The first part of the small intestine is the
A) ileocecal valve. B) pancreas.
C) duodenum. D) gallbladder.
C
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Vitamin E functions primarily as ________.
a. a peroxide b. a coenzyme c. an antioxidant d. a free radical e. an immune stimulant
Which pituitary hormone works at the level of the collecting duct to either increase or decrease absorption of water in order to maintain plasma volume and thus blood pressure?
A. aldosterone B. vasopressin C. cortisol D. testosterone E. epinephrine
Sam has been diagnosed with esophageal dysphagia. This means that he has:
a. difficulty passing a bolus of food through the esophagus into the stomach. b. coughing during swallowing. c. an inability to initiate swallowing. d. excessive secretion of saliva.
Processing and heating seem to increase the bioavailability of _____
a. vitamin D b. some tocopherols c. some carotenoids d. vitamin K