4 (a) Which is the reason why obesity is a non-communicable disease?
A it is spread from person to person
B it is caused by a virus
C it is not spread from person to person
D it lasts for a short time
(b) Several factors affect the risk of developing cardiovascular disease - Edexcel - GCSE Biology - Question 4 - 2023 - Paper 1
Question 4
4 (a) Which is the reason why obesity is a non-communicable disease?
A it is spread from person to person
B it is caused by a virus
C it is not spread from per... show full transcript
Worked Solution & Example Answer:4 (a) Which is the reason why obesity is a non-communicable disease?
A it is spread from person to person
B it is caused by a virus
C it is not spread from person to person
D it lasts for a short time
(b) Several factors affect the risk of developing cardiovascular disease - Edexcel - GCSE Biology - Question 4 - 2023 - Paper 1
Step 1
Which is the reason why obesity is a non-communicable disease?
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The correct answer is C: it is not spread from person to person. This is because non-communicable diseases, such as obesity, typically arise from lifestyle choices, genetic factors, and environmental influences, and are not transmitted between individuals.
Step 2
Explain the risk of this person developing cardiovascular disease.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
A person with a BMI of 39.0 falls into the category of 'obese' as indicated in Figure 7. This higher BMI significantly increases the risk of developing cardiovascular diseases. Obesity can lead to conditions like hypertension, high cholesterol, and diabetes, all of which are risk factors for cardiovascular disease. Therefore, the individual has a heightened likelihood of experiencing cardiovascular issues due to their obesity.
Step 3
State two other treatments for cardiovascular disease.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Medications such as statins to manage cholesterol levels.
Surgical interventions such as angioplasty or bypass surgery to restore proper blood flow.
Step 4
State the trend shown in the graph from 2011 to 2019.
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The trend shown in the graph from 2011 to 2019 indicates that the percentage of people who smoked cigarettes has decreased.
Step 5
Give two reasons for this change in the number of people smoking cigarettes.
97%
117 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
More smokers die than non-smokers, leading to a decrease in the smoking population and fewer people taking up smoking.
Increased awareness of the dangers of smoking due to health campaigns and education.
Step 6
Draw a line on Figure 8 to show the likely trend in the percentage of people smoking cigarettes from 2019 to 2041.
97%
121 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
A line should be drawn sloping downward from 2019 onwards, indicating a continued decrease in the percentage of people smoking cigarettes based on the trend observed from 2011 to 2019.
Step 7
Which is the description of cancer?
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The correct answer is B: uncontrolled cell division. Cancer is characterized by the abnormal growth of cells that divide uncontrollably, leading to tumors and can spread to other regions of the body.
