71.Of the total amount of carbohydrate energy consumed by the : 1401606.
71.Of the total amount of carbohydrate energy consumed by the body, approximately what percentage is used by the brain and nerve cells?
a.10 percent
b.30 percent
c.50 percent
d.90 percent
72.If a normal person expends 1200 kcalories while at rest, approximately how many are used by the brain?
a.40 kcal
b.100 kcal
c.200 kcal
d.300 kcal
73.During the first few days of a fast, what energy source provides about 90 percent of the glucose needed to fuel the body?
a.protein
b.ketones
c.glycogen
d.triglycerides
74.How soon would death occur from starvation if the body was unable to shift to a state of ketosis?
a.approximately 3 days
b.approximately 3 weeks
c.approximately 6 weeks
d.2 to 3 months
75.The effects on metabolism from starvation are most similar to those from which of the following states?
a.fasting
b.feasting
c.a balanced reduced energy diet
d.physical activity energy expenditure in excess of dietary intake
76.Which of the following results in ketone formation?
a.lack of protein in the diet
b.partially oxidation of fats
c.excess acetoacetate in the diet
d.excess carbohydrate in the diet
77.Which of the following conditions most likely results in acetone breath?
a.ketonemia
b.feasting syndrome
c.acetyl-coA toxicity
d.metabolic hormone imbalance
78.Which of the following substances is used to supply some of the fuel needed by the brain only after the body has been fasting for a while?
a.ketones
b.glycerol
c.fatty acids
d.amino acids
79.Elizabeth has been fasting for 4 days in observance of her religious beliefs. You note that her breath smells “fruity.” This is most likely due to which of the following occurrences?
a.her intake of religious wafers
b.her intake of dilute fruit juices
c.her body’s shift to a state of ketosis
d.her body’s switch to a lipogenic state
80.Which of the following symptoms is most likely to be experienced by an individual who has developed ketosis?
a.lowering of blood pH
b.an increased appetite
c.a vinegar-like odour on the breath
d.weight gain
71.Of the total amount of carbohydrate energy consumed by the : 1401606
