| Date | May 2019 | Marks available | 4 | Reference code | 19M.3.HL:.tz0.14 |
| Level | Higher Level | Paper | Paper 3 | Time zone | time zone 0 |
| Command term | Discuss | Question number | 14 | Adapted from | N/A |
Question
Discuss energy balance.
Markscheme
looks at/compares the amount of energy going in against the energy being used/going out by a person;
if energy intake is greater than expenditure, then there will be a weight gain /vice versa energy in take is less than expenditure;
OR
if energy intake is less than expenditure there will be a weight loss / vice versa to energy intake is greater than expenditure;
if the intake = expenditure, then weigh will remain stable;
energy expenditure = internal heat produced/BMR + external work;
energy intake = total number of calories taken in daily.
[4 max]
Examiners report
Well done on the whole.
