MCQ (Oral Cavity)

Oral cavity MCQs MCQ: Minor salivary glands are present in the submucosa through out the oral mucosa except for the *A. Gingiva and anterior part of hard palate B. Tongue and soft palate C. Retromolar area and hard palate D. Lip and posterior third of the hard palate A MCQ: Merkel cells are found in which of the following tissue *A. Epidermis B. Papillary layer of dermis C. Reticular of dermis D. Hypodermis MCQ: The thinnest epithelium of oral cavity is found in the A. Buccal gingiva B. Lingual gingiva C. Oral surface of lip *D. Sublingual mucosa (floor of mouth) MCQ: The red zones of lips have. A. 30% Sebaceous glands B. 75% sebaceous glands *C. very small number of sebaceous glands, if any D. Absolutely no sebaceous glands MCQ: Difference between the skin and mucosa of cheek is? *A. Thin lamina and non keratinized mucosa of cheek B. Keratinized mucosa of cheek C. Rete pegs D. Thick lamina propria on skin of cheek MCQ: Masticatory mucosa in the oral cavity covers the A. Floor of the mouth and soft palate B. Alveolar mucosa and vestibular fornix C. Lip and cheek *D. Gingiva and hard palate MCQ: Biomechanism that unites the epithelium to the tooth surface is A. Internal basal lamina *B. Junctional epithelium C. Reduced enamel epithelium D. Epithelial attachment MCQ: Non keratinized epithelium is found over? A. Attached gingiva B. Free gingiva C. Interdental papilla *D. Gingival sulcus MCQ: Stratum granulosum is not present in ? A. Hyper orthokeratosis *B. Hyper parakeratosis C. Non keratinized epithelium D. Sulcular epithelium MCQ: Epithelial cells which ultimately keratinize are known as? *A. Keratinizing cells B. Melanocytes C. Non-Keratinizing cells D. Clear cells MCQ: Lamina densa of the gingival basement membrane is rich in_ A. Type I and Ill collagen B. Type Ill collagen *C. Type IV collagen D. Type I collagen MCQ: In mineralization which one of the following i known as Epitaxy? A. Booster Mechanism *B. Seeding theory C. Alkaline Phosphatase theory D. Cartier/s Adenosine Triphosphate theory MCQ: Calcified tissue is absent in A. Enamel | B. Dentin C. Cementum *D. Pulp MCQ: The apical foramen of a fully developed permanent tooth is usually lined by. A. Dentin *B. Cementum C. Epithelial rest cells D. The Epithelial diaphragm MCQ: Tooth buds of permanent mandibular incisors are situated A. Lingual to primary teeth B. Inferior to primary teeth C. Labial to primary teeth *D. A and B MCQ: Specific stain for fat cells is _? A. Eosin & haematoxylin B. Carbol fuschin *C. Sudan III| D. Cresyl violet| MCQ: Which of the following factors are primarily contributory to the shedding of deciduous tooth ? A. Hydrostatic B. Vascular pressure C. Oncotic pressure *D. Masticatory pressure MCQ: The cells, which are responsible for removal of bone matrix in bone resorpoon, are. A. Osteoblast| B. Fibrocytes C. Polymorphs *D. Osteoclasts MCQ: The deciduous teeth can be differentiated from permanent teeth by *A. Enamel prismatic arrangement B. Dentinal tubule arrangement C. Primary and secondary dentin D. Mineral contenti MCO: Accentuated incremental lines in dentin are A. Incremental lines of retzius. B. Incremental lines of von Ebner *C. Contour lines lines of owen D. None of the above MCQ: Which of the following is correct? A. Parotid - stenson's duct - pure serous B. Submandibular - Wharton's duct - mixed and predominantly serous C. Sublingual gland - bartholin's duct - mixed and predominantly mucous *D. All of the above MCQ: Pure mucous glands are A. Labial and buccal glands *B. Glosso palatine & palatine glands C. Vonebners glands D. Lingual glands MCQ: Which of the following is not correct? A. Free denticles are entirely surrounded by pulp tissue (free of dentin) B. Embedded denticles are entirely surrounded by dentin (embedded in dentin) C. Attached denticles are partly fused with dentin *D. False denticles contains many dentinal tubules MCQ: Myoepithelial cells are present in A. Striated duct *B. Intercalated & terminal duct C. Serous cells D. Mucous cells MCQ: Vonebners gland are A. glands at apex of tongue B. Posterior lingual mucous glands *C. Posterior lingual serous glands D. Glosso palatine glands MCQ: Which of the following is not present in saliva A. Lysozyme B. Phosphate C. Bicarbonate *D. Trypsin MCQ: Sublingual gland is a A. Mixed gland B. Serous gland C. Mucous gland D. Present in root of tongue MCQ: Which of the following is correct? *A. Fibronectin helps in attachment of fibroblasts to collagen B. Cementicles are found in periodontal ligament of order individuals C. The large nerve fibres are myelinated and are concerned with discerment of touch D. The small nerve fibres may or may not be myelinated and are concerned with discrement of pain *E. All of the above MCQ: The content of saliva include all except A. Amylase B. Urea C. Lysoenzyme *D. Lipase MCQ: Wharton's duct drains the A. Pancreas B. Parotid C. Lacrimal gland *D. Submandibular gland MCQ: Total volume of saliva secreted by submandibular gland daily is A. 750 ml *B. 450 ml C. 1500 ml D. 1000 ml MCQ: The maxillary sinus A. Opens in to the inferior meatus of nose *B. Has the 1st molar projecting into its floor C. Is fully developed by the age of 8 years D. Has good drainage in upright position MCQ: Main function of salivary duct is. *A. To convey the saliva secreted by the terminal secretory units to oral cavity B. Antibacterial action by secreting lysoenzymes and lactoferrin C. Synthesis of secretory glycoproteins by Kallidrein an enzyme in striated duct cells D. None of the above MCQ: The intimal B cells of synovical memrbane of temporomandibular joint are *A. Fibroblast like B. Macrophage like C. Lmphocyte like D. Plasma cell like MCQ: The type of epithelium lining maxillary sinus A. Simple columnar *B. Pseudo stratified columnar and cilliated C. Stratified squamous D. Simple squamous MCQ: Mandible develops by. A. Endochondral ossification only B. Membranous ossification only *C. Both of the above D. None of the above MCQ: Fibres which continue from bone to ligamen are *A. Sharpey's fibres B. Tome's fibres C. Ray's fibres D. All of the above MCQ: The neutralization of saliva is due to A. Mucin B. Ammonia C. Amino acids *D. Bicarbonates MCQ: The normal pH of the saliva is about *A. 5.5 B. 9.5 C. 7.5 D. 8.5 MCQ: The articular cartilage is characterized by all of the following features except A. It is devoid of perichondrium *B. It has a rich nerve supply C. It is avascular D. It lacks the capacity to regenerate MCQ: The 2nd most prominent cells in pulp are_ A. Fibroblasts B. defense cells *C. Odontoblasts D. Histocytes or resting wandering cell MCQ: Pulp tissue contains all except A. Fibroblasts B. Capillary C. Osteoblasts *D. Ameloblasts MCQ: Pericytes are found A. In thymus *B. Around capillaries of pulp C. In gallbladder D. Along with heparin on surface of mas cells MCQ: Pulp responds to all stimuli by pain because has only. *A. Free nerve endings B. Krause end bulbs C. Pacinian corpuscle D. Ruffini corpuscle MCQ: 1st formed dental tissue A. Enamel *B. Dentin C. Cementum D. Bone MCQ: The dental pulp contains nerve endings/ receptors for_ *A. Pain B. Pressure C. Proprioception D. Temperature MCQ: Cementum_ A. Is derived from the sheath of hertwig B. Is acellular in the apical third of the tooth *C. Often overlaps the enamel D. Does not contain collagen fibres MCQ: The primary response of the pulp to tissue destruction is A. Necrosis B. Ulceration C. Calcific degeneration *D. Inflammation MCQ: The fibroblasts associated with capillaries arel A. Plasma cell B. Histocytes C. Lymphocytes *D. Pericytes MCQ: The primary function of the dental pulp A. Nutritive *B. Production of dentin C. Production of enamel D. Vascular supply to the teeth MCQ: Cementum ? A. Is derived from the sheath of hert B. Is acellular in the apical third of tr tooth *C. Often overlaps the enamel D. Does not contain collagen fibres MCQ: The high level clear cell present in the o epithelium is, A. Melanocyte B. Lymphocyte C. Merkel cell| *D. Langerhans cell MCQ: 1st formed dental tissue. A. Enamel *B. Dentin C. Cementum D. Bone MCQ: All of the following is lined by stratified squamous epithelium, except? A. Lips B. Tongue *C. Roof of the soft palate D. Oropharynx MCQ: Lip furrow band is *A. Vestibular lamina B. Successional lamina C. Dental lamina D. Basal lamina MCQ: Long connective tissue papillae and keratinized epithelia are a feature of these parts of oral mucosa_? A. gingiva and alveolar mucosa *B. Hard palate and gingiva C. Buccal andalveolar mucosa D. Hard and soft palate MCQ: Vonebilers glands open into which papilla. A. Foliate B. Filiform *C. Circumvallate D. Fungiform MCQ: Partially keratinized papilla is A. Fungiform *B. Filiform C. Circumvallate D. Foliate MCQ: Dendritic cell located in the stratified squamous keratinizing epithelium of the oral cavit include_ A. Keratinocytes B. Mast cells *C. Melanocytes D. Myoepithelila cells MCQ: Which of the following is non-keratinocyte A. Langhan's cell B. RBC *C. Langerhans cell| D. Grey cell MCQ: Epithelium of oral mucous membrane is_? A. Keratinized B. Non keratinized *C. Ortho, para and non keratinized D. Only para keratinized MCQ: Color of the normal gingiva is A. Pink B. Red *C. Coral pink D. None of the above MCQ: Elongated rete pegs are seen in, A. Alveolar mucosa B. Floor of the mouth *C. Attached gingiva D. Buccal mucosa MCQ: Epithelium of the inner surface of the gingival sulcus. *A. Has no rete pegs B. Has prominent rete pegs C. Is keratinized D. Is para-keratinized MCQ: Keratohyaline granules are more evident in_ A. Keratinised B. Non keratinized C. Parakeratinised *D. Orthokeratinized MCQ: The connective tissue of the gingiva is known as the A. Lamina dura B. Dental cuticle *C. Lamina propria D. Fibroblasts