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1) Sodium is an example of a food component which

One answer only.

   is digested and absorbed

   is not digested but is absorbed

   is not digested and not absorbed

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2) During which phase of deglutition does the soft palate elevate?

One answer only.

   pharyngeal phase

   esophageal phase

   gastric phase

   voluntary phase

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3) Which of the following types of contractions moves food through the digestive tract?

One answer only.

   mixing waves in the stomach

   segmental waves in the small intestine

   peristaltic waves

   all of the above

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4) In the oral cavity, chemical digestion begins for

One answer only.

   carbohydrates

   proteins

   lipids

   all of the above

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5) Which of the following regarding pepsin is true?

One answer only.

   its optimal pH is around 1-3

   it digests proteins

   it is secreted as pepsinogen from chief cells of the gastric mucosa

   all of the above

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6) Which of the following regarding pancreatic lipase is true?

One answer only.

   it digests carbohydrates

   its optimal pH is 1-3

   it digests proteins at specific amino acids

   none of the above

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This test has been created using the CASTLE Toolkit