HFA4U Nutrition and Health

Answer the questions below in full sentences.

1. Health Canada has published a booklet called Nutrient Value of Some Common Foods, available online. It lists the thousand most commonly consumed foods in Canada and their nutritional content. In the booklet, find one example of a nutrient-dense food and one example of a food that can be considered empty calories. Explain how the foods you chose meet the definitions of nutrient dense and empty calories. 

2.Consuming calories is sometimes advertised negatively, with drinks and snacks marketed as “zero-calorie” or “low-calorie” options. What are calories, and why do you need them? Explain how calories contribute to good health and give examples of healthy calorie choices.

3. What are the three ways in which your body uses energy? 

4. a) What possible digestive problems can occur as a result of a diet low in fibre? 
b) Identify four lifestyle factors that people could control to maintain good digestive health.

5. In order to maintain weight, energy input must equal output. Maria, a sixty-six-year-old female, did the following physical activity in one day:
gardening for 3 hours
brisk 30-minute walk to the golf course
2 hours of golf
brisk 30-minute walk home

a) Given Maria’s level of physical activity, how many calories should she consume in a day? (Use table 3.3 from the reading).

b) How many calories has she burned through her physical activities? (Use table 3.2 from the reading)