Question 19N.3.SL.TZ0.16a
| Date | November 2019 | Marks available | [Maximum mark: 2] | Reference code | 19N.3.SL.TZ0.16a |
| Level | SL | Paper | 3 | Time zone | TZ0 |
| Command term | Discuss | Question number | a | Adapted from | N/A |
Three groups of human volunteers were given different amounts of almond nuts added to a controlled diet for a period of 68 days. During that period the amount of energy released in their feces was measured.
[Source: Janet A Novotny, Sarah K Gebauer, David J Baer, Discrepancy between the Atwater factor predicted and
empirically measured energy values of almonds in human diets, The American Journal of Clinical Nutrition,
Volume 96, Issue 2, August 2012, Pages 296–301, https://doi.org/10.3945/ajcn.112.035782]
Using the data, discuss the implications for the advice given by dieticians to patients.
[2]
a. increasing the mass of almonds eaten increases the energy content of feces ✔
b. some of the energy consumed in foods may not be absorbed/is lost/egested in feces ✔
c. can’t draw conclusions as the data is incomplete ✔
