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Date November 2019 Marks available 2 Reference code 19N.3.SL.tz0.16
Level Standard Level Paper Paper 3 Time zone time zone 0
Command term List 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.

Syllabus sections

Option D: Nutrition for sports, exercise and health » D.2. Water and electrolyte balance » D.2.6. Describe how the hydration status of athletes can be monitored.
Option D: Nutrition for sports, exercise and health » D.2. Water and electrolyte balance
Option D: Nutrition for sports, exercise and health

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