What is one function of the pyloric sphincter?
A. Prevents stomach contents from backing up into the esophagus
B. Controls the passage of chyme from the stomach into the small intestine
C. Prevents the backward movement of feces from the large intestine into the small intestine
D. Controls the release of pancreatic secretions into the small intestine
Answer: B
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How can you tell if a food has been irradiated to preserve it?
A. Test the food for nutrient losses B. Look for the Radura symbol on the package C. Observe any unusual color changes in the food D. Smell the food and note any "off" flavors
Consuming a diet that supplies large amounts of certain types of fat increase one's risk of developing heart disease. Thus, a diet that supplies an excessive amount of such fats is a ________ for heart disease.
A. nutritional determinant B. hypothetical variable C. dietary modulator D. risk factor
When muscles increase in size this is called:
a. hypertrophy. b. atrophy. c. hypotrophy. d. isotrophy.
Which of the following is a role of choline in human health?
A. Synthesis of neurotransmitters B. Structure of cell membranes C. Transport of lipids D. All of these are functions of choline.