Which of the following statements is true?
A. The colon is the major site of nutrient absorption in the human digestive system.
B. The pyloric sphincter controls the rate at which chyme enters the small intestine.
C. The esophagus is the muscular valve that connects the stomach to the small intestine.
D. Those who are lean have a greater higher risk of gallstones than those who are obese.
Answer: B
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People who have frequent, regular bouts of heartburn and indigestion have a medical condition known as
a. colitis. b. watery stools. c. lymphatic malabsorption. d. gastroesophageal reflux.
Martin had his body mass index (BMI) calculated as 28 by a dietitian. According to this assessment, Martin is:
A) overweight but not obese. B) at an acceptable weight. C) obese. D) underweight.
How many genetic traits related to obesity have been identified?
A) 5 B) 20 C) 100 D) 200
The sequence of reactions that convert compounds from one form to another is
A) metabolites. B) a metabolic pathway. C) catabolism. D) anabolism.