A. Peritubular dentin
B. Mantle dentin
C. Inter tubular dentin
D. Predentin
✅ The correct answer is option C. Inter tubular dentin.
1846. Which of the following events DO NOT occur in rods in response to light_______________?
A. Structural changes in rhodopsin
B. Activation of transducin
C. Decreased intracellular cGMP
D. Opening of Na+ channels
✅ The correct answer is option D. Opening of Na+ channels.
1844. Ovulation is associated with sudden rise in______________?
A. Prolactin
B. Testosterone
C. L.H
D. Oxytocin
✅ The correct answer is option C. L.H.
1842. With respect to their permanent successors the sum of the mesidodistal diameters of the first and second decidous molar is generally ____________?
A. Less
B. Greater
C. The same
D. Not related
✅ The correct answer is option B. Greater.
Enzymes are classified according to_________________?
A. Action on substrate
B. Action of coenzymes
C. Nature of the enzymes
D. All of the above
✅ The correct answer is option A. Action on substrate.
1838. The formative cells of which of the following dental tissues disappear once tissue is formed___________?
A. Enamel
B. Dentin
C. Periodontal ligament
D. Cementum
✅ The correct answer is option A. Enamel.
298. Opthalmic artery is the branch of part of _________ internal carotid artery ?
A. Intra cavernous
B. Intra petrous
C. Intra cerebral
D. Extra cranial
✅ The correct answer is option C. Intra cerebral.
297. Nerve supply of mucosa of larynx is_______________?
A. External laryngeal
B. Internal laryngeal
C. Recurrent laryngeal
D. B & C
✅ The correct answer is option D. B & C.
1832. Osteoclasts are inhibited / modified and regulated by____________?
A. Parathyroid hormone
B. Calcitonin
C. 1,25 dihydroxycholecalciferols
D. Tumor necrosis factor
✅ The correct answer is option B. Calcitonin.
1829. In adult teeth, the type of dentin present underlying dentin-enamel junction is_______________?
A. Predentin
B. Mantle dentin
C. Interglobular dentin
D. Tertiary dentin
✅ The correct answer is option B. Mantle dentin.