medical MCQs – Page 201

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 Review each marked answer and report any item that may be outdated or unclear.

4001. The only sugar normally absorbed in the intestine against a concentration gradient is_____________?
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A. Glucose

B. Galactose

C. Mannose

D. Xylose

4002. Which is the predominant factor in the formation of the alveolar process_____________?
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A. Overall growth of the bodies of the maxilla and the mandible

B. Lengthening of the condyle

C. Normal process of growth

D. Eruption of teeth
4003. Hypothyroidism should be treated with daily administration of which of the following thyroid hormone preparations ?
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A. Thyroxine (T4)

B. Thyroid extract

C. Thyroglobulin

D. Triiodothyronine (T3)

4004. In an ideal occlustion buccal cusps of maxillary teeth, occlude with______________?
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A. Grooves and embrasures

B. Lingual cusps of mandibular teeth

C. Occlusal pits and fissures of mandibular teeth

D. Fossa and rdges

4005. Gastro intestinal hormone in the following is_______________?
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A. Ptyalin

B. Cholecystokinin

C. Pepsin

D. Trypsin

4006. Precursor of melanin is________________?
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A. Phenylalanine

B. Tyrosine

C. Methionine

D. Tryptophan

4007. The process by which a base sequence of messenger RNA is synthesized (by a RNA polymerase) on a template of complementary DNA is called______________?
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A. Transduction

B. Translocation

C. Translation

D. Transcription
4008. Collagen is rich in_____________?
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A. Alanine and glycine

B. Glutamate and proline

C. Proline and glycine

D. Glutamate and glycine

4009. What is the functional form of anterior teeth from the mesial or the distal aspect ?
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A. Wedge- shaped

B. Elliptical

C. Trapezoidal

D. Rhomboidal

4010. Glossopharyngeal nerve supplies posterior part of tongue because it develops from_____________?
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A. Hyoid arch

B. Mandibular arch

C. Hypobranchial eminence

D. Tubercuum impar

4011. Which of the following are the unctions of contact areas______________?
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A. Stabilization of dental arches

B. All of the above

C. Protection of periodontium

D. Distribution of occlusal stresses

4012. If a mandibular canine has bifurcated roots, they are most commonly placed_______________?
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A. Mesiobuccal and distobuccal

B. Mesiolingual and distolingual

C. Facial and lingual

D. Mesial and distal

4013. FSH is secreted by_____________?
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A. Theca intern cells

B. Basophils

C. Acidophiles

D. Chromophobes

4014. Iodine is primarily important in the biochemical synthesis of______________?
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A. ACTH

B. Calcitonin

C. Thyroxine

D. Adrenaline

4015. Hormones, which stimulate spermatogenesis, are______________?
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A. Testosterone and F.S. H

B. Insulin and glucagon

C. A.D.H. and Oxytocin

D. Thyroxine and parathormone

4016. In head and neck the parasympathetic system in innervates the____________?
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A. Salivary and lacrimal glands

B. Salivary and mucous glands

C. Lacrimal gland only

D. Salivary glands only

4017. A distinguishing characteristic of a maxillary first premolar that identifies it as right or left is the________________?
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A. Flattened area beneath the contact on the distal surface

B. Greater length of the mesial cusp ridge on the lingual cusp ( AIPG- 98)

C. Mesial inclination of the lingual cusp

D. Height of the lingual cusp

4018. Which of the following hormones increase the sensitivity of heart to epinephrine________________?
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A. Parathyroid

B. Glucagon

C. Thyroid

D. Insulin

4019. 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. Mesiodistal crown width

C. Faciolingual crown width

D. Root length
4020. The maxillary tooth exhibiting the greatest variation in root alignment is______________?
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A. Third molar

B. Central incisor

C. First premolar

D. Second molar