Rx McQ's: May 2011

422: DMF teeth

a) 28
b) 32
c) 30
d) 26

Ans: B[Ref. Soben peter 3rd ed pg 178]

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421: Pma refers to

a) Periodontal index
b) Caries index
c) Materia alba index
d) Pulp capping material

Ans: A[Ref.Soben peter 3rd ed pg 147]

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420: How many scores are used in Dean's fluorosis index?

a) 4
b) 6
c) 7
d) 5

Ans: B[Ref.Soben peter 3rd ed pg 203]

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419: The must age specific index is

a)DMFT
b) DMF
c) Def
d) All of the above

Ans: C[Ref. Soben peter 3rd ed pg 184]

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418: Prevalence of a disease is:

a) Rate
b) Ratio
c) Proportion
d) Deviation

Ans: C[Ref.Soben peter 3rd ed pg 87]

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417: A series may have all except:

a) No mode
b) One mode
c) Many mode
d) Nagative mode

Ans:D[Ref.Tyagi Ist ed pg 56]

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416: In a random sampling chance of being piced up is

a) Same and known
b) Not same and not known
c) Not same but known
d) Same and not known

Ans:D[Ref.Soben peter 3er ed pg 24,25]

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415: Prevalence of the disease affects

a) Sensitivity
b) Specificity
c) Predictive
d)Pictogram

Ans: C

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414: A normal distribution curve depends on

a) Mean and sample size
b) Range and sample size
c) Mean and standard deviation
d) Mean and median

Ans: C[Ref.Soben peter 3ed ed pg 38]

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413: Standard deviation is a measure of:

a) Correlation
b) Statistical
c) Central
d) Variation

Ans:D[Ref.Soben peter 3rd ed pg 36]

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412: Census is conducted every

a) 2 years
b) 5 years
c) 7 years
d) 10 years

Ans: D

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411: Father of health statistics is

a) John snow
b) John Graunt
c) Frederick Mc kay
d) Pierre Fauchard

Ans: B[Ref. Soben peter 3rd ed pg 20]

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410: Worst position of scars is:

a) Back
b) Shoulder
c) Sternum
d) Abdomen

Ans:C[Ref.Manipal Manual of surgery pg 6]

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409:The best dressing for open wounds is

a) Skin
b) Amnion
c) Opsite
d) Tulle grass

Ans: A[Ref. B & L 23rd ed pg 29]

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408: The complication after tonsillectomy is

a) Heamorrhage
b) Otalgia
c) Infection
d) All of the above

Ans: D[Ref. B & L 23rd ed pg 689 /24th ed pg 759]

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407: Paucity of pus is seen in

a) Quinsy
b) ludwig angina
c) Carbuncle
d) Mellaroys disease

Ans: B

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406: Bedsore is an example of:

a) Tropical ulcer
b) Trophic ulcer
c) Venous ulcer
d) Post thrombotic ulcer

Ans: B[Ref. B & L 24th ed pg 939]

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405:Undermined ulcer is present in

a) Syphilis
b) TB
c) Basal cell carcinoma
d) Hodgkin's lymphoma

Ans: A[Ref. B & L 23rd rd pg 159]

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404: Sebaceous cyst does not occur in the

a) Sclap
b) Scrotum
c) Back
d) Sole

Ans: D[Ref. B & L 23th ed pg 173]

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403: Cystic hygroma is

a) A from of hydrocele
b) A branchial cleft cyst
c) Salivary gland enlargement
d) Lymphangioma

Ans: D[Ref. B & L 23rd ed pg 700 / 24th ed pg 771]

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402: Hynes pharyngoplasty is used to improve a child's

a) Appearance
b) Teething
c) Speech
d) Feeding

Ans: C[Ref. B & L 23rd ed pg 592 / 24th ed pg 651]

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401: Commonest type of cleft lip is

a) Bilateral
b) Midine
c) Combined with cleft palate
d) Unilateral

Ans: C[Ref. B & L 23rd ed pg 586 / 24th ed pg 645]

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400: Angle's class II malocclusion is found in India

a) 60%
b) 30%
c) 5%
d) < 5%

Ans: B[Ref.M.S.RANI 3rd ed Pg 22]

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399: The six keys to normal occlusion was introduced by:

a) Dewey
b) Andrews.
c) Tweed
d) Angle

Ans: B[Ref.Bhalajhi 3rd ed Pg 59]

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398: Incomplete overbite is:

a) Open bite
b) Deep overbite
c) Overbite with no overbite
d) Overjet with no overbite

Ans:D[Ref.Bhalajhi 3rd ed pg 433 Fig (1)]

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397:Which of following is used as antiflux

a) Borax
b) Boric acid
c) Carbonate
d) Graphite

Ans:D[Ref.Bhalajhi 3rd ed Pg 474]

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396:Surgery of the cleft lip should be carried out at

a) 20-30 weeks
b) 2-12 months
c) 3-6 months
d) 5 years

Ans: C[Ref.Bhalajhi 3rd ed pg 446]
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395: Silver tatoo is due to

a) Deposition of Ag Amalgam in Mucosa
b) Deposition of Ag Amalgam in Bone
c) Deposition of Ag Amalgam in Dentin
d) Deposition of Ag Amagam in Enamel

Ans: A[Ref.Shafer 4th ed Pg 579 / 5th ed Pg 776-77]

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394: Which is not true of ludwig's angina?

a) Usually arises from an infected molar
b) Invoves submandibular space.
c) May need emergency tracheostomy
d) None of the above

Ans: D[Ref. Shafer 4th ed Pg 517 / 5th ed Pg 706-07]

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393: An acute apical abscess is usually a result of:

a) Periodontal Pocket
b) Occlusal inr\terference
c) Necrotic pulp
d) Chronic gingivitis

Ans: C[Ref.Shafer 4th ed Pg 498 / 5th ed Pg 682]

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392: Grinspan syndrome is assciated with

a) Leukoplakia
b) Lichen plam\nus
c) Aphthous ulcer
d) Oral submucous fibrosis

Ans:B[Ref.Burket 10th ed Pg 1103]

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391: Tzanck cells are seen histolgically in association with:

a) Small pox
b) Pemphigus
c) Systemic sclerosis
d) Erythema multiforme

Ans: B[Ref.Shafer 4th ed pg no 832 /5th ed pg 1128]

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390:Immunoflourescence test is positive in:

a) Psoriasis
b) Pemphigus
c) Lupus erythematosus
d) Scleroderma

Ans: B[Ref.Shafer 4th ed pg 834 /5th ed pg 1128-29]

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389: White radiating lines can be observed in case of lesions of

a) Lichen planus
b) Erythema multiforme
c) Pemphigus
d) Leukoplakia

Ans: A[Ref.Shafer 4th ed pg 810 / 5th ed pg 1104]

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388.In myasthenia gravis, autoantibodies are directed against which of the following structures?

A.Sarcomere
B.Acetylcholine receptor C.Myocyte nucleus
D.Sarcolemmal membrane

Ans-B.Acetylcholine receptor

387.Cerebral embolism occurring as a complication of myocardial infarction is MOST indicative of which of the following?

A.Mural thrombosis
B. Phlebothrombosis
C.Decreased stroke volume
D. Lack of collateral circulation

Ans-a.Mural thrombosis

386. Excessive deposits of copper in liver cells, degenerative changes in the brain, and a greenish-brown ring at the outer margin of the cornea characterize which of the following?

A Galactosemia
B. Phenylketonuria
C. Wilson's disease
D. Diabetes mellitus

Ans-c.wilson's disease

385.Which of the following conditions predisposes to lung cancer by causing squamous metaplasia of bronchial epithelium?

ABronchiectasis
B. Bronchial asthma
C.Chronic bronchitis
D. Bronchial carcinoid

Ans-C.Chronic Bronchitis

384.An autosomal dominant trait showing 50 percent penetrance will be phenotypically expressed in what percent of the offspring?

A. 0

B. 25

C. 33

D. 50

Ans-b.25%

383.The deviation of the apical foramen from the centre of root apex

a.0-0.2mm

b.0.2-0.5mm

c.0.5-1mm

d.1-2mm

Ans-b.0.2mm-0.5mm

382.Which of the following partially or completely disappears visually when the enamel is hydrated

a.Incipient caries
b.Hypocalcified enamel
c.Tetracycline stains
d.Flouride stains
Ans-a.Incipient caries

381.Resistance to torquing is produced by acheiving

a.Buccal hook

b.Truss effect

c.Lingual hook

d.Proximal hook

Ans-c.Lingul hook

380.Twin wire appliance is a

a.Fixed appliance
b.Removable appliance
c.Functional appliance
d.Sectional fixed appliance

Ans-a.Fixed appliance
Ref-Profitt 4th ed pg 371

379.Hand wrist radiographs provide a view of

a.25 bones
b.27 bones
c.30 bones
d.32 bones

Ans-30 bones
Ref -Profitt 4th ed pg 103

378.Which of the following is not seen in cleft lip and palate

a.Enamel hypoplasia

b.Developmental cyst

c.supernumerary teeth

d.Missing teeth

Ans-b.Developmental cyst

Ref shoba tandon Ist ed pg 581

377.dentinogenesis imperfect occurs in which stage of tooth development

a.initiation

b.histodifferentiation

c.morphodifferentiation

d .maturation

Ans-b.histodifferentiation

Ref mc donald 8th ed pg 53

376.The difference in color of subgingival and supragingival calculus is due to

a.ph of saliva
b.death of leucocytes
c.hemolysis of erythocytes
d.none

Ans-c.hemolysis of erythrocytes

375.The protiens found in the attachement plaque

a.albumin and globulin
b. amelogenin and enamelin
c.sialoprotien
d.desmoplakin and plakoglobin

Ans-d.desmoplakin and plakioglobin

375.Biological width means

a.sumof connective tissue and junctional epethilium

b.distance from the tip of the papilla to th base of the sulcus

c.distance from the marginal gingiva to mucogingival junction

d.distance from the incisal edge of the tooth to the mucogingival junction

Ans-a.sum of connective tissue and junctional epethilium

Ref-carranza 10th ed pg 1044

374.The gingiva is attached to the tooth by

a.lamina propria

b.periosteum

c.epithelial attachement

d.gingival fibres

Ans-d.gingival fibres

ref carranza 10th ed pg 54

373:Ghost (shadow) cells are seen in

a) Amelobastic fibroodontoma
b) Calcifying odontogenic tumor
c) compound odontoma
d) all of the above

Ans: D[Ref.shafer 5th ed pg 406,407]
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372: Oral,ocular and genital lessions are seen in:

a) Erythema multiforma
b) Stevens-Johnson syndrome
c) SLE
d) None of the above

Ans: B[Ref.Shafer 4th ed pg 818 /5th ed pg 1111]

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371: Patient suffering from eagle's syndrome complains of

a) Burning sensations in mouth
b) Excessive salivation
c) Glossodynia
d) Dysphagia

Ans: D[Ref.Shafer 4th ed pg 864 /5th ed pg 1177]

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370: Which of the following structures are associated with bells palsy

a) Sub mandibular gland
b) Seventh cranial nerve
c) Temporomandibular joint
d) Glosso pharyngeal nerve

Ans: B[Ref. Shafer 4h ed pg 859 / 5th ed pg 1170]

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369: Albers-Schonberg'sdisease is:

a) cherubism
b) Ameloblastoma
c) Osteopetrosis
d) Fibrous dysplasia

Ans: C [Ref.Shafer 5th ed pg 982]

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368:Angular stomatitis

a) Can be a concomitant of any candidal infection
b) Is seen mainly in adults
c) May be associated with streptococcus
d) May be a sign of anaemia

Ans: A[Ref.shafer 4th ed pg 556 / 5th ed pg 1246-47]

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367: Pioneer bacteria in dental caries are in

a) Enamel
b) Dentin
c) Pulp
d) Cementum

Ans:B[Ref.Shafer 4th ed pg 443 /5th ed pg 623]

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366: Submerged teeth are

a) Ankylosed teeth
b) Uneruped teeth
c) Impacted teeth
d) Intruded teeth

Ans: A[Ref.shafer 5th ed pg 86,87]

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365: Hairy tongue is characterized by

a) Hypertrophy of fungiform papillae
b) Hypertrophy of foliate papillae
c) Hypertrophy of filiform papillae
d) Hypertrophy of circumvallate papillae.

Ans: C[Ref.shafer 4th ed pg 29 / 5th ed pg 41]

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