MDS PREP
For posterior abutment with acceptable crown root ratios, average crown length, normal aesthetic requirement, retainer of choice is
1) Full crown
2) Partial veneer crown
3) Resin veneer
4) PFM
Prosthodontics
Answer: 2
What is the primary function of transferrin in the body?
1) Transport of iron
2) Transport of copper
3) Binding and transport of thyroid hormones
4) Lipoprotein assembly
Transferrin is a glycoprotein synthesized by the liver that acts as the primary iron-transport protein in the blood. It binds to iron and transfers it to cells that require it, such as erythrocytes for hemoglobin synthesis.
The function of the surgical splint in the immediate dentures
1) Helps in positioning the teeth in the immediate dentures
2) Helps in trimming the bony spicules for proper fitting of the denture
3) Both of the above
4) None of the above
Prosthodontics
Answer: 2
Which cells in the late distal tubule and cortical collecting tubules are responsible for potassium secretion?
1) Principal cells
2) Intercalated cells
3) Juxtaglomerular cells
4) Podocytes
Principal cells in the late distal tubule and cortical collecting tubules are responsible for potassium secretion, which is essential for maintaining electrolyte balance.