4 (a) Which is the reason why obesity is a non-communicable disease?
A - 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 perso... show full transcript
Worked Solution & Example Answer:4 (a) Which is the reason why obesity is a non-communicable disease?
A - 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
Obesity is classified as a non-communicable disease because it is not spread from person to person. Therefore, the correct answer is C.
Step 2
A person has a BMI of 39.0
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 'obese' category. This increases the risk of developing cardiovascular diseases such as hypertension, heart disease, and strokes due to factors like excess body fat, which can lead to increased blood pressure and cholesterol levels, as well as strain on the heart.
Step 3
Changes in lifestyle can reduce the risk of cardiovascular disease.
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 lower cholesterol levels.
Surgical interventions like angioplasty or bypass surgery to improve 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 indicates that the percentage of people who smoked cigarettes in England from 2011 to 2019 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 reduction in the smoking population as fewer people are taking up smoking.
Increased awareness of the dangers of smoking, often through public health campaigns.
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
The line should slope downward, indicating a continued decrease in the percentage of smokers over time, reflecting ongoing public health efforts and societal changes towards smoking.
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 description of cancer is B: uncontrolled cell division.
