DP Biology (last assessment 2024)
Question 18M.3.HL.TZ2.19b
| Date | May 2018 | Marks available | [Maximum mark: 1] | Reference code | 18M.3.HL.TZ2.19b |
| Level | HL | Paper | 3 | Time zone | TZ2 |
| Command term | State | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 1]
18M.3.HL.TZ2.19b
A long term study followed nearly 40 000 apparently healthy young men for coronary heart disease (CHD) from adolescence through adulthood. The results show how the body mass index (BMI) at adolescence and adulthood affect the risk of CHD. The BMIs are divided into five groups (quintiles), Q1 being the lowest BMI and Q5 the highest. A risk factor of 2 or less is desirable.
(b)
State one factor, other than BMI, that increases the risk of CHD.
[1]
Markscheme
increased triglycerides/cholesterol in the blood
OR
presence of plaque/atherosclerosis «in arteries»
OR
high blood pressure/hypertension
OR
sedentary lifestyle/lack of exercise
OR
genetic/hereditary factor
OR
smoking
OR
age
OR
diet
