| Date | November 2019 | Marks available | 4 | Reference code | 19N.3.SL.tz0.16 |
| Level | Standard Level | Paper | Paper 3 | Time zone | time zone 0 |
| Command term | Sketch | Question number | 16 | Adapted from | N/A |
Question
List two ways of monitoring the hydration status of an athlete.
[2]
a.
Sketch the loop of Henlé, medulla, collecting duct and ADH during the process of water regulation when body fluid levels are low.
[4]
b.
Markscheme
urine colour ✔
urine osmolarity ✔
variation in body mass ✔
hydrometer ✔
a.
Award [1] per correct identification of each part of the system.
b.
Examiners report
[N/A]
a.
[N/A]
b.
