Discuss the first law of thermodynamics and how it applies to energy balance in humans.
Q. 2If a donut provides 150 calories and weighs 20 grams, what is its energy density?
a. 1.5
b. 3.5
c. 5.5
d. 7.5
e. 9.5
Q. 3Which choice would lower in energy-density and a good replacement for Eric's bologna, salami, and cheese sandwich?
a. sliced turkey breast with lettuce on whole-wheat bread
b. cheeseburger with lettuce on a hamburger bun
c. fried fish with tartar sauce on a hamburger bun
d. ground beef hard shell taco
e. fried chicken and potato salad
Q. 4What percentage of calories from the Salisbury steak dinner are coming from protein, fat, and carbohydrates, respectively?
a. 12 protein, 45 fat, 43 carbohydrate
b. 14 protein, 54 fat, 32 carbohydrate
c. 14 protein, 62 fat, 24 carbohydrate
d. 20 protein, 49 fat, 31 carbohydrate
e. 23 protein, 41 fat, 36 carbohydrate
Q. 5A frozen Salisbury steak dinner with gravy, mashed potatoes, and corn contains 27 grams of protein, 54 grams of fat, and 47 grams of carbohydrates. How many calories are provided by the meal?
a. 188 calories
b. 257 calories
c. 486 calories
d. 782 calories
e. 925 calories
Q. 6Calculate the total number of calories Eric needs each day to maintain his current body weight.
a. 3,055 calories
b. 3,176 calories
c. 3,245 calories
d. 3,385 calories
e. 3,462 calories
Q. 7Approximately how many calories per day does Eric need for basal metabolic processes?
a. 1,500 calories
b. 1,750 calories
c. 1,925 calories
d. 2,167 calories
e. 2,359 calories
Q. 8A chocolate chip cookie contains 11 grams of carbohydrates, 2 grams of protein, and 5 grams of fat. What is the percentage of calories from carbohydrates, protein, and fat?
a. 27 carbohydrates, 15 protein, 57 fat
b. 33 carbohydrates, 18 protein, 48 fat
c. 38 carbohydrates, 3 protein, 58 fat
d. 42 carbohydrates, 5 protein, 52 fat
e. 45 carbohydrates, 8 protein, 46 fat
Q. 9Bill weighs 185 pounds. Approximately how many calories does he need per day for basal metabolic processes?
a. 1,850
b. 2,035
c. 2,250
d. 2,452
e. 2,500
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