Dentosphere : World of Dentistry

The correct answers are highlighted in green. Please read these MCQs once quickly and test yourself by watching the video at the bottom of the page. # Oedema may be caused by any of the following EXCEPT: (MAN -95) a) An increase in the plasma protein concentration b) An increase in the capillary hydrostatic pressure c) An increase in the capillary permeability d) Lymphatic obstruction # The most common site of origin for venous thrombi leading to pulmonary embolism is: (KCET- 09) a) Ascending aorta b) Portal vein c) Deep leg veins d) Right atrium # Anasarca means a) Abnormal inflammatory process b) Severe generalized swelling c) Absence of proliferation of vessels following inflammation d) Presence of pus # Edema is due to: (KAR -98) a) Increased albumin in blood and decreased globin b) Decreased albumin cone, in blood c) Increased osmotic pressure d) None of the above # Which of the following is common in all forms of shock? (MAN -9...

# Tumor which shows origin from more than one germ layers is known as: A. Teratoma B. Pleomorphic Tumors C. Choristoma D. Hamartoma The Correct Answer is A. Teratoma Teratomas are complex tumors composed of tissues derived from more than one of the three germ layers - endoderm, mesoderm and ectoderm. Hamartoma is a mass of disorganized but mature cells indigenous to the particular site.

# Which of the following tumors is most aggressive? (AIPG 91, AIIMS 2004) A. Ameloblastoma B. Odontogenic Myxoma C. Odontoma D. Fibrocarcinoma Answer: B, Odontogenic Myxoma ODONTOGENIC MYXOMA - Aggressive, intraosseous neoplasms derived from embryonic odontogenic mesenchyme probably arise from the dental papilla or follicular mesenchyme. - Nearly all lesions are found in the tooth bearing areas of maxillary and mandibular bone. - Mandibular lesions are commonly found in the premolar-molar area. - The lesions often produce multilocular radiolucency with a "soap bubble" or "honey comb" appearance in the bone. - Thin and extremely delicate septa of bone are often seen to course through the radiolucent area and produce a "spider-web" like or "tennis racket" like appearance. CLICK HERE TO VIEW  ALL MCQS

The correct answers are highlighted in green. # Protrusion of tongue is brought out by (MAN - 02) a) Genioglossus b) Intrinsic muscles of tongue c) Styloglossus d) Palatoglossus # Hypoglossal nerve supplies to all the following muscles EXCEPT (MAN - 99, AP-06) a) Palatoglossus b) Genioglossus c) Hyoglossus d) Styloglossus # The lymphatic drainage from the tip of tongue first passes to: (MAR-98) a) Submental nodes b) Supra clavicular nodes c) Sub mandibular nodes d) Superior deep cervical nodes # When a patient protrudes his tongue, it deviated to the right. Which of the following nerves is damaged? (MAN-99) a) Left hypoglossal b) Glossopharyngeal c) Right hypoglossal d) Facial nerve # Impulses generated in the taste buds of the tongue reach the cerebral cortex vie the: (KAR-97) a ) Thalamus b) Internal Capsule c) Cervical spinal nerve d) Trigeminal nerve  #  In which of the following papillae of the tongue are the ta...