Post on 27-Jul-2015
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Title: NBDE Anatomy III
Description: NBDE
Number of Cards: 47
Save Count: 12
Author: Case Dental New Curriculum
Created: 2009-12-17
Tags: anatomy cwru dental
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o Question
o Answer
o Side 3
o Each of the following is found in dentin Except one.
a) Contour lines of Owenb) Tomes granular layerc) Odontoblastic processesd) Striae of Retziuse) Neonatal lines
o Striae of Retzius
o
CN Xo
o Which of the following is Not a component of the temporomandibular joint?
a) articular discb) extracapsular ligamentsc) complete flat surface for gliding movementsd) two joint cavitiese) lateral ligaments
o Complete flat surface for gliding movements
o
o Which of the following is Not a correct vestigial structure associated with the heart and great vessels?
a) ductus venosus - ligamentum venosumb) umbilical vein - ligamentum teresc) umbilical artery - superior vesicular ligamentd) foramen ovale - fossa ovalise) ductus arteriosum - ligamentum arteriosum
o Umbilical artery - superior vesicular ligament
o
o Which of the following structures are the ends of odontoblastic processes that penetrate the enamel?
a) enamel lamellaeb) perikymatac) enamel spindlesd) enamel tuftse) dead tracts
o Enamel spindles
o
o Which of the following embryonic precursors form cementoblasts?
a) dental papillab) inner enamel epitheliumc) Hertwig's epithelial rooth sheathd) outer enamel epitheliume) dental sac
o Dental sac
o
o The largest artery which supplies the dura mater traverses through which of the following?
a) Foramen rotundumb) Foramen lacerumc) Foramen ovaled) Foramen spinosume) Stylomastoid foramen
o Foramen spinosum
o
o What structure does cerebrospinal fluid pass through as it travels from the lateral ventricles to the third
ventricle?o Foramen of Monro
o
o The Salpingopharyngeus muscle is derived from the?
o 4th & 6th Branchial arches
o
o Osteocytes communicate with each other by extending cytoplasmic processes through small cavities in
bone called?o Canaliculi
o
o Each of the following structures is derived in association with the 1st branchial arch Except one.
a) Muscles of masticationb) Sphenomandibular ligamentc) Trigeminal nerved) Hyoid bonee) Malleus bone
o Hyoid bone
o
o Which of the following is Not a gingival connective tissue fiber?
a) Circumferentialb) Interradicularc) Semicirculard) Dentoperiosteale) Transseptal
o Interradicular
o
o Which of the following tooth germ components are developed by mesenchyme?
a) Dental papilla and enamel organb) Dental sac and dental papillac) Enamel organ, dental papilla, and dental sacd) Dental papilla onlye) Enamel organ only
o Dental sac and Dental papilla
o
o A patient is incapable of protruding the mandible. The likely disfunction is in which muscle(s)?
o Lateral pterygoid
o
o Each of the following is a branch of the maxillary artery Except one.
a) Accessory meningeal arteryb) Middle meningeal arteryc) Masseteric arteryd) Greater palatine arterye) Anterior auricular artery
o Anterior auricular artery
o
o Which of the following is the first type of cementum formed on a developing root?
a) Cellular extrinsic fibersb) Acellular extrinsic fibersc) Acellular intrinsic fibersd) Cellular intrinsic fiberse) Acellular afibrillar
o Acellular intrinsic fibers
o
o Which of the following is Not ectomesenchymally derived?
a) Alveolar boneb) Periodontal ligamentc) Dentind) Enamele) Pulp
o Enamel
o
o The attachment point of the medial end of the inguinal ligament is the?
o Pubic tubercle
o
o Which of the following is formed from ectomesenchyme?
a) Stellate reticulumb) Hertwig's epithelial root sheatc) Enameld) Dental papillae) Stratum intermedium
o Dental papilla
o
o Dentin formation initiates
a) at the cervical loopb) after amelogenesisc) after closure of rootd) at the incisal tipe) prior to odontoblastic differentiation
o At the incisal tip
o
o The spleen is in the nearest proximity to which of the following structures?
a) Ascending colonb) Duodenumc) Inferior surface of diaphragmd) Left kidneye) Left lobe of liver
o Inferior surface of diaphragm
o
o Which tooth development stage does dentin form in?
o Bell stage
o
o What is the mineral and protein content of enamel approximately?
o 95% Protein
80% Mineralo
o Bone differs from cartilage in that?