In northern climates during winter months, young children on vegan diets can readily develop rickets because of which deficiency?
a. Vitamin A
b. Vitamin E
c. Vitamin B12
d. Vitamin C
e. Vitamin D
Answer: E
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If a food label identifies the total number of kilocalories in a bowl of cereal as 140 and the carbohydrate kilocalories as 100, what is the approximate percentage of energy supplied by carbohydrates?
What will be an ideal response?
Your aunt Thelma has been anemic for some time and was recently shown to be deficient in copper. Which of the following explains the association of copper and anemia?
a. Copper is required for hemoglobin synthesis b. Copper plays a role in wound healing, which prevents excessive blood loss c. Anemia affects synthesis of protoporphyrin, which interferes with iron absorption d. Copper is known to protect against free radical formation, which prevents excess damage of red blood cells
Constance is making a vegetable soup that contains carrots, beans, water, salt, pepper, bits of ham, and onions. The soup has to cook for 4 hours. While the soup is cooking, what will happen to some of the minerals that are in its ingredients?
A. Cooking the soup's ingredients for this extensive amount of time will enable the minerals to become antioxidants. B. The relatively high temperature that's needed to cook the soup will destroy the iron, phosphorus, and sulfur in the vegetables. C. The minerals will leach out of the ham and vegetables and lose their natural bioavailability. D. The minerals will leach out of the food and into the cooking water, becoming part of the soup in the process.
A curious finding of research on the effects of antioxidants on health is ________.
A. sometimes antioxidant supplements reduce disease prevalence, and sometimes they increase disease prevalence B. antioxidant supplements always work, but not any better than diets high in antioxidants C. antioxidant supplements are always more effective than diets high in antioxidants D. neither supplemental nor dietary antioxidants have ever been shown to improve health. This only works in theory, but not in real life.