71.An important aid in any weight-loss diet program is which of the following?

a.decrease water intake

b.increase physical activity

c.speed up thyroid activity with metabolic enhancers

d.develop ketosis by keeping carbohydrate intake as low as possible

72.Which of the following describes a connection between physical activity and energy expenditure?

a.Walking a km uses about the same energy as running a km.

b.Walking a km uses about half as much energy as running a km.

c.Exercising the leg muscles is effective at burning away fat primarily around the thighs and hips.

d.Exercising the abdominal muscles is effective at burning away fat primarily around the abdomen.

73.A typical person who burns 200 kcalories during a 3 km run would, in the post-exercise period, burn an additional

a.30 kcal

b.75 kcal

c.150 kcal

d.300 kcal

74.In order for weight loss to be effective, one’s caloric expenditure should exceed one’s energy intake by approximately how many kcalories?

a.500 kcal

b.550 kcal

c.600 kcal

d.650 kcal

75.What is the principal reason that appetite is turned off immediately after a person finishes an intense workout?

a.The feeling of thirst overpowers the desire for food.

b.The elevated blood lactate level antagonizes ghrelin.

c.Glucose and fatty acids are still abundant in the blood.

d.The senses of smell and taste are suppressed for at least 1 hour.

76.A fact about the adaptive response to regular physical exercise includes which one of the following?

a.Regular physical exercise increases appetite.

b.Regular physical exercise stimulates digestive function in the post-exercise period.

c.Regular physical exercise increases energy expenditure in the post-exercise period.

d.Regular physical exercise triggers release of glucose from glycogen from the muscles.

77.What is the chief reason that health care professionals advise people to engage only in low-to-moderate intensity activities for prolonged duration rather than more intense, shorter routines?

a.Cost is lower.

b.Boredom is reduced.

c.Compliance is better.

d.Monitoring time is diminished.

78.How does “spot reducing” benefit one’s body?

a.It doesn’t, because no exercise can target fat removal from any specific area of the body.

b.Upper body fat is mostly unaffected by exercising lower body muscles.

c.Lower body fat in women is depleted at a faster rate than abdominal fat.

d.Abdominal fat in men is released more readily with anaerobic exercise.

79.Approximately how many kcalories are expended per kilogram body weight when walking 1.6 km at a moderate pace?

a.0.1 kcal

b.1 kcal

c.2.5 kcal

d.5 kcal

80.Approximately how many kcalories per week should be expended in physical activity in order to maintain a weight loss?

a.2000 kcal

b.4000 kcal

c.6000 kcal

d.9000 kcal