Your best friend has recently joined the Peace Corps and is working to improve the nutrition of children in Somalia, where she has observed many children suffering from night blindness. What food might she recommend to families to help prevent this condition?

Listen to the MP3 Chapter Summary and then answer the following questions. Estimated time: 6 min, 52 sec.  

Review Free Radical Formation and answer the associated questions.    

Regulation of Blood Calcium Calcium is an important mineral in the body, and one that is tightly regulated in the blood with the help of several hormones. Calcium status plays an important role in the health of bones and a variety of other metabolic functions. Therefore, it is essential to understand where to find calcium in food, and what factors affect bioavailability and absorption. Match the words in the right column to the appropriate blanks in the sentences on the left. Note that some terms will remain unused.

Phytochemicals are found __________.

Regulation of Blood Calcium It is important to understand where to find calcium in food, but there are a variety of factors that can interfere with the absorption of even the best sources of calcium. Which of these statements describe ways calcium bioavailability or absorption may be reduced? Select all that apply.

Vitamin D contributes to bone health by maintaining blood calcium and phosphorus levels within the normal range. Unlike any other vitamin, the body can produce vitamin D from exposure to ultraviolet light. From the list below, choose all the correct statements about vitamin D. Select all that apply.

According to your textbook, Chapter 13, what are two behavior modification techniques that Lucy could begin to help change her food choices to reduce her calorie intake in an effort to lose weight?

Which is NOT a function of magnesium in the body?

In addition to calcium and vitamin D, vitamin K, phosphorus, and magnesium also play a role in bone health. Choose the statement about vitamin K, phosphorus, or magnesium that is not correct.