MCQOPTIONS
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MCQOPTIONS
This section includes 370 Mcqs, each offering curated multiple-choice questions to sharpen your Medical Subjects knowledge and support exam preparation. Choose a topic below to get started.
| 201. |
Movement of tooth to close the intermaxillary gap during eruption is due to____________? |
| A. | Physiological tooth migration |
| B. | Active eruption |
| C. | Passive eruption |
| D. | None of the above |
| Answer» C. Passive eruption | |
| 202. |
Moth eaten appearance of of enamel is seen in____________? |
| A. | Odontodysplasia |
| B. | Amelogenisis stage |
| C. | Desmolytic stage |
| D. | Mottled enamel |
| Answer» B. Amelogenisis stage | |
| 203. |
Morphological stages of tooth development are explained based on_____________? |
| A. | Shape of enamel organ |
| B. | Shape of tooth germ |
| C. | Function of enamel organ |
| D. | Shape of dental papilla |
| Answer» C. Function of enamel organ | |
| 204. |
Mirgration of odontoblasts into dentinal tubules occurs during ________________? |
| A. | Cavity preparation |
| B. | Dehydration |
| C. | Water irrigation |
| D. | None of the above |
| Answer» B. Dehydration | |
| 205. |
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 |
| Answer» B. Tongue and soft palate | |
| 206. |
Metalloprotienases are used in which stage of the amelogenesis_____________? |
| A. | Organising |
| B. | Formative/ Secretory |
| C. | Protective |
| D. | Desmolytic |
| Answer» C. Protective | |
| 207. |
Merkel cells are found in which of the following tissue ______________? |
| A. | Epidermis |
| B. | Papillary layer of dermis |
| C. | Reticular of dermis |
| D. | Hypodermis |
| Answer» B. Papillary layer of dermis | |
| 208. |
Membrane coating granules may_____________? |
| A. | Appear as circular with an amorphous core in keratinized epithelium |
| B. | Originate from golgi system |
| C. | Packed with tonofilaments |
| D. | Helps in adhesion of fully keratinized epithelial cells |
| Answer» C. Packed with tonofilaments | |
| 209. |
Membrana performative is seen in_________________? |
| A. | Bell stage |
| B. | Cap stage |
| C. | Bud stage |
| D. | Advanced bell stage |
| Answer» B. Cap stage | |
| 210. |
Maximum fluoride content is seen in_____________? |
| A. | Dental cementum |
| B. | Dental pulp |
| C. | Enamel |
| D. | Dentin |
| Answer» B. Dental pulp | |
| 211. |
Maximum amount of phosphate is seen in_______________? |
| A. | Bone |
| B. | Enamel |
| C. | Gingiva |
| D. | Dentin |
| Answer» C. Gingiva | |
| 212. |
Maxillary sinus is described as a four sided pyramid containing base, apex, roof and floor. The apex of maxillary sinus extends________________? |
| A. | Laterally into zygomatics process of maxilla |
| B. | Medially into zygomatic process of maxilla |
| C. | Laterally into lateral nasal wall |
| D. | Superiorly into floor of orbit |
| Answer» B. Medially into zygomatic process of maxilla | |
| 213. |
Mature bone is otherwise called as______________? |
| A. | woven bone |
| B. | Irregular bone |
| C. | Lamellar bone |
| D. | Resorbing bone |
| Answer» D. Resorbing bone | |
| 214. |
Matrix vesicles_______________? |
| A. | Are found in mantle dentin |
| B. | Contain collagen |
| C. | Produce alkaline phosphatase |
| D. | Inhibit mineralization |
| Answer» B. Contain collagen | |
| 215. |
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 |
| Answer» E. | |
| 216. |
Masticatory mucosa is____________? |
| A. | Para keratinised |
| B. | Ortho keratinised |
| C. | Non keratinised |
| D. | Sub keratinised |
| Answer» C. Non keratinised | |
| 217. |
Mandible develops by______________? |
| A. | Endochondral ossification only |
| B. | Membranous ossification only |
| C. | Both of the above |
| D. | None of the above |
| Answer» D. None of the above | |
| 218. |
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 |
| Answer» B. Antibacterial action by secreting lysoenzymes and lactoferrin | |
| 219. |
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 |
| Answer» C. Buccal andalveolar mucosa | |
| 220. |
Lip furrow band is______________? |
| A. | Vestibular lamina |
| B. | Successional lamina |
| C. | Dental lamina |
| D. | Basal lamina |
| Answer» B. Successional lamina | |
| 221. |
Length of enamel rods is_____________? |
| A. | Greater than the thickness of enamel |
| B. | Less than the thickness of enamel |
| C. | Equal to the thickness of enimal |
| D. | None of the above |
| Answer» B. Less than the thickness of enamel | |
| 222. |
Lamina densa of the gingival basement membrane is rich in_____________? |
| A. | Type I and III collagen |
| B. | Type III collagen |
| C. | Type IV collagen |
| D. | Type I collagen |
| Answer» D. Type I collagen | |
| 223. |
Korffs fibres are seen in______________? |
| A. | Mantle dentin |
| B. | Secondary dentin |
| C. | Reactionary dentin |
| D. | Indeed dermal tubules |
| Answer» B. Secondary dentin | |
| 224. |
Keratohyaline granules are more evident in_______________? |
| A. | Keratinised |
| B. | Non keratinized |
| C. | Parakeratinised |
| D. | Orthokeratinized |
| Answer» E. | |
| 225. |
Keratohyaline granules are found in________________? |
| A. | St. granulosum |
| B. | St. spinosum |
| C. | St. basale |
| D. | Prickle cell layer |
| Answer» B. St. spinosum | |
| 226. |
Jacobson’s organ is________________? |
| A. | Auxillary olfactory sense organ |
| B. | Ellipsoid/Cigar shaped |
| C. | Undergoes degeneration after 4 months of intrauterine life |
| D. | All of the above |
| Answer» E. | |
| 227. |
Ionic exchange between enamel surface and environment______________? |
| A. | Does not take place once enamel surface and invironment |
| B. | Stops after 2 years of eruption |
| C. | Continues till adult life |
| D. | Continues through out life |
| Answer» E. | |
| 228. |
Interwining of the enamel rods at the cusp timps and the incisal edges of a tooth is called______________? |
| A. | Enamel spindles |
| B. | Gnarled enamel |
| C. | Incremental lies of woven |
| D. | Incremental lines of retzius |
| Answer» C. Incremental lies of woven | |
| 229. |
Intermediate plexus is seen in the____________? |
| A. | Cementum |
| B. | PDL |
| C. | Pulp |
| D. | Dentin |
| Answer» C. Pulp | |
| 230. |
Intermediate plexus is absent in which of the following principle fibres_____________? |
| A. | Gingival |
| B. | Oblique |
| C. | Horizontal |
| D. | Transseptal |
| Answer» B. Oblique | |
| 231. |
Intermediate cementum is___________? |
| A. | Between enamel and cementum |
| B. | Found at dentinocemental junction |
| C. | Apical third |
| D. | Coronal third |
| Answer» C. Apical third | |
| 232. |
Intermediate cementum is____________? |
| A. | Highly defined cellular zone near cemento – dentinal junction (CDJ) |
| B. | Highly defined fibrillar zone near CDJ |
| C. | Poorly defined zone near cemento-dentinal junction |
| D. | Both a and B |
| Answer» D. Both a and B | |
| 233. |
Intermediate cemental layer_____________? |
| A. | Does not exhibit features of either dentin of cementum |
| B. | Predominantly seen in apical tow thirds of roots of molars and premolars and is rare in incisors or deciduous teeth |
| C. | Represents area of entrapment of hertwig’s sheath in dentin or cementum |
| D. | All of the above are correct |
| Answer» E. | |
| 234. |
Interdependency of osteoblasts and osteoclasts in bone remodeling is called as_____________? |
| A. | Lacunae |
| B. | Coupling |
| C. | Reversal lines |
| D. | Canaliculi |
| Answer» C. Reversal lines | |
| 235. |
Inter globular dentin results due to_____________? |
| A. | Failure of coalescence of calcospherities |
| B. | Fracture of the dentin |
| C. | Artifact in light microscopy |
| D. | Disturbance in dentinal tubules |
| Answer» B. Fracture of the dentin | |
| 236. |
Inorganic content of enamel is about______________? |
| A. | 35% |
| B. | 50% |
| C. | 4% |
| D. | 96% |
| Answer» E. | |
| 237. |
Inorganic content of cementum is_____________? |
| A. | Less than bone |
| B. | More than bone |
| C. | Equal to that of bone |
| D. | More than that of enamel |
| Answer» B. More than bone | |
| 238. |
Inorganic content of cementum is______________? |
| A. | 45 to 50% |
| B. | 50 to 55% |
| C. | 55 to 60% |
| D. | 60 to 65% |
| Answer» B. 50 to 55% | |
| 239. |
Incremental lines of Retzius appear_____________? |
| A. | As lines in the enamel running at right angles to the enamel surface |
| B. | As lines in the dentin running at right angles to the dentino-enamel junction |
| C. | In enamel and follow the apposition pattern |
| D. | In dentin and follow the appositional pattern |
| Answer» D. In dentin and follow the appositional pattern | |
| 240. |
Incremental lines of retzius are seen in______________? |
| A. | Enamel |
| B. | Dentin |
| C. | Cementum |
| D. | Pulp |
| Answer» B. Dentin | |
| 241. |
In the tongue bitter taste is more perceived at_____________? |
| A. | Tip |
| B. | Sides |
| C. | Back |
| D. | Front |
| Answer» D. Front | |
| 242. |
In resorption of roots of the primary teeth, the dental pulp_____________? |
| A. | Plays a passive role |
| B. | Becomes a fibrotic non-vital mass |
| C. | Initiates resorption from the inner surface of roots |
| D. | Aids in formation of secondary dentin slowing down resorption |
| Answer» B. Becomes a fibrotic non-vital mass | |
| 243. |
In multirooted teeth, formation of multiple roots is due to presence of_____________? |
| A. | Epithelial diaphragm |
| B. | Cell rests of Malassez |
| C. | Toot bud division or bell stage |
| D. | None of the above |
| Answer» B. Cell rests of Malassez | |
| 244. |
In mineralization which one of the following is known as Epitaxy ? |
| A. | Booster Mechanism |
| B. | Seeding theory |
| C. | Alkaline Phosphatase theory |
| D. | Cartier/s Adenosine Triphosphate theory |
| Answer» C. Alkaline Phosphatase theory | |
| 245. |
In mammals independent and tough suspension for teeth is provided by____________? |
| A. | Alveolar sockets |
| B. | Cementum |
| C. | Gubernacular cords |
| D. | Periodontal membrane |
| Answer» E. | |
| 246. |
In considering the process of eruption, the pre-functional eruptive stage of a tooth begins when the_____________? |
| A. | Bud stage begins |
| B. | Cap stage begins |
| C. | Bell stage begins |
| D. | Dental lamina begins forming |
| Answer» E. | |
| 247. |
In cap stage, regulating factor for cusp shape formation is present in____________? |
| A. | Dental papilla |
| B. | Dental follicle |
| C. | Inner enamel epithelium |
| D. | Enamel Knot |
| Answer» E. | |
| 248. |
In adult teeth, the type of dentin present underlying dentin-enamel junction is_______________? |
| A. | Predentin |
| B. | Mantle dentin |
| C. | Interglobular dentin |
| D. | Tertiary dentin |
| Answer» C. Interglobular dentin | |
| 249. |
In a dried skull, holes on the lingual aspects of the deciduous teeth are called_____________? |
| A. | Volkmann canals |
| B. | Canals of Hirchfeld and Zuckerland |
| C. | Herversian canals |
| D. | Gubernacular canals |
| Answer» E. | |
| 250. |
If overgrowth of cementum does not improve the functional qualities of cementum, it is termed as_____________? |
| A. | Hyperplasia |
| B. | Hypoplasia |
| C. | Hypertrophy |
| D. | Excementoses |
| Answer» B. Hypoplasia | |