Question 20N.3.SL.TZ0.1
| Date | November 2020 | Marks available | [Maximum mark: 3] | Reference code | 20N.3.SL.TZ0.1 |
| Level | SL | Paper | 3 | Time zone | TZ0 |
| Command term | Explain, State | Question number | 1 | Adapted from | N/A |
A nomogram can be used to determine the body mass index (BMI) of an individual.
State the BMI of a person of mass 80 kg and 1.80 m in height.
[1]
25
Accept 24.5 to 26.
Units not required.
Most candidates correctly stated the BMI of the individual. Some did it by reading from the nomogram, and others by calculation.
Explain how measurement of BMI could help to assess whether a person has an increased risk of type II diabetes.
[2]
a. BMI could indicate if a person is overweight/obese/too heavy for their height;
b. overweight/obesity increases the probability of developing type II diabetes;
Do not accept “High BMI increases the risk of diabetes.”
In (b) many candidates stated that a high BMI leads to obesity without explaining that a high BMI is only a possible indicator of obesity.
