Date | May 2019 | Marks available | 1 | Reference code | 19M.1.HL.TZ1.39 |
Level | Higher level | Paper | Paper 1 | Time zone | Time zone 1 |
Command term | Identify | Question number | 39 | Adapted from | N/A |
Question
The image shows a transverse section through a collecting duct in a vertebrate kidney.
[Source: Professor Peter Takizawa, Yale University]
How is the movement of materials across the wall of the collecting duct affected by the release of ADH from the pituitary gland?
A. There is increased movement of water in the direction of arrow I.
B. There is increased movement of sodium in the direction of arrow I.
C. There is increased movement of water in the direction of arrow II.
D. There is increased movement of sodium in the direction of arrow II.
Markscheme
A
Examiners report
[N/A]