A coordinated muscular contraction that propels food along the GI tract is called ________.

A. a sphincter
B. peristalsis
C. a pump
D. enterohepatic circulation


Answer: B

Nutritional Science

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The nerves in the walls of the gastrointestinal tract are referred to as the

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How long does proper handwashing take to prevent the spread of pathogens?

A. 1 minute B. 20 seconds C. 10 seconds D. 2 minutes

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A person fighting a fever would be in ________ nitrogen balance

A) negative B) double-negative C) equal D) positive

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A substance, such as caffeine, that increases fluid loss via the urine is called

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