medical MCQs – Page 202

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 Review each marked answer and report any item that may be outdated or unclear.

medical Mcqs

1. oral anatomy 2. microbiology 3. oral pathology and medicine 4. physiology 5. biochemistry 6. general anatomy 7. dental materials 8. pharmacology 9. pathology 10. oral histology

4021. Mesial contact area of the permanent canine is at the______________?
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A. None of the above

B. Middle third

C. Junction of the middle and cedrvical thirds

D. Junction of the incisal and middle thirds

4022. Which cusp is poorly developed in a permanent maxillary second molar_____________?
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A. DB

B. MB

C. ML

D. DL

4023. The hypoglossal nerve is the motor nerve to all of the muscles of the tongue except, the____________?
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A. Superior longitudinal muscle

B. Genioglossus

C. Palatoglossus

D. Inferior longitudinal muscle

4024. Aldosterone secretion is increased when there is a fall in____________?
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A. Angiotensin II level

B. pH of the plasma

C. Plasma Na+

D. Plasma K+

4025. Features of hypothyroidism does not include______________?
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A. High TSH levels

B. Obseity

C. Hypertension

D. Increased risk of infections

4026. The effect which is seen due to decrease in serum calcium concentration is_______________?
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A. Relaxation of muscle

B. Depression of Nervous system

C. Increase the renal absorption

D. Excitability of the muscle

4027. Mesial concavity making the prognosis poor for a furcation involvement is present in_____________?
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A. Maxillary canine

B. Mandibular 1st premolar

C. Maxillary 1st premolar

D. Maxillary 2nd premolar

4028. Which of the following premolars has a mesial marginal ridge more cervical than the distal marginal ridge________________?
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A. Mandibular 2nd premolar

B. Maxillary 1st premolar

C. Mandibular 1st premolar

D. Maxillary 2ndpremolar

4029. Which of the following results due to excessive parathormone secretion_______________?
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A. Increased serum calcium

B. Decrease excretion of calcium

C. Increased excretion of phosphates

D. Increase excretion of calcium

4030. All are true about calciotraumatic line, except______________?
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A. It remains after caries is removed

B. Due to caries

C. Because of odontoblastic migration from cell rich zone

D. Due to death of odontoblastic layer

4031. The lingual cusp of lower first premolar is compared to the development of____________?
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A. Lingual cusp of second premolar

B. Distolingual cusp of molars

C. Cingulam of canine

D. Cusp of carabelli

4032. The largest embrasure in posterior teeth is the__________?
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A. Distal

B. Lingual

C. Buccal

D. Occlusal

4033. In which of the following a nonfunctional cusp is present________________?
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A. Mandibular 1st molar

B. Maxillary 2ndmolar

C. Maxillary 1st molar

D. Mandibular 2nd molar

4034. Vasopressin is synthesized in the_____________?
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A. Juxtaglomerular apparatus

B. Hypothalamus

C. Vasomotor center

D. Anterior pituitary

4035. The mesial contact are of the permanent canine is at the_______________?
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A. Junction of the middle & cervical thirds

B. None of the above

C. Junction of incisal and medial thirds

D. Middle third

4036. The hormone whose deficiency causes diabetes insipidus is released from which nucleus of pituitary ________________?
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A. Paraventricular

B. Suprachiasmatic

C. Supraoptic

D. Pre optic

4037. The mesial surface of the crown is almost parallel to long axis and the root of a______________?
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A. Maxillary 1st premolar

B. Maxillary canine

C. Mandibular canine

D. Mandibular 2nd premolar

4038. Calcitonin is released by ___________________?
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A. Parafollicular cells of thyroid

B. Granular cells of adrenal gland

C. Chief cells of thyroid

D. Stratum fasciculata of adrenal gland

4039. Glucose tolerance test is usually done to assess_____________?
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A. Acute Pancreatitis

B. Endocrine Dysfunction of Pancreas

C. Carcinoma of Head of Pancreas

D. Acinar Function of the Pancreas

4040. Which of the premolars is usually the smallest____________?
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A. Mandibular first

B. Maxillary first

C. Mandibular second

D. Maxillary second

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