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RUDMAN ANATOMIC SCIENCES TEST II

Terms in this set (25)

As seen in a buccolingual section through a tooth and its related gingiva, the separation between free gingva and attached gingiva extends between the
A. bottom of the gingival sulcus and the free gingival groove
B. apical margin of the epithelial attachment and the alveolar crest
C. apical margin of the epithelial attachment and the alveolar crest
D. apical margin of the epithelial attachment and the free gingival groove
E. apical margin of the gingival sulcus
B. APICAL MARGIN OF THE EPITHELIAL ATTACHMENT AND THE ALVEOLAR CREST
The maxillary sinus opens into the
A. MIDDLE MEATUS
B. INFERIOR MEATUS
C. SUPERIOR MEATUS
D. SUPERIOR CONCHA
E. SPHENOETHMOIDAL RECESS
A. MIDDLE MEATUS
The portion of the hard palate located directly posterior to the maxillary central incisors is derived from the
A. first branchial arch
B. median nasal process
C. second branchial arch
D. lateral nasal process
E. palatal processes of the maxillary process
B. MEDIAN NASAL PROCESS
During development of a tooth, the continuity of Hertwig's epithelial root sheath must be interrupted so that
A. the tooth may erupt
B. the root may elongate
C. amelogenesis may begin
D. cementogenesis may begin
E. predentin calcification may begin
D. CEMENTOGENESIS MAY BEGIN
The glands located in the posterolateral area of the hard palate are characterized by
A. Being essentially serous in type and by possessing long intercalated ducts
B. Arising from the ectoderm and being separated by connective tissue septa
C. Having a stroma composed mainly of elastic fibers and by secreting intermittently
D. Lacking basket cells around the acini and by producing a thin type of saliva
E. Arising from endoderm and producing heavy saliva
B. ARISING FROM ECTODERM AND BEING SEPARATED BY CONNECTIVE TISSUE SEPTA
The oldest enamel in the fully erupted first molar is located at the
A. cervix of the tooth
B. oral surface of a cusp
C. mesial and distal surfaces of the tooth
D. dentino-enamel junction underlying a cusp
E. dentino-enamel junction underlying a fissure
D. DENTINO-ENAMEL JUNCTION UNDERLYING A CUSP
The right subclavian and right common carotid arteries arise from the
A. THORACIC AORTA
B. ASCENDING AORTA
C. PULMONARY ARTERY
D. ARCH OF THE AOTA
E. BRACHIOCEPHALIC ARTERY
E. BRACHIOCEPHALIC ARTERY
The spleen is in close relation with the
A. duodenum
B. right kidney
C. ascending colon
D. right lobe of the liver
E. inferior surface of the diaphragm
E. INFERIOR SURFACE OF THE DIAPHRAGM
The parotid duct pierces the buccinator muscle opposite the
A. maxillary 1st premolar
B. maxillary 1st molar
C. maxillary 2nd molar
D. maxillary 3rd molar
E. mandibular 1st premolar
C. MAXILLARY 2ND MOLAR
The space between the jaws into which the molars erupt is provided by growth at the
A. Alveolar process
B. Mandibular condyles
C. Intermaxillary suture and mental symphysis
D. Sphenomaxillary, frontomaxillary, and zygomaticomaxillary sutures
E. Mandibular intermaxillary sutures
B. MANDIBULAR CONDYLES
Ependymal cells constitute the tissue that
A. lines ventricles of the brain
B. lines ventricles of the heart
C. forms a part of the peripheral neuroglia
D. covers the nerve cell body in the ganglion
E. covers the nerve cell body in the heart
A. LINES VENTRICLES OF THE BRAIN
The bony root of the infratemporal fossa is formed by the
A. Tympanic plate of temporal
B. Zygomatic arch
C. Upper part of maxillary body
D. Lateral pterygoid plate
E. Greater wing of sphenoid
E. GREATER WING OF SPHENOID
Layers of the gastrointestinal tract in order from the lumen side outwardly are:
A. Mucosa, submucosa, tunica muscularis, tunica adventitia
B. Submucosa, tunica adventitia, mucosa, tunica muscularis
C. Tunica adventitia, tunica muscularis, mucosa, submucosa
D. Tunica muscularis, submucosa, tunica adventitia, mucosa
E. Tunica muscularis, mucosa, submucosa, tunica adventitia
A. MUCOSA, SUBMUCOSA, TUNICA MUSCULARIS, TUNICA ADVENTITIA
With aging, the dental pulp becomes
A. Less cellular but more fibrous
B. Less fibrous but more cellular
C. Less vascular and less fibrous
D. More vascular, more cellular, and more fibrous
E. More elastic, less fibrous
A. LESS CELLULAR BUT MORE FIBROUS
The efferent lymph vessels leave the lymph node at the
A. hilum
B. capsule
C. trabeculae
D. stroma
E. germinal center
A. HILUM
The mediastinum is basically the region between the two pleural cavities which contains
A. The heart and its pericardium
B. The vessels proceeding to and from the heart
C. The trachea
D. Structures in transit from the neck to abdomen, i.e, esophagus, phrenic and vagus nerves, and the thoracic duct
E. AOTA
E. ALL OF THE ABOVE
In proceeding from the bronchus to the respiratory bronchiole there is a (n)
A. decrease in cartilage and an increase in elastic fibers
B. decrease in collagenous fibers and an increase in cilia
C. decrease in cilia and an increase in cartilage
D. increase in cilia and a decrease in elastic fibers
E. increase in elastic fibers and a decrease in cartilage
A. DECREASE IN CARTILAGE AND AN INCREASE IN ELASTIC FIBERS
The endocrine gland characterized by colloid-filled follicles is the
A. testis
B. Thyroid
C. parathyroids
D. adrenal cortex
E. anterior lobe of pituitary
B. THYROID
The alternate loosening and tightening of a deciduous tooth which is about to be shed may result from
A. lack of developing permanent successors
B. alternate resorption and apposition of cementum and bone
C. alternate softening and hardening of the alveolar bone proper
D. movement in a lingual direction of the developing permanent tooth
E. movement in a sublingual direction of the loosening tooth
B. ALTERNATE RESORPTION AND APPOSITION OF CEMENTUM AND BONE
The peripheral layer of developing cementum is uncalcified and appears highly eosinophilic in hematoxylin and eosin sections.
This layer is called
A. cementoid
B. cellular cementum
C. secondary cementum
D. primary cementum
E. acellular cementum
A. CEMENTOID
21. The epithelium of the oral pharynx is
A. Simple columnar
B. Stratified squamous
C. Pseudostratified
D. Stratified columnar
E. Simple squamous
B. STRATIFIED SQUAMOUS
Fan-shaped dark features appearing in the enamel (seen in ground sections) which represent poorly calcified areas and which appear to originate at the dentino-enamel junction and extend into the enamel for part of its thickness is called
A. tufts
B. spindles
C. lamellae
D. fissures
E. perikymata
A. TUFTS
The principal periodontal ligament fibers consist predominantly of
A. bundless of collagenous and elastic fibers
B. regularly arranged bundles of collagenous fibers
C. fibrous elements which are formed by the cementoblasts
D. fibrous bundles
E. NOTA
B. REGULARLY ARRANGED BUNDLES OF COLLAGENOUS FIBERS
Cell bodies of preganglionic parasympathetic neurons to the duodenum are in the
A. nucleus ambiguus
B. submucosal and myenteric plexuses
C. sacral spinal cord lateral gray column
D. thoracic spinal cord lateral gray column
E. dorsal motor nucleus of the vagus nerve
E. DORSAL MOTOR NUCLEUS OF THE VAGUS NERVE
The structure intervening between the articulating bones of the temporomandibular joint is called the
A. articular disk
B. fibrous capsule
C. synovial membrane
D. articular capsule
E. tendon of the lateral pterygoid
A. ARTICULAR DISK
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