Approximately what fraction of the U.S. population is at least 65 years old?
A) 1/100
B) 1/30
C) 1/8
D) 1/3
C
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Why should fruit juices be added to pie fillings or salad dressings after gelatinization has occurred?
A. because the low pH of fruit juices decreases a starch gel's viscosity B. because the vitamin C content of fruit juices decreases a starch gel's viscosity C. because the sugar content of fruit juices decreases a starch gel's viscosity D. because the pulp particles from fruit juices decrease a starch gel's viscosity
What body type in women is a risk factor for osteoporosis?
A. any body type B. small size, thin bones C. heavy set, thick bones D. short and stocky E. tall and muscular
What hormone is produced during letdown and causes the ejection of milk from the milk glands into the milk ducts?
a. oxytocin b. prolactin c. estrogen d. progesterone e. lactogen
Within what approximate time frame does necrosis (cell death) occur due to lack of blood, oxygen and glucose supplied to the brain?
a. at least 30 minutes b. 20-25 minutes c. 12-18 minutes d. 4-10 minutes e. 1-3 minutes