5851. Which of the following is true about tetanus acquired through traumatic wound ?
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A. Causes positive Nagler reaction

B. The patient should be given tetanus toxoid intravenously

C. The tetanospasmin component of the exotoxin act on the post-synaptic neurones and prevents impulse transmission

D. Clostridium tetani travels via the nerves to the anterior horn dells in spinal cord
5852. Which of the following provides best gurantee for sterlization in the heat sterilizer ?
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A. Determining the ability of a sterilizer to kill the hepatitis B virus

B. Recording a temperature/ pressure readings from sterilizer guage

C. Using a bacterial spore test

D. Using chemical indicator strip or pouch

5853. What is the transport medium for cholera___________________?
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A. B & C

B. Venkatraman Ramakrishnan Medium

C. Cary Blair Medium

D. Tellurite Medium

5855. Organism most frequently associated with urinary tract infections is_________________?
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A. Neisseria gonorrhea

B. T-strain mycoplasma

C. Escherichia coli

D. Streptococcus fecalis

5856. Which of the following is an acid-fast bacillus_____________?
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A. Mycobacterium bacilli

B. Treponema pallidum

C. Neisseria gonorrhea

D. All of the above

5860. Endotoxins differ from exotoxins in that endotoxins______________?
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A. are highly antigenic

B. activate complement by the alternate pathway

C. are proteins

D. are heat labile

5861. Among The infectious diseases transmitted by food, one is___________________?
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A. Typhoid fever

B. Viral stomatitis

C. Tuberculosis

D. Diptheria

5863. Pneumococus can be differentiated from streptococcus by________________?
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A. Bile solubility

B. Gram staining

C. Growth characteristics

D. Type of hemolysis

5864. The best method of sterilization of dressing powder is_____________?
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A. Tyndallization

B. Inspissation

C. Autoclaving

D. Hot air oven
5866. Teichoic acid is present in cell walls of_________________?
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A. Yeast

B. Gram positive bacteria

C. Gram negative bacteria

D. Protozoa

5867. Q fever is caused by________________?
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A. R. prowozekii

B. C. burnetti

C. Rickettsia tsutsugamushi

D. R. quintana

5868. Exaltation is________________?
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A. No change

B. Decreased virulence

C. Increased Virulence

D. None

5871. Which of the following fulfil all the criterias of kichs postulates ?
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A. N. gonorrhoeae

B. Mycobacterium leprae

C. None of the above

D. Treponema pallidum

5872. Haptane is_______________?
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A. Carrier required for specific antibody production

B. None of the above

C. High molecular protein

D. Same as epitopes

5873. False +ve for VDRL is seen in______________?
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A. Yaws

B. Lepromatous Leprosy

C. All of the above

D. Malaria

5874. Disinfection frees the surface from______________?
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A. Vegetative forms

B. Spore forms

C. Both of the above

D. None of the above

5875. Most antibodies are produced in the________________?
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A. Thymus and the appendix

B. Brain and the meninges

C. Heart and the liver

D. Spleen and the lymph nodes
5876. The causative organism of syphilis is___________?
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A. Borrelia burgolorferi

B. Leptospira interrogans

C. Treponema pallidum

D. Chalamydia trachomatis

5877. In small intestine, cholera toxin acts by______________?
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A. ADP ribosylation of the G regulatory protein

B. Activation of GTPase

C. Inhibition of adenyl cyclase

D. Active absorption of NaCI

5878. Dentigerous cyst is associated with the following
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A. Odontome

B. Impacted supernumerary tooth

C. All of the above

D. Impacted 3rd molar

5879. The most aggressive and destructive cyst is:_____________?
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A. Globulomaxillary cyst

B. Dentigerous cyst

C. Periapical cyst

D. Nasopalatine cyst

5880. Cyst arising from dental lamina:___________________?
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A. Glandular odontogenic cyst

B. Paradental cyst

C. Eruption cyst

D. Radicular cyst

5881. Each of the following cyst is associated with an impacted tooth except:___________?
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A. Primordial cyst

B. Dentigerous cyst

C. Keratocyst

D. Clacifying epithelial odontogenic cyst

5882. Which of the following is the most common lesion of the mandible?
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A. Squamous cell carcinoma

B. Adamantinoma

C. Osteogenic sarcoma

D. Osteoclastoma

5883. Clear cells are commonly seen in which of the following lesions?
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A. Adenomatoid odontogenic tumor

B. Pleomorphic

C. Warthins tumor

D. Mucoepidermoid
5885. Odontogenic keratocyst has the following feature:____________?
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A. Has low recurrence rate

B. Can be treated by aspiration

C. Occurs due to infection periapically

D. Is developmental in origin
5886. Ghost (shadow) cells are seen in:___________?
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A. Compound odontoma

B. Calcifying odontogenic cyst

C. Amebloblastic fibroodontoma

D. All of the above
5887. The epithelium of a dentigerous cyst is:___________?
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A. 1-2 cell thick

B. 6-10 cell thick

C. 15-20 cell thick

D. 2-4 cell thick

5888. The most common odontogenic cyst is:____________?
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A. Primordial cyst

B. Radicular cyst

C. Dentigerous cyst

D. Mucocele

5889. Which of the following is wrong about keratocyst:
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A. Haw low recurrence rate

B. B and C

C. Has low protein content

D. High recurrence rate

5891. Nodular growth of alveolus is seen in:___________?
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A. Cementifying fibroma

B. All of these

C. Osteomas

D. Pagets disease

5892. The Pathogenesis of Periapical Cyst is___________?
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A. None of the above

B. Proliferation of epithelium

C. Increased pressure within the cyst

D. Immune mediated bone destruction

5893. Dentigerous cyst is likely to cause which neoplasia?
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A. Ameloblastoma

B. All of the above

C. Adeno carcinoma

D. Fibrosarcoma

5894. A six year old child patient has blue-dome shaped swelling in posterior mandibular region, what will be the treatment plan?
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A. Reassure the patient without any treatment

B. Marsupialization

C. Surgical Excision

D. Excise the lesion

5895. Pindborg tumor arises from:_________?
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A. Basal layer of cells

B. Stratum intermedium

C. Stratum corneum

D. Dental lamina

E. Both B & D
5896. A patient with ameloblastoma of the jaw can best be treated by:_____________?
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A. Enucleation

B. Excision

C. Surgical removal followed by cauterization

D. Irradiation

5898. Multiple odontogenic keratocyst are associated with:____________?
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A. Grinspan syndrome

B. Goldenhars syndrome

C. Gardners syndrome

D. Gorlin-Goltz syndrome
5900. Keratocyst has all of the following features except:___________?
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A. Low recurrence rate

B. It is more common in mandible

C. Expansion of bone clinically seen

D. May be filled with thin straw coloured fluid