medical MCQs – Page 269

Practise multiple-choice questions from medical for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

5361. The maxillary lateral incisor is smaller than the maxillary central incisor on all aspects EXCEPT which one of the following______________?
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A. Crown length

B. Faciolingual crown width

C. Mesiodistal crown width

D. Root length
5362. Maxillary first molar has how many roots ?
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A. 1 mesial and 1 distal

B. 1 lingual and 2 facial

C. 1 mesial and 2 buccal

D. 1 facial and 2 lingual

5363. The most common curvature of the palatal root of maxillary first molar is_____________?
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A. Lingual

B. Facial

C. Mesial

D. Distal

5364. Which of the following has a bifid root ?
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A. 31,41

B. 34,44

C. 32,42

D. 13,23

5365. Which cusp is poorly developed in a permanent maxillary second molar_____________?
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A. DL

B. MB

C. DB

D. ML

5366. Mandibular second premolar 3- cusp type id developed from_______________?
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A. 6

B. 3

C. 5

D. 4

5367. The contact area on the distal surface of a maxillary first premolar should be placed in________________?
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A. Middle 3rd with facial embrasure greater than the lingual embrasure

B. Occlusal 3rd of proximal surface with facial embrasure greater than lingual embrasure

C. Occlusal 3rd of proximal surface with the lingual embrasure greater than facial embrasure

D. Middle 3rd of proximal surface with lingual embrasure greater than the facial embrasure
5368. An imaginary occlusal curve that contacts the buccal and lingual cusp tips of mandibular buccal teeth is called the _____________?
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A. Monson curve

B. Wilson curve

C. Catenary curve

D. Curve of spee

5369. Which of the following is true for permanent teeth________________?
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A. All of the above

B. Maxillary roots are inclined distally where as Mandibular roots are inclined mesially

C. Buccal cusps of lower and lingual cusps of upper are the functional cusp

D. Maxillary molars are buccally inclined and Mandibular molars are inclined lingually

5370. Depression of mandible is achieved by_______________?
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A. All of the above

B. Digastric

C. Lateral pterygoid

D. Geniohyoid

5371. If the pulp of a single rooted tooth canal were triangular in cross section with the base of the triangle located facially and the apex lingually with a longer mesial side than distal side; the tooth most likely is_____________?
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A. Mandibular lateral incisor

B. Mandibular central incisor

C. Maxillary central incisor

D. Maxillary second premolar

5372. If a mandibular canine has bifurcated roots, they are most commonly placed_______________?
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A. Facial and lingual

B. Mesial and distal

C. Mesiobuccal and distobuccal

D. Mesiolingual and distolingual

5373. Which of the following do not contribute to arch stability ?
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A. Cusps

B. Root forms

C. Periodontal fibers

D. Embrasures
5374. In which of the tooth is the mesiodistal measurements is greater lingually than facially_____________?
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A. Maxillary 1stpremolar

B. Mandibular 2ndpremolar

C. Mandibular 1st premolar

D. Maxillary 1st molar
5375. The embrasure areas in the following areas are contentious______________?
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A. Labial and lingual

B. Lingual and Occlusal

C. Incisal and Occlusal

D. Labial and Occlusal

5376. The Window period in HIV infection means______________?
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A. The time lapse between obtaining the sample and detection of virus in the lab

B. The time lapse between the infection and development of AIDS

C. The time lapse between the infection and detection of viral antibodies

D. None of the above

5377. Human immune deficiency virus is ________________ virus?
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A. Retro

B. Rheo

C. Rhabdo

D. Flavi

5378. The classic opportunistic infection in acquired immune deficiency syndrome is_____________?
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A. Tuberculosis

B. Apthous stomatitis

C. Herpetic gingivostomatitis

D. Pneumocystis carinii pneumonia
5379. Most common opportunistic infection in AIDS is_____________?
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A. Aspergilosis

B. Cryptococcosis

C. Candidiasis

D. Tuberculosis

5380. Cytopathic effect is shown by_____________?
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A. Anaerobe

B. Bacteria

C. Spirochete

D. Virus