Different segments of the renal tubule (Column X) and the sodium transporter in the apical membrane of tubular cells (Column Y) are listed below:
|
Column X |
Column Y |
||
|
Renal tubular segment |
Apical transporter |
||
|
a. |
Proximal tubule |
i. |
Na+ channel (ENaC) |
|
b. |
Collecting duct |
ii. |
Na+-K+-2Cl- co-transporter |
|
c. |
Thick ascending limb |
iii. |
Na+-Cl- co-transporter |
|
d. |
Distal convoluted tubule |
iv. |
Na+-amino acid co-transporter |
Which one of the following options represents the correct match between Column X and Column Y?
1
a - i, b - ii, c - iii, d - iv
2
a - ii, b - iii, c - iv, d - i
3
a - iii, b - iv, c - i, d - ii
4
a - iv, b - i, c - ii, d - iii