AIIMS MAY 2010

AIIMS MAY 2010

1. while taking the Bitewing radiograph the dentist should keep the direction and angulation of the central ray ?

10 degrees below the horizontal plane

10 degrees above the horizontal plane

10 degrees to the right

10 degrees to the left

Ans: 2

2. Campbell line is seen in X-ray of following projection ?

Transcranial

Transorbital

Transpharyngeal

Occipitomental

Ans: 4

3. Least radiation exposure occurs in ?

MRI

CT Scan

Anthrography

OPG

Ans: 1

4. In case of nasal fracture the following radiograph is used ?

Submentovertex

Lateral skull view

Transorbital

OPG

Ans: 2

5. A patient of 40 years make got a blow on the angle region of the mandible ans he is asymptomatic. The Radioopaque line is shown by X-rays of that region with a very sharp undercut in the lower border of the mandible which may be due to ?

Sutural diastasis

Overlapping sign

Separation sign

Non union sign

Ans: 2

6. Munsell System is used to ?

Define and measure color qualitatively

Define and measure physical properties of gold alloys

Evaluate brittleness of different alloys

Measures different colors quantitatively

Ans: 4

7. Which of the following test is considered as Microhardness test ?

Brinell Hardness

Vickers

Rockwell hardness

None

Ans: 2

8. Which of the following is the correct glass transition temperature of impression compound ?

43.5 degree Centigrade

39 degree Centigrade

65 degree Centigrade

100 degree Centigrade

Ans: 2

9. Which of the following is used as a surface hardener in impression materials  ?

2% K2SO4

0.2% K2SO4

2 % Na Sulfate

4% K2SO4

Ans: 1

10. Condensation shrinkage of porcelain during firing depends upon ?

Rate of firing temperature

Uniformity of particle size

Shape and size of particles

Type of investment material

Ans: 3

11. Addition of 4% Potassium sulfate and 0.4% Borax to impression plaster helps in ?

Regulating Setting time and expansion

Imparting color and taste

Regulating strength and consistency

Adhering to tray during impression

Ans: 1

12. 2% potassium sulphate hardening solution used in which of the following ?

Impression compound

Alginate

Agar-Agar

ZOE paste

Ans: 3

13. The premolar with the occlusal groove pattern that may stimulate the letter ‘Y’ is ?

Maxillary 1st Premolar

Mandibular 1st Premolar

Maxillary 2nd Premolar

Mandibular 2nd Premolar

Ans: 4

14. The highest and the sharpest cusp on the deciduous mandibular 1st molar is ?

Mesiolingual

Distolingual

Mesiobuccal

Distobuccal

ans: 1

15. Less calcified among the type of cementum is ?

Cellular cementum

Acellular Cementum

Cementoid

Incremental line

Ans: 1

16. Dentin Islands are frequently found in the root canals of which of the following permanent teeth ?

Maxillary lateral incisor and mandibular canine

Maxillary 2nd Premolar and Mandibular 1st Molar

Maxillary 2nd Premolar and Mandibular canine

Maxillary 1st Molar and Mandibular 2nd Premolar

Ans: 3

17. A primitive basic tooth form having a single conical crown and a single root is known as ?

Thecodont

Haplodont

Acrodont

Heterodont

Ans: 2

18. The chamfer finish line is used in ?

Lingual surface of metal ceramic crown

Facial surface of metal ceramic crown

Facial surface of porcelain jacket crown

Lingual surface of porcelain jacket crown

Ans: 1

19. The replacement of missing part of artificial substitute is called as ?

Obturator

Tongue Blade

Prosthesis

Myofunctional appliance

Ans: 2

20. Porcelain laminate veeners during adhesion get maximum retention through ?

Composite resin, Salanation, luting agents, acid etching and porcelain

Ans: 1

21. Non Active Carious lesion is distinguished by all except ?

Covered by a layer of plaque

Soft and leathery in consistency

Brown or Black discoloration

Severe pain during caries removal

Ans: 2

22. The most important criteria in using irrigation solution is ?

Volume of irrigant

Thickness of syringe used

Concentration of irrigant

None of the above

Ans: 1

23. An Ideal result in Endodontic treatment is deposition og which of the following at the apex ?

Bone

Cementum

Dentin

PDL Fibers

Ans: 2

24. An avulsed tooth before replantation should be treated with

Doxycycline

Dexamethasone

Ampicillin

Ibuprofen

Ans: 1

25. During Orthodontic movement of maxillary Central Incisor, Center of rotation is present at Apex, it shows ?

Controlled Tipping

Uncontrolled Tipping

Translation

Intrusion

Ans: 1

26. During which orthodontic tooth movement centre of rotation is at bracket slot ?

Controlled Movement

Torque

Rotation

Translation

Ans: 2

27. The highest point in the concavity present behind the occipital condyle is ?

Basion

Bolton Point

Porion

Gonion

Ans: 2

28. Dontrix Gauge is used for ?

Measurement of wire strength

Measurement of Force

Measurement of wire distortion

Measurement of wire deformation

Ans: 2

29. In Normal edge and centroid relationship ?

Edge and Centroid are in one plane

Edge is in front of centroid

Edge is behind the centroid

None of the above

Ans: 2

30. In a 6 yr old child the fear of dentistry is ?

Objective fear

Subjective fear

Psychological fear

Both objective and Subjective fear

Ans: 2

31. Most commonly anterior crossbite in mixed dentition is due to ?

Prolonged retention of deciduous teeth

Jaw discrepancy

Thumb sucking

Mouth breathing

Ans: 1

32. Seizure especially seen in children with no aura is ?

Grandmal epilepsy

Petitmal epilepsy

Infantile Epilepsy

Tonic Clonic Epilepsy

  Ans: 2

33. Width of Attached gingival is least in ?

Maxillary Central Incisor

Maxillary 1st Premolar

Mandibular 1st Premolar

Mandibular Central Incisor

Ans: 3

34. Dendritic cells are located in the basal layer are ?

Basket Cells

Melanocytes

Keratinocytes

Merkel Cells

Ans: 2

35. The cells which secrete maximum amount of antibodies ?

Lymphocytes

Monocytes

Plasma cells

Mast cells

Ans: 3

36. All fo following are used to maintain proper oxygen flow to the patient except ?

Placement of nitrogen flow meter downstream of the oxygen flowmeter

A proportionate between N2 and O2 control valve

Different pin index for nitrogen and Oxygen

Calibrated Oxygen concentration analysis

Ans: 3

37. Order of Sensitivity of nerve fibers to local anaesthesia in decreasing order ?

Pain (C and A-Delta fibers), preganglionic sympathetic (B) Motor

Preganglionic Sympathetic (B), Pain (C and A-delta), Sensory Motor

Pain (C and A Delta), sensory, motor, preganglionic sympathetic (B)

Preganglionic Sympathetic (B), Sensory, Motor, Pain (C and A-delta)

Ans: 2

38. Following is the 1st sign that appeared in Shock ?

Hypotension

Tachycardia

Hypertension

Syncope

Ans: 2

39. A patient with Lefort II, Lefort III and nasoethmoidal fracture with intermaxillary fixation done is best intubated by ?

Nasal Intubation

Oral Intubation

Submental Intubation

All of the above

Ans: 3

40. A patient with Extracted IIIrd Molar complains of loss of blood clot, pain with no fever and swelling, is best treated by ?

Irrigation of socket with sedative and placement of analgesic

Curettage of socket and induces bleeding

Left untreated and observe for few days

Start antibiotics followed by curettage of socket

Ans: 1

41. Parasthesia in inferior alveolar nerve block mainly occurs due to ?

Low acidic pH

Injury of medial pterygoid

Contact of needle to nerve trunk

Injury to lateral pterygoid

Ans: 3

42. Hematoma formation during or immediately following a PSA block is most likely result of damage to ?

Injection in pterygoid plexus

Injection in Facial Artery

Injection into internal maxillary artery

Injection in small capillaries and arterioles

Ans: 1

43. The Cardiopulmonary Resuscitation should be ?

2 inches per second

1 inch persecond

2 inches per 5 seconds

2 inches per 3 seconds

Ans: 1

44. Anterior displacement of fractured condyle is due to ?

Lateral Pterygoid

Buccinator

Medial Pterygoid

Temporalis

Ans: 1

45. Muscle attached with articular disc and have role in displacement in condylar fracture ?

Lateral Pterygoid

Medial Pterygoid

Masseter

Temporalis

Ans: 1

46. The PHP index describes ?

Performance of hygiene by patient after brushing self evaluation

Measures oral hygiene and gingival bleeding

Scores the plaque and gingivitis

Evaluates plaque and calculus on specific tooth surface

Ans: 1

47. Which of the following is an example of disability limitation ?

Reducing occurrence of Polio by immunization

Arranging for schooling of child suffering from PRPP

Resting affected limbs in neutral position

Providing callipers for walking

Ans: 3

48. All of the following indicators are included in physical quality of life index (PQLI) except ?

Infant mortality rate

Life expectancy at age one

Literacy rate

Per capita income

Ans: 4

49. Least common complication of measles is ?

SSPE

Pneumonia

Otitis Media

Keratomalacia

Ans: 1

50. Which is true about BCG vaccination ?

Distilled water is used as diluents for BCG

The site of injection should be cleaned with spirit

Montoux test becomes positive after 48 hours of vaccination

WHO recommended Danish 1331 strain for vaccine production

Ans: 4

51. True about endemic typhus ?

Man is the only reservoir of infection

Flea is a vector of the disease

A Rash developing is not an eschar is characteristic

Culture is the diagnostic modality

Ans:  2

52. A Study was conducted to test if use of herbal tea played any role in prevention of common cold. Data was collected on the number of people who developed cold and those who did not develop cold and this data was tabulated in relation to whether they consumed Herbal tea or not:

The analysis test of choice to test this study is ?

Student t test (unpaired)

Student t test (paired)

Chi square test

‘Z’ test

Ans: 3

53. Which of the following oropharyngeal function is not involuntary ?

Tongue Position

Gagging

Respiration

Speech

Ans: 4

54. Tongue movement has primarily its effect on ?

Lip

Cheek

Palatoglossal Arch

Facial Musculature

Ans: 3

55. All of the following occurs in Adrenal deficiency except ?

Hypoglycemia

Hypocalcemia

Hypotension

Hyponatremia

Ans: 2

56. Site of RBC formation in 20 yr old healthy male is ?

Flat bones

Long Bones

Liver

Yolk Sac

Ans: 1

57. Brocas Area is concerned with ?

Word formation

Comprehends language not speaking

Present in posterior part of temporal lobe

Is the confluence of somatic, auditory and visceral areas

Ans: 1

58. The nucleus involved in papez circuit is ?

Pulvinar

Intralaminar

VPL Nucleus

Anterior nucleus of thalamus

Ans: 4

59. The mechanism of hearing and memory includes all except ?

Changes in level of neurotransmitter at synapse

Increasing protein synthesis

Recruitment by multiplication of neurons

Spatial recognition of synapse

Ans: 3

60. The processing of short term memory to long term memory is done in ?

Prefrontal cortex

Hippocampus

Neocortex

Amygdla

Ans: 2

61. Delta Waves are seen in ?

Deep Sleep

REM Sleep

Awake state

Stage I NREM Sleep

Ans: 1

62. Which of the following hormone has greatest effect on granulation tissue in wound healing ?

ADH

Oestrogen

Parathormone

Cortisol

Ans: 4

63. Pernicious Anemia occurs due to the deficiency of ?

Folic acid

Cyanocobalamine

Riboflavin

Pyridoxin

Ans: 2

64. Which of the following factors are associated with Vitamin K ?

II, VII, IX, X

III, X, XII

V, VII, IX

II, VII, VIII

Ans: 1

65. The fading of nuclear chromatin of necrotic cells is ?

Karyolysis

Karyorrhexis

Pyknosis

Hyperchromatin

Ans: 1

66. When malignant cells resemble more primitive, undifferentiated cells than those from which they arose, they are said to be ?

Anaplastic

Metaplastic

Hypoplastic

Desmoplastic

Ans: 1

67. The following drug is not useful for MRSA ?

Cefaclor

Cotrimoxazole

Ciprofloxacin

Vancomycin

Ans: 1

68. Which drug is not acetylated ?

INH

Dapsone

Hydralazine

Metoclopropamide

Ans: 4

69. A 70 year old male develops pneumonia and septicemia. Patient goes into renal failure and has a BP of 70/50 mm Hg. Drug that should be used to maintain B.P is ?

Adrenaline

Ephedrine

Phenylephrine

Nor Epinephrine

Ans: 4

70. Centrinueraxial (Spinal Epidural) anaesthesia is not contraindicated in ?

Platelets <80,000

Patient on Asprin

Patient on Oral anticoagulatns

Raised intracranial pressure

Ans: 2

71. A young male patient presented with UTI. On urine examination pus cells were found but no organisms. Which method would be best used for culture ?

Mc Coy Culture

Thayer Martin Medium

L.J medium

Levinthal medium

Ans: 1

72. A farmer presents with pustules, which show Gram positive cocci on smear. Culture shows beta hemolysis and organisms are catalase negative. To show that the identified organism is group A Streptococci, which of the following test should be done ?

Bacitracin sensitivity

Optochin sensitivity

Novobiocin sensitivity

Bile Solubility

Ans: 1

73. Which of the following bacteria act by increasing C-AMP ?

Vibrio Cholera

Staphy Aureus

L-coli heat stable

Salmonella

Ans: 1

74. Brucella is transmitted by all except ?

Through the placenta of animals

Aerosal transmission

Person to person

Eating uncooked food

Ans: 3

75. Infectious Mononucleosis is caused by ?

Epstein Bar Viurs

Herpes Cimplex Virus

Cytomegalovirus

Varicella Zooster Virus

Ans: 1

76. Multiple punched out lesions are seen in ?

Multiple myeloma

Sickle cell anemia

Polycythemia

Thalassemia

Ans: 1

77. The Lesion which is erythematous and with recurrent vesicles which are distributed along the sensory nerve trunk is ?

Herpes Zooster

Erythema Multiforme

Recurrent Apthous

Herpes Gingivostomatitis

Ans: 1

78. Most common variation is developmental tooth mass is seen in ?

Maxillary lateral incisor and 3rd molar

Mandibular premolar and 3rd molar

Mandibular premolar and Maxillary lateral incisor

Maxillary canine and 3rd molar

Ans: 1

79. Abnormal laboratory finding in hemophilia is ?

Increased PTT

Increased PT

Increased CT

Increased BT

Ans: 1

80. A Union of the roots of adjacent teeth through the cementum is referred to as ?

Concrescence

Gemination

Fusion

None

Ans: 1

81. Torus mandibularis is most commonly seen in the region of ?

Incisor region

Canine region

Premolar region

Molar region

Ans: 3

82. Multiple retained decidious teeth are seen in ?

Cleidocranial dyostoses

Osteogenesis imperfecta

Amelogenesis imperfecta

Craniofacial dysostoses

Ans: 1

83. Which of the following disease is most commonly associated with periodontal disorder ?

AIDS

Hypophosphatemia

Wegners Granulomatosis

Histocytoses – x

Ans: 1

84. The cyst located at the junction of medial nasal process, lateral nasal process and maxillary process ?

Globulomaxillary cyst

Nasoalveolar cyst

Nasopalatine cyst

Median Palatine cyst

Ans: 1

85. Most common primary bone tumor is ?

Osteosarcoma

Ewings sarcoma

Metastatic carcinoma

Multiple Myeloma

Ans: 4

86. In Glass gow coma scale a patient with V4 E5 M6 a total score of 15 indicates ?

A normal patient with normal verbal and eye response and obeys full commands

Ans: 1