medical MCQs – Page 203

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 Review each marked answer and report any item that may be outdated or unclear.

4041. Cervical cross section of maxillary first premolar is_____________?
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A. Kidney shape

B. Oval

C. Dumbell

D. Elliptical

4042. The root trunk of permanent mandibular first molar buccally is______________?
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A. equal in length to the crown

B. Equal is length to the buccal bifurcation of the maxillary first molar

C. Equal is length to the mesial bifurcation of the maxillary first molar

D. None of the above

4043. Which teeth show less curvature on the crown above the cervical line than any other teeth_____________?
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A. Maxillary anterior

B. Mandibular anteriors

C. Mandibular canine

D. Maxillary canine

4044. Upper 4 resembles 5 from which aspect ?
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A. Occlusal

B. Buccally

C. Lingually

D. Proximally

4045. The most common curvature of the palatal root of maxillary first molar is_____________?
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A. Distal

B. Lingual

C. Mesial

D. Facial
4046. Main nerve supply of palatine tonsils is_______________?
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A. Lesser palatine nerve

B. Glossopharyngeal nerve

C. Facial nerve

D. Greater palatine nerve

4047. Trousseaus sign and chovsteks sings are positive in___________?
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A. Hyperparathyroidism

B. Hypothyroidism

C. Hyperthyroidism

D. Hypoparathyroidism
4048. Mesial slope of buccal cusp is longer than distal slope in_________________?
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A. Maxillary canine

B. Maxillary 2nd premolar

C. Maxillary 1st premolar

D. Mandibular canine

4049. The tip of nose is supplied by _________ nerve?
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A. Facial

B. Opthalmic

C. Mandibular

D. Maxillary

4050. Changes in biological activity occurring daily are referred as _________ rhythm?
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A. Circa sestin

B. Circannual

C. Circa triginatan

D. Circadian
4051. An 8 yr old child comes to your clinic with large front teeth having jagged margins, what is the treatment plan for this patient ?
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A. Build up other teeth to large size

B. Extraction of big teeth

C. Smoothen the jagged margins and apply fluoride varnish

D. Assure him and send him back
4052. The curvature of the cervical line of most teeth will be approximately____________?
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A. 1 mm less lingually than buccally

B. 2 mm less lingually than buccally

C. 2 mm less distally than mesially

D. 1 mm less distally than mesially
4053. The psterior belly of the digastric muscle is supplied by the_______________?
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A. Mylohyoid nerve

B. Facial nerve

C. Inferior alveolar nerve

D. Vagus nerve

4054. IN the adrenal gland, androgens are produced by the cells in the____________?
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A. Zona reticularis

B. Medulla

C. Zona glomerulosa

D. Zona fasciculata

4055. The nerve that emerges from the two superficial heads of lateral pterygoid muscle is______________?
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A. Nerve to pterygoid muscle

B. Inferior alveolar nerve

C. Massetric nerve

D. Buccale nerve
4056. Which of the following hormones exerts the least effect on calcium metabolism of bone tissue ?
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A. Anderogen

B. Nor epinephrine

C. Thyroid hormone

D. Estrogen

4057. The maxillary molar crown of an early fossil primate featured a trigone made of three main cusps, these cusps were_____________?
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A. Mesiobuccal, Distobuccal and Mesiolingual

B. Distrobuccal, distolingual and Mesiolingual

C. Distolingual, Mesiobuccal, and Linguo buccal

D. Mesiolingual, Mesiobuccal and distolingual

4058. Bone metabolism is controlled by ____________?
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A. All of the above

B. Vit D & Calcium

C. Calcitonin

D. Parathormone

4059. All of the following hormones have cell surface receptors except_____________?
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A. Thyroxine

B. Insulin

C. Adrenalin

D. Growth Hormone

4060. A pronounced developmental groove is usually present on the mesial marginal ridge of a permanent________________?
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A. Mandibular third molar

B. Maxillary second molar

C. Mandibular second premolar

D. Maxillary first premolar