Lesson 4

Question 1

What is the definition of physical activity?

Answer 1

Bodily movements produced by skeletal muscles that result in energy expenditure

Question 2

The result of the 1986 Paffenbarger Study revealed that:

Answer 2

Physical activity boosts longevity. Those who exercised 2000 kcal/week lived longer than those who did not

Question 3

Which of the following could be a potential problem with a researcher asking the question “How many times per week do you exercise?”

Answer 3

Self-reporting behaviors are not always reliable.
There are varying definitions of what constitutes exercise.
That question assumes that someone is exercising.

Question 4

True or false: According to the WHO, walking is not considered vigorous exercise and therefore does not have any health benefits.

Answer 4

False. WHO data suggests that walking, in addition to vigorous exercise, decreases the incidence of cardiovascular events.

Question 5

If an individual is trying to achieve the recommended 75 minutes per week of vigorous intensity aerobic physical activity, which of the following activities would they attempt?

Answer 5

Biking over hills. Vigorous intensity assumes you cannot carry on a conversation while engaged.