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2431. In the intercuspal position, the lingual cusp of maxillary 2nd premolar contacts the______________?

September 27, 2025 by Admin

A. Distal fossa of mandibular 2ndpremolar

B. Mesial fossa of mandibular 1st molar

C. Distal marginal ridge of mandibular 2ndmolar

D. Distal marginal ridge of mandibular 1st premolar

✅ The correct answer is option A. Distal fossa of mandibular 2ndpremolar.

Which of the following is a precursor of protoporphyrin_______________?

September 27, 2025 by Admin

A. Alanine

B. Leucine

C. Histidine

D. Glycine

✅ The correct answer is option D. Glycine.

2425. The primary teeth that present the most outstanding morpholgic deviations from permanent teeth are______________?

September 27, 2025 by Admin

A. Central incisors

B. Mandibular first molar

C. Mandibular second molar

D. Canines

✅ The correct answer is option B. Mandibular first molar.

444. The stage of deglutition, which is voluntary in nature _______________?

September 27, 2025 by Admin

A. Stage – I

B. Stage – II

C. Stage – III

D. Stage – IV

✅ The correct answer is option A. Stage – I.

Angular cheilosis is frequently associated with deficiency of______________?

September 27, 2025 by Admin

A. Thiamine

B. Riboflavin

C. Niacin

D. Folic acid

✅ The correct answer is option B. Riboflavin.

2416. Accessory canals result from____________?

September 27, 2025 by Admin

A. Defects in cementogenesis

B. Dividing epithelial bridges

C. Break in Hertwig’s root sheath

D. Adherent epithelial rests

✅ The correct answer is option C. Break in Hertwig’s root sheath.

2454. The root trunk of permanent mandibular first molar buccally is______________?

September 27, 2025 by Admin

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

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

C. equal in length to the crown

D. None of the above

✅ The correct answer is option A. Equal is length to the mesial bifurcation of the maxillary first molar.

Insulin increase the following pathways in liver EXCEPT____________?

September 27, 2025 by Admin

A. Fatty acid synthesis

B. Glycogen synthesis

C. Protein syntehsis

D. Glucose synthesis

✅ The correct answer is option D. Glucose synthesis.

443. The hypoglossal nerve is the motor nerve to all of the muscles of the tongue except, the____________?

September 27, 2025 by Admin

A. Genioglossus

B. Palatoglossus

C. Superior longitudinal muscle

D. Inferior longitudinal muscle

✅ The correct answer is option B. Palatoglossus.

2448. Epithelium of the inner surface of the gingival sulcus______________?

September 27, 2025 by Admin

A. Has no rete pegs

B. Has prominent rete pegs

C. Is keratinized

D. Is para-keratinized

✅ The correct answer is option A. Has no rete pegs.