Question

You are investigating the role of physical activity in heart disease and suggest that physical activity protects against having a heart attack. While presenting these data to your colleagues, someone asks if you have thought about confounders such as factor X. This factor X could have confounded your interpretation of the data if it: a. is a factor for some other disease, but not heart disease b. is a factor associated with physical activity and heart disease c. is a part of the pathway by which physical activity affects heart disease d. has caused a lack of follow-up of test subjects

Answer 1

Answer:

b. is a factor associated with physical activity and heart disease

Explanation:

the people who are physically in active are at high risk of CVD as compared to the people who are physically active. Due to busy office schedule and lack of physical inactivity specially in the developing countries, the ratio of CVD is high.

so the heart diseases are linked to the factor of physical activity and fitness. more active and fit people are at low risk of developing heart problems

Answer 2

Answer:

B

Explanation: