Explain the benefits of intestinal flora to health
GI bacteria protect people from infections. Provided that the normal intestinal flora are thriving, infectious bacteria have a hard time getting established and launching an attack on the system. In addition, the small intestine and the entire GI tract manufacture and maintain a strong arsenal of defenses against foreign invaders. Several different types of defending cells are present in the GI tract, and they confer specific immunity against intestinal diseases.
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A group of people consumes an amount of protein equal to the estimated average requirement for their population group. What percentage of people will receive insufficient amounts?
a. 10 b. 25 c. 33 d. 40 e. 50
Which of the following is a feature of aquaculture?
a. All farmed fish must be fed to sustain the practice. b. It provides about 10% of the world's fish for consumption. c. It is successful in freshwater lakes but not in ocean waters. d. Currently available technologies cannot yet make it sustainable. e. It provides nearly all of the world's shellfish for consumption.
Numerous health organizations have concluded that irradiation of food is safe and can improve food safety in the United States and the world
a. True b. False Indicate whether the statement is true or false
Joy decides to cook dinner with less fat tonight and instead of 2 tablespoons of butter, she uses 1 tablespoon on her baked potato. Approximately how many grams of fat did Joy remove from her meal?
a. 5 grams b. 12 grams c. 25 grams d. 100 grams