941. Which of the following correctly describes the mucosa of the sublingual floor of themouth?
A. contains foliate papillae covered by non-keratinized epithelium
B. overlies serous salivary glands
C. has non-keratinized epithelium with no glands in the lamina propria
D. has non-keratinized epithelium with high connective tissue papillae
E. has keratinized epithelium with glands in the lamina propria

942. A structure in the oral cavity that is covered for the most part by stratified squamouskeratinized epithelium is the
A. hard palate
B. soft palate
C. cheek
D. Tooth
E. circumvallate papilla

943. The major organic component of dentin is
A. collagen
B. lactate
C. hydroxyapatite
D. lipid
E. desmosine

944. Which one of the following is NOT present during the bell stage of tooth development?
A. primary dental (enamel) organ
B. outer dental epithelium
C. epithelial (Serre’s) pearls
D. ameloblasts
E. stratum intermedium

945. All the following structures except one is seen during the cap stage of tooth development
A. inner dental (enamel) epithelium
B. stratum intermedium
C. dental papilla
D. dental follicle (sac)
E. stellate reticulum

946. Which one of the following correctly describes the structure of the major salivaryglands?
A. compound tubular gland
B. simple tubuloalveolar gland
C. compound alveolar gland
D. compound tubuloalveolar gland
E. simple tubular gland

947. All of the following are associated with the bell stage of tooth development except
A. tooth “germ” first appears
B. capillaries invade dental papilla
C. primordium of successional tooth develops
D. dental lamina disintegrates
E. nervous plexus develops in dental papilla

948. Which one of the following is the most accurate in respect to dental pain?
A. dentin is more sensitive when the pulp is inflamed
B. agents that cause pain when applied to skin cause pain when applied to dentin
C. synaptic nerve endings have been demonstrated between pulpal nerves andodontoblasts
D. dentin is uniformly sensitive
E. a local anesthetic applied to exposed dentin eliminates dentin sensitivity

949. Pick the correct series that lists the parts of the mature tooth in the order of increasinginorganic content.
A. enamel, dentin, cementum, pulp
B. cementum, dentin, enamel, pulp
C. cementum, pulp, dentin, enamel
D. pulp, cementum, dentin, enamel
E. pulp dentin, cementum, enamel

950. Sharpey’s fibers are formed principally by
A. osteoblasts
B. fibroblasts
C. odontoblasts
D. epithelial cells in the rests of Malassez
E. cementoblasts

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