A bolus is a(n):
a. sphincter muscle separating the stomach from the small intestine.
b. portion of food swallowed at one time.
c. enzyme that hydrolyzes starch.
d. portion of partially digested food expelled by the stomach into the duodenum.
b
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Which of the following accurately describes bovine growth hormone use in the United States?
a. It is only biologically active in humans when injected. b. It cannot be detected in meat or milk of cows receiving it. c. If consumed from foods, it is digested by enzymes in the GI tract. d. If consumed from foods, it could potentially stimulate receptors for human growth hormone. e. Testing of BGH has indicated that its risks to human health are, at most, minor.
Acid reflux disease is caused by malfunction of the pyloric sphincter.
Indicate whether the statement is true or false
Reduced ability to learn, fatigue, and increased susceptibility to infections result when inadequate ________is consumed
A) copper B) metalloiron C) vitamin C D) iron
The process of giving up electrons is called ____
A) oxidation B) reduction C) dehydrogenation D) hydrogenation