Chapter 1 Nutrients and Energy: Review Questions
1)
How do animals obtain energy?
a. Photosynthesis
b. Water
c. Plants
d. Vitamins
2) The energy containing nutrients include?
a. Fats, proteins
b. Vitamins, water
c. Carbohydrates, minerals
d. Protein, water
3) Gross energy does not take into account what factor?
a. Energy used for digestion
b. Energy lost through the feces
c. Energy lost through the urine
d. All of the above
4) What factor can affect the ME of a food?
a. How the food is fed
b. How the food is manufactured
c. The species being fed
d. What nutrients are being measured
5) What method is most accurate for determining ME of a food?
a. Feeding trial
b. Bomb calorimeter
c. Calculations based on ingredients
d. Extrapolation from other species
6) Which nutrient has the highest energy density?
a. Protein
b. Carbohydrates
c. Water
d. Fat
7) What happens to excess energy consumed above energy needs?
a. Lost in the feces
b. Converted to nitrogen for excretion in the urine
c. Deposited into adipose cells for storage
d. Stored as ATP for future use
8) If a food has 23 grams of protein, how many kilocalories are
being provided using modified Atwater factors?
a. 23 kcals
b. 80 kcals
c. 145 kcals
d. 195 kcals
9) Caloric distribution is reported as percentages.
total number add up to?
a. Depends on the nutrients involved
b. 15.5
c. 100
d. 150
10)
a.
b.
c.
d.
What must the
Obesity is defined as body weight how much above normal?
0–5%
6–10%
11–15%
20–25%