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Biochem & Digestion

Test Description: Functions of the digestive organs.

Instructions: Answer all questions to get your test result.

1) What enzyme begins carbohydrate digestion in the mouth?

ALipase BPancreatic amylase CLigase DSalivary amylase

2) What are the muscular contractions that force material through the digestive system?

ASphincter BChyme CPeristalsis DEpiglottis

3) What organ regulates the passage of food into the esophagus and away from the windpipe & lungs?

ATongue BCardiac sphincter CSalivary glands DEpiglottis

4) Where is bile produced? Where is it stored?

AStomach & pancreas BGall bladder & pancreas CLiver & stomach DLiver & gall bladder

5) What is the main function of the large intestine?

ANutrient absorption BProtein digestion CCarbohydrate digestion DWater reabsorption

6) What is the role of lipase in fat digestion?

AIt increases the surface area of the enzyme. BIt is an enzyme that chemically breaks down lipids, oils, & fats. CIt mechanically breaks down fats. DIt allows bile to chemically digest fat.

7) What are the building blocks of fat molecules?

AFatty acids BAmino acids CSimple sugars DProteins

8) What are the digestive accessory organs?

AGall bladder, liver, small intestine, large intestine BTongue, epiglottis, colon, stomach CMouth, tongue, stomach, gall bladder DSalivary glands, liver, pancreas, gall bladder

9) What are the secretions of the stomach?

AEnzymes, mucus, and acids BAmylase, fatty acids, and proteins CThere are no secretions in the stomach DHydrogen peroxide, catalase, and fats

10) Which organ is the primary site of protein digestion?

AStomach BU.S. Cellular Field CBile DGall bladder

*select an answer for all questions

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