5851. Which of the following is true about tetanus acquired through traumatic wound ?
comments icon0

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 ?
comments icon0

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___________________?
comments icon0
A. B & C

B. Venkatraman Ramakrishnan Medium

C. Cary Blair Medium

D. Tellurite Medium

5854. Wasserman test test is diagnostic of__________________?
comments icon0

A. Tyhoid

B. TB

C. Syphilis

D. Gonorrhea

5855. Organism most frequently associated with urinary tract infections is_________________?
comments icon0

A. Neisseria gonorrhea

B. T-strain mycoplasma

C. Escherichia coli

D. Streptococcus fecalis

5856. Which of the following is an acid-fast bacillus_____________?
comments icon0
A. Mycobacterium bacilli

B. Treponema pallidum

C. Neisseria gonorrhea

D. All of the above

5857. The immediate type of hypersensitivity in which histamine doses not play a major role is______________?
comments icon0

A. Asthma

B. Anaphylaxis

C. Urticaria

D. Arthus reaction
5858. The major intestinal pathogens which are non-lactose fermenters are_________________?
comments icon0

A. Klebsiella

B. Paracolons

C. Salmonella

D. Escherichia

5859. One of the following is an agglutination test in the diagnosis of typhoid___________?
comments icon0

A. Wasserman test

B. Mantoux test

C. Widal test

D. Eleks test

5860. Endotoxins differ from exotoxins in that endotoxins______________?
comments icon0

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___________________?
comments icon0
A. Typhoid fever

B. Viral stomatitis

C. Tuberculosis

D. Diptheria

5862. The Manufacturing unit of surgical needle & sutures are sterilized by ________________?
comments icon0

A. X-Rays

B. Autoclaving

C. Gamma-Rays

D. Boiling

5863. Pneumococus can be differentiated from streptococcus by________________?
comments icon0
A. Bile solubility

B. Gram staining

C. Growth characteristics

D. Type of hemolysis

5864. The best method of sterilization of dressing powder is_____________?
comments icon0

A. Tyndallization

B. Inspissation

C. Autoclaving

D. Hot air oven
5865. The difference between gram positive and negative bacteria lies in their_______________?
comments icon0

A. Nuclear material

B. cell membrane

C. Mesosomes

D. cell wall
5866. Teichoic acid is present in cell walls of_________________?
comments icon0

A. Yeast

B. Gram positive bacteria

C. Gram negative bacteria

D. Protozoa

5867. Q fever is caused by________________?
comments icon0

A. R. prowozekii

B. C. burnetti

C. Rickettsia tsutsugamushi

D. R. quintana

5868. Exaltation is________________?
comments icon0

A. No change

B. Decreased virulence

C. Increased Virulence

D. None

5869. The serum concentration of which of the following human IgG subclass is maximum ?
comments icon0
A. IgG1

B. IgG2

C. IgG4

D. IgG3

5870. The temperature required for cultivating mycobacterium________________?
comments icon0

A. 0 degree

B. 2 degree

C. 37 degrees

D. 27 degrees

5871. Which of the following fulfil all the criterias of kichs postulates ?
comments icon0

A. N. gonorrhoeae

B. Mycobacterium leprae

C. None of the above

D. Treponema pallidum

5872. Haptane is_______________?
comments icon0
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______________?
comments icon0

A. Yaws

B. Lepromatous Leprosy

C. All of the above

D. Malaria

5874. Disinfection frees the surface from______________?
comments icon0
A. Vegetative forms

B. Spore forms

C. Both of the above

D. None of the above

5875. Most antibodies are produced in the________________?
comments icon0

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___________?
comments icon0

A. Borrelia burgolorferi

B. Leptospira interrogans

C. Treponema pallidum

D. Chalamydia trachomatis

5877. In small intestine, cholera toxin acts by______________?
comments icon0
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
comments icon0

A. Odontome

B. Impacted supernumerary tooth

C. All of the above

D. Impacted 3rd molar

5879. The most aggressive and destructive cyst is:_____________?
comments icon0

A. Globulomaxillary cyst

B. Dentigerous cyst

C. Periapical cyst

D. Nasopalatine cyst

5880. Cyst arising from dental lamina:___________________?
comments icon0
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:___________?
comments icon0
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?
comments icon0

A. Squamous cell carcinoma

B. Adamantinoma

C. Osteogenic sarcoma

D. Osteoclastoma

5883. Clear cells are commonly seen in which of the following lesions?
comments icon0

A. Adenomatoid odontogenic tumor

B. Pleomorphic

C. Warthins tumor

D. Mucoepidermoid
5884. Dentigerous cyst is suspected if the follicular space is more than:
comments icon0
A. >5 mm

B. 3-4 mm

C. 1-2 mm

D. 2-3 mm

5885. Odontogenic keratocyst has the following feature:____________?
comments icon0

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:___________?
comments icon0

A. Compound odontoma

B. Calcifying odontogenic cyst

C. Amebloblastic fibroodontoma

D. All of the above
5887. The epithelium of a dentigerous cyst is:___________?
comments icon0

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:____________?
comments icon0

A. Primordial cyst

B. Radicular cyst

C. Dentigerous cyst

D. Mucocele

5889. Which of the following is wrong about keratocyst:
comments icon0
A. Haw low recurrence rate

B. B and C

C. Has low protein content

D. High recurrence rate

5890. A 36 year old man with an asymptomatic swelling in the body of the mandible with radiographic features of radiolucency with radiopaque flecks in suffering from:
comments icon0

A. None of the above

B. Ameloblastoma

C. Odontogenic keratocyst

D. Calcifying epithelial odontogenic tumor (CEOT)
5891. Nodular growth of alveolus is seen in:___________?
comments icon0
A. Cementifying fibroma

B. All of these

C. Osteomas

D. Pagets disease

5892. The Pathogenesis of Periapical Cyst is___________?
comments icon0

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?
comments icon0
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?
comments icon0
A. Reassure the patient without any treatment

B. Marsupialization

C. Surgical Excision

D. Excise the lesion

5895. Pindborg tumor arises from:_________?
comments icon0

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:_____________?
comments icon0

A. Enucleation

B. Excision

C. Surgical removal followed by cauterization

D. Irradiation

5897. After entering radiolucent lesion in a 30 years old man hollow cavity without epithelial lining is seen, the most probable diagnosis is:__________?
comments icon0

A. Static bone cavity

B. Aneurysmal bone cyst

C. Ameloblastoma

D. Memorrhagic bone cyst
5898. Multiple odontogenic keratocyst are associated with:____________?
comments icon0

A. Grinspan syndrome

B. Goldenhars syndrome

C. Gardners syndrome

D. Gorlin-Goltz syndrome
5899. Unicentric, non-functional, anatomically benign, clinically persistent tumor is:___________?
comments icon0

A. Enameloma

B. CEOT

C. Odontoma

D. Ameloblastoma
5900. Keratocyst has all of the following features except:___________?
comments icon0
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