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41 Cards in this Set

  • Front
  • Back
Parasympathetic innervation controlling salivation originates with which of the following cranial nerves?

V, VII, IX, X, and XII
V, VII, IX, and X
V, IX, and X
VII, IX, and XI
VII and IX
VII and IX
The dentist incises the mucous membrane of the floor of the mouth. This incision extends from the molar region to the sublingual caruncle (papilla). Which of the following structural groups will be exposed first?

Sublingual gland, lingual nerves, and submandibular duct
Hyoglossus and mylohyoid muscles, and hypoglossal nerve
Lingual nerve, lingual artery, and anterior belly of the digastric muscle
Lingual nerve, hypoglossal nerve, and submental branch of the facial artery
Anterior belly of the digastric muscle, mylohyoid nerve, and submental branch of the facial artery
Sublingual gland, lingual nerves, and submandibular duct
As the subclavian vein crosses the first rib, it lies

anterior to the anterior scalene muscle.
posterior to the anterior scalene muscle.
posterior to the posterior scalene muscle.
between the anterior and the posterior scalene muscles.
between the scalene posterior and the levator scapulae muscles
anterior to the anterior scalene muscle.
Which of the following BEST describes the passage of material through the hepatic sinusoids?

Blood passes toward the central vein.
Bile passes peripherally toward the portal canal.
Lymph moves centrally to join the sublobular duct.
Lymph moves peripherally toward the space of Disse.
Blood passes peripherally away from the central vein.
Blood passes toward the central vein.
During an intraoral injection to the mandibular foramen, the needle passes through the mucous membrane and the buccinator muscle. As it does so, the needle lies

inferior to the mandibular lingula.
superior to the auriculotemporal nerve.
lateral to the neck of the mandible.
lateral to the medial pterygoid muscle.
lateral to the stylomandibular ligament.
lateral to the medial pterygoid muscle.
Which of the following nerves is the MOST likely to become injured in fractures of the mid-humeral shaft?

Ulnar
Radial
Median
Axillary
Musculocutaneous
Radial
The superior and inferior ophthalmic veins drain directly or indirectly into the

frontal vein.
cavernous sinus.
anterior facial vein.
internal jugular vein.
superior petrosal sinus
cavernous sinus.
Each of the following muscles receives motor innervation from the ansacervicalis EXCEPT one. Which one is this EXCEPTION?

Omohyoid
Thyrohyoid
Geniohyoid
Sternohyoid
Sternothyroid
Geniohyoid
Which of the following structures leaves an impression on the right lung?

Azygos vein
Right vagus nerve
Right phrenic nerve
Descending thoracic aorta
Right common carotid artery
Azygos vein
Tendons are comprised of which of the following types of collagenous connective tissue?

Areolar
Reticular
Dense regular
Dense irregular
Dense regular
Which of the following nerves innervates the trapezius muscle?

Radial
Axillary
Accessory
Thoracodorsal
Long thoracic
Accessory
The lateral pterygoid muscle inserts into which of the following?

Condylar process only
Medial aspect of the mandibular ramus
Articular disk of the temporomandibular joint only
Articular disk of the temporomandibular joint and neck of the mandible
Articular disk of the temporomandibular joint and coronoid process
Articular disk of the temporomandibular joint and neck of the mandible
Each of the following structures is an opening into the pterygopalatine fossa EXCEPT one. Which one is this EXCEPTION?

Facial canal
Pterygoid canal
Pharyngeal canal
Sphenopalatine foramen
Pterygomaxillary fissure
Facial canal
Which of the following explains why the Barr body found in certain epithelial cells is significant?

It suggests mitotic activity.
It indicates protein synthesis.
It indicates a metaplasmic change.
It is a symptom of nuclear disintegration.
It assists in differentiating between the sexes
It assists in differentiating between the sexes
The lymph vessels that drain both dental arches connect directly with which of the following nodes?

Submandibular
Deep cervical
Sublingual
Retropharyngeal
Superficial cervical
Submandibular
Some medications can be absorbed through the mucosa of the tongue's ventral surface and through the mucosa of the floor of the mouth. This absorption can take place in these areas because the mucosa is

covered by pseudostratified squamous epithelium.
covered by simple squamous epithelium with a vascular lamina propria.
covered by thin nonkeratinized stratified squamous epithelium with a thin lamina propria.
covered by keratinized stratified squamous epithelium that contains numerous capillaries.
pierced by the ducts of numerous minor salivary glands through which some types of medication are easily absorbed.
covered by thin nonkeratinized stratified squamous epithelium with a thin lamina propria.
The vertebral artery is a branch of the

brachiocephalic artery.
external carotid artery.
internal carotid artery,
subclavian artery.
thyrocervical trunk.
subclavian artery.
The muscle that is the prime mover in left lateral excursion is the

right masseter.
left medial pterygoid.
right medial pterygoid.
left lateral pterygoid.
right lateral pterygoid.
right lateral pterygoid.
Each of the following structures lies between the hyoglossus and the mylohyoid muscles EXCEPT one. Which one is this EXCEPTION?

Lingual nerve
Lingual artery
Sublingual gland
Submandibular duct
Hypoglossal nerve
Lingual artery
Which of the following cranial nerves contain parasympathetic preganglionic fibers?

II, III, IV, and V
III, IV, V, and VI
III, V, VII, and IX
III, VII, IX, and X
VII, IX, X, and XI
III, VII, IX, and X
The core of a cilium is composed of

microvilli.
microtubules.
microfibrils.
tonofilaments.
microfilaments.
microtubules
Each of the following enters the orbit by way of the superior orbital fissure EXCEPT one. Which one is this EXCEPTION?

Abducens nerve
Trochlear nerve
Oculomotor nerve
Ophthalmic artery
Ophthalmic division of the trigeminal nerve
Ophthalmic artery
The capacity of the tongue for forceful movement depends on striated muscle supplied by which of the following cranial nerves?

V
VII
IX
X
XII
XII
Enlargement of the third ventricle and both lateral ventricles is caused by obstruction of the

cerebral aqueduct.
foramen of Magendie.
foramina of Luschka.
interventricular foramina of Monro
cerebral aqueduct.
Melanocytes are derived from which of the following?

Ectoderm
Endoderm
Mesoderm
Dermatomes
Neural crest
Neural crest
Cementum differs from dentin in that cementum

contains more inorganic material than dentin.
is not formed following eruption of the tooth.
can contain cells, whereas dentin contains cells as well as cell processes.
is produced by cells of the periodontal ligament, but dentin is produced by pulp cells.
contains some elastic fibers, whereas dentin contains only collagenous fibers.
is produced by cells of the periodontal ligament, but dentin is produced by pulp cells.
Highly skilled, discrete motor activity of the hand is dependent on which of the following cortical areas of the hemisphere?

Transverse temporal gyrus
Angular gyrus of the parietal lobe
Precentral gyrus of the frontal lobe
Paracentral lobule on the medial surface
Precentral gyrus of the frontal lobe
Compared with intertubular dentin, peritubular dentin is characterized by which of the following?

Greater stainability
Higher quantity of fluids
Lesser content of inorganic salts
Greater content of inorganic salts
Greater content of large collagen fibers
Greater content of inorganic salts
Which of the following represents the location of the cell bodies of pain fibers in the glossopharyngeal nerve?

Otic ganglion
Nucleus ambiguus
Trigeminal (semilunar) ganglion
Spinal nucleus of cranial nerve V
Superior ganglion of cranial nerve IX
Superior ganglion of cranial nerve IX
The lingula of the mandible serves as an attachment for which of the following?

Temporalis
Stylomandibular ligament
Sphenomandibular ligament
Temporomandibular ligament
Tendon of the digastric muscle
Sphenomandibular ligament
In the developing embryo the palate is separated from the lip by a shallow sulcus in the depths of which two epithelial laminae arise. The outer lamina is the

dental lamina for primary teeth.
dental lamina for permanent teeth.
primordium of the parotid gland.
primordium of the buccal frenula.
vestibular lamina.
vestibular lamina.
Which of the following is derived from ectomesenchyme?

Ameloblasts
Odontoblasts
Stellate reticulum
Stratum intermedium
Reduced enamel epithelium
Odontoblasts
Each of the following embryologic structures is derived from the first branchial arch EXCEPT one. Which one is this EXCEPTION?

Tuberculum impar
Maxillary process
Mandibular process
lntermaxillary process
Lateral lingual swelling
lntermaxillary process
Salivary gland striated ducts are composed of which of the following types of epithelium?

Simple squamous
Simple cuboidal
Stratified squamous
Simple low columnular
Psuedostratified ciliated columnar
Simple low columnular
Which of the following muscles insert(s) onto the neck of the condyle?

Masseter
Temporalis
Lateral pterygoid
Medial pterygoid
Lateral pterygoid
Which of the following are pure serous glands?

Sublingual glands
Glands of Brunner
Submandibular glands
Glands of von Ebner
Glands of Blandin-Nuhn
Glands of von Ebner
Which of the following structures contacts posteriorly with the isthmus of the thyroid gland?

Larynx
Pharynx
Trachea
Esophagus
Carotid sheath
Trachea
The infrahyoid muscles receive their motor innervation from which of the following?

Vagus nerve
Supraclavicular nerves
Brachial plexus
Pharyngeal plexus
Branches of the cervical plexus
Branches of the cervical plexus
Which of the following types of tissues can be demonstrated on the posterior slope of the articular eminence?

Hyaline cartilage
Fibrocartilage
Fibrous connective tissue
Articular cartilage
Elastic cartilage
Fibrous connective tissue
Dentinal tubules are S-shaped in the crown of the tooth due to the

incremental pattern.
epithelial diaphragm.
crowding of odontoblasts.
formation of peritubular dentin.
calcification pattern of maturing dentin.
crowding of odontoblasts
Fracture of the hamulus affects the action of which of the following muscles?

Superior constrictor of the pharynx
Levator veli palatini
Tensor veli palatini
Salpingopharyngeus
Buccinator
Tensor veli palatini