriform recess. Both of these nerves carry GA (General
Afferent) and __________ axons to the larynx. The bone was successfully removed and the man became
a vegetarian.
A) external and internal --- SVE (Special Visceral Efferent)
B) external and internal --- GVE (General Visceral Efferent)
C) external and recurrent (inferior) --- SVE (Special Visceral Efferent)
D) external and recurrent (inferior) --- GVE (General Visceral Efferent)
E) internal and recurrent (inferior) --- SVE (Special Visceral Efferent)
F) internal and recurrent (inferior) --- GVE (General Visceral Efferent)
NASAL CAVITY, PARANASAL SINUSES, PTERYGOPALATINE FOSSA, ORAL CAVITY
58.
A tumor confined to the superior meatus of the nasal cavity could block drainage of the ___________
paranasal air sinus(es).
A) posterior ethmoidal
B) frontal
C) maxillary
D) anterior ethmoidal
59.
The sphenopalatine foramen provides a direct communication between the pterygopalatine fossa and
the
A) orbit.
B) middle cranial fossa.
C) palate.
D) nasal cavity.
60.
A malignant tumor in the region of the _________ of the tongue will usually metastasize directly to the
_________ nodes without passing through any other group of nodes.
A) root --- submandibular
B) root --- deep cervical
C) tip (apex) --- submandibular
D) tip (apex) --- deep cervical
61.
Mucous glands in the mucosa of the nasal septum are innervated by ___________ parasympathetic
axons that travel in the ____________ nerve.
A) presynaptic (preganglionic) --- greater palatine
B) presynaptic (preganglionic) --- nasopalatine
C) postsynaptic (postganglionic) --- greater palatine
D) postsynaptic (postganglionic) --- nasopalatine
62.
The most superficial visible structure on the sublingual (ventral; inferior) surface of the tongue in living
individuals is the
A) lingual nerve.
B) deep lingual vein.
C) sublingual branch of the lingual artery.
D) anterior belly of the digastric muscle.
E) mylohyoid muscle.
63.
The lymphatics from a malignancy at the tip of the tongue and central part of the lower lip would usually
drain directly to the _______ lymph nodes.
A) superior deep cervical
B) submental
C) mastoid
D) inferior deep cervical
64.
Inflammation of the _________ sinus may produce dental symptoms, because some of the nerves
innervating the teeth lie in the wall of the sinus.
A) frontal
B) maxillary
C) anterior ethmoid
D) sphenoid
E) posterior ethmoid
65.
In a healthy person, the sphenoid sinus is filled with
A) air.
B) venous blood.
C) mucus.
D) cerebrospinal fluid.
66.
In an operating room (not at Downstate) an endotracheal tube was inserted through the nasal cavity too
forcefully pushing through the posterior pharyngeal wall directly into the ________________ with
serious hemorrhage from injury to the ascending pharyngeal artery, a branch of the __________ artery.
A) carotid sheath --- external carotid
B) carotid sheath --- vertebral
C) retropharyngeal (prevertebral) space --- external carotid
D) retropharyngeal (prevertebral) space --- vertebral
67.
An infection in the middle meatus can spread directly into the ____________ sinuses through natural
openings.
A) anterior and middle ethmoidal
B) middle and posterior ethmoidal
C) posterior ethmoidal sinuses and sphenoid
D) sphenoid sinuses and anterior ethmoidal
68.
The duct of the submandibular gland empties into the oral cavity
A) at the base of the tongue via the foramen cecum.
B) opposite the mandibular second molar.
C) via several small openings along the sublingual fold (plica sublingualis).
D) just lateral to the base of the lingual frenulum.
E) opposite the maxillary second molar.
69.
A patient complains of having difficulty speaking and eating for several months. Upon examination, you
see that the right half of his tongue is atrophied. You therefore suspect that there has been nerve
damage on one side. In order to confirm your suspicions, you ask the patient to stick out his tongue. The
_________ muscle contributes to protrusion of the tongue and would be paralyzed by the nerve damage
you suspected above. Because of the unilateral paralysis of this muscle, the tongue deviates to the
________ side when protruded.
A) genioglossus --- right
B) genioglossus --- left
C) hyoglossus --- right
D) hyoglossus --- left
E) palatoglossus --- right
F) palatoglossus --- left
70.
Two patients present with malignant tumors in the right half of the oral cavity, both probably from
decades of chewing tobacco. Patient X has a tumor on the tongue posterior to the sulcus terminalis in
the region of the right lingual tonsils near the epiglottis. The tumor of patient Y is located on the mucous
membrane of the cheek near the parotid papilla. Metastasis (spread) of the cancer cells to the thoracic
region occurs more quickly in patient ___________ because the tumor cells spread directly to the group
of cervical lymph nodes that lie ___________ to the sternocleidomastoid muscle without passing
through any intermediary group of lymph nodes.
A) X --- superficial
B) X --- deep
C) Y --- superficial
D) Y --- deep
71.
The lymphatic drainage of the tumor of patient X is ____________. The metastatic cells from his tumor
can pass through the __________.
A) unilateral --- right lymphatic duct and not the thoracic duct
B) unilateral --- thoracic duct and not the right lymphatic duct
C) unilateral --- both the thoracic duct and the right lymphatic duct
D) bilateral --- right lymphatic duct and not the thoracic duct
E) bilateral --- thoracic duct and not the right lymphatic duct
F) bilateral --- both the thoracic duct and the right lymphatic duct
72.
A patient complains of having difficulty speaking and eating for several months. During your
examination you ask him to open his mouth and say Ahhhhh. The right side of the palate rises, and the
uvula deviates toward the right side. You therefore expect that the __________ nerve on the
__________ side has been damaged.
A) glossopharyngeal (IX) --- right
B) glossopharyngeal (IX) --- left
C) vagus (X) --- right
D) vagus (X) --- left
E) maxillary (V2) --- right
F) maxillary (V2) --- left
73.
Injection of anesthetic into the incisive foramen will anesthetize part of the mucosa of the
A) lateral wall of the nasal cavity and nasal septum.
B) nasal septum and hard palate.
C) hard palate and soft palate.
D) soft palate and upper lip.
DEVELOPMENTAL ANATOMY QUESTIONS
74.
The hard and soft palates form mainly during the _______ period from the fusion of the _______
processes.
A) embryonic --- medial and lateral nasal
B) embryonic --- medial nasal and maxillary
C) embryonic --- maxillary and lateral nasal
D) fetal --- medial and lateral nasal
E) fetal --- medial nasal and maxillary
F) fetal --- maxillary and lateral nasal
75.
The ____________ are both derived from endoderm of the pharyngeal pouches.
A) lacrimal gland and epithelium of the external auditory meatus
B) epithelium of external auditory meatus and tooth enamel
C) tooth enamel and palatine tonsils
D) palatine tonsils and parathyroid glands
E) parathyroid glands and lacrimal glands
76.
The embryonic arch cartilages of the first pharyngeal arch will differentiate directly or indirectly into the
A) thyroid cartilage and 2 ossicles of the ear.
B) 2 ossicles of the ear and the styloid process.
C) styloid process and the temporalis muscle.
D) the temporalis muscle and the mandible.
E) mandible and the sphenomandibular ligament.
77.
The epithelium that lines the middle ear (tympanic) cavity and covers the ossicles is derived from the
surface of the ____________ pharyngeal (branchial) __________.
A) first --- groove (cleft)
B) first --- pouch
C) second --- groove (cleft)
D) second --- pouch
78.
Skeletal muscles in the tongue (excluding palatoglossus) are derived from myoblasts that migrated from
__________ accompanied by the _________ nerve.
A) the neural crest --- hypoglossal
B) the neural crest --- glossopharyngeal
C) occipital somites --- hypoglossal
D) occipital somites --- glossopharyngeal