medical MCQs – Page 207

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 Review each marked answer and report any item that may be outdated or unclear.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

4121. The shortest root on a maxillary first molar is_____________?
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A. Lingual

B. All are of equal length

C. Mesio- buccal

D. Disto buccal

4122. The shape of the occlusal surface of the permanent maxillary first molar is_______________________?
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A. Rhomboidal

B. Triangular

C. Oval

D. Trapezoidal

4123. Tetany is characterized by ________________?
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A. Increased serum calcium concentration

B. Hypertonicity of muscles

C. Hypotonicity of muscles

D. None of the above

4124. Which of the following hormones is released from the posterior pituitary ?
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A. ACTH

B. Antidiuretic hormone

C. Luetinizing hormone

D. Growth hormone

4125. Largest embrasure lies between______________?
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A. Maxillary lateral incisor and canine

B. Maxillary central incisors

C. Maxillary central and lateral incisor

D. Maxillary canine and first premolar

4126. Which bifurcation is closet to the cervical line (or) which surface has short root trunk length in a maxillary permanent first molar ?
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A. Mesial

B. Buccal

C. None of the above

D. Distal

4127. A child is below the third percentile for height. Growth velocity is normal, but chronologic age is more than skeletal age. The most likely diagnosis is______________?
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A. Hypopituitarism

B. Genetic short stature

C. Primordial dwarfism

D. Constitutional delay in growth

4128. The largest permanent tooth in the mouth usually is_____________?
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A. Mandibular first molar

B. Maxillary canine

C. Mandibular canine

D. Maxillary first molar

4129. The interdental papilla is located in the______________?
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A. Lingual embrasure

B. Occlusal embrasure

C. Cervical embrasure

D. Facial embrasure

4130. In which of the tooth is the mesiodistal measurements is greater lingually than facially_____________?
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A. Maxillary 1st molar

B. Mandibular 1st premolar

C. Maxillary 1stpremolar

D. Mandibular 2ndpremolar

4131. The term contact point which is often used to designate the contact of teeth i the same arch is a_____________?
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A. Antonym

B. Synonym

C. Laevonomer

D. Misnomer

4132. A child with stunted growth with a stuffed belly, and short stature with mental retardation is suffering from the deficiency of which of the following______________?
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A. Growth hormone

B. Thyroxine

C. Rickets

D. Parathyroid

4133. Glucagon is secreted by ____________?
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A. Alpha cells of pancreas

B. Beta cells of pancreas

C. None of the above

D. Gamma cells of pancreas

4134. Contact areas of anterior teeth which are placed in centre of middle third ____________?
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A. Mesial contacts of maxillary lateral and canine

B. Mesial contacts of maxillary first and second premolar

C. Distal contacts of maxillary laterals and canine

D. Distal contacts of maxillary centrals and laterals

4135. Aldosterone______________?
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A. Increases reabsorption of sodium

B. Increases exceretion of potassium

C. Increases retention of sodium

D. Both A and B

4136. Oxytocin causes all accept_______________?
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A. Milk ejection

B. Lactogenesis

C. Contraction of uterine muscle

D. Myoepithelial cell contraction

4137. Which of the following is called hunger hormone______________?
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A. Pituitary

B. Thyroxine

C. Glucagon

D. Epinephrine

4138. Which hormone , together with the catecholamines enhances the tone of vascular smooth muscle and assists in elevating blood pressure ?
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A. Glucagon

B. Parathyroid hormone

C. Cortisol

D. Thyroxine

4139. Ovulation is associated with sudden rise in______________?
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A. L.H

B. Testosterone

C. Prolactin

D. Oxytocin

4140. The following hormones increase the blood glucose level except_____________?
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A. Epinephrine

B. Parathormone

C. Thyroxine

D. Growth Hormone

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