Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
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
|