A. Proximal tubule
B. Loop of Henle
C. Vasa recta
D. Collecting tubule
✅ The correct answer is option D. Collecting tubule.
2805. Which of the following is important in renal excretion of hydrogen ion ?
A. Combining H+ with Cl- to form Hcl
B. Combining H+ and HCO3- via enzyme carbonic anhydrase
C. Trapping H+ by acetate
D. Trapping H+ by NH3+
✅ The correct answer is option D. Trapping H+ by NH3+.
In spherical alloys as compared to lathe cut____________?
A. Less condensing force is required
B. More condensing force is required
C. Both require same condensing force
D. Manipulation is easy
✅ The correct answer is option A. Less condensing force is required.
1 molelcule of glucose forms _______ molecules of pyruvate?
A. 1
B. 2
C. 3
D. 4
✅ The correct answer is option B. 2.
2796. Hertwig’s epithelial root sheath is made up of_______________?
A. Outer and inner enamel epithelium
B. Stratum intermedium
C. Stellate reticulum
D. Hyaline layer of Hopewell-smill
✅ The correct answer is option A. Outer and inner enamel epithelium.
2793. Which of the following gives the best description of erupted permanent teeth typically seen in a 9- years old______________?
A. Only molars
B. All teeth except third molars
C. 1,2,4,5,6,7 in all quadrants
D. 1,2,6 in all quadrants
✅ The correct answer is option D. 1,2,6 in all quadrants.
2808. Which of the following is correct?
A. Each rod is formed by 4 ameloblasts
B. Each ameloblast contributes to 4 different rods
C. Head of the rod is formed by one ameloblasts, and tail is formed by three other ameloblasts
D. All of the above
✅ The correct answer is option D. All of the above.
Greening occuring when porcelains are fired on silver free alloys may be attributed to________________?
A. Vaporization of silver from the walls of contaminated furnaces
B. Surface diffusion of silver from the marginal metal
C. More rapid silver diffusion in sodium containing glass
D. Silver ionization by porcelains with high oxygen potential
✅ The correct answer is option A. Vaporization of silver from the walls of contaminated furnaces.
2757. How many roots does a primary maxillary first molar have ___________?
A. One
B. Two
C. Three
D. Four
✅ The correct answer is option C. Three.
2754. Pulp tissue contains all except____________?
A. Fibroblasts
B. Capillary
C. Osteoblasts
D. Ameloblasts
✅ The correct answer is option D. Ameloblasts.