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The Digestive System

Test Description: Regents questions about the digestive system

Instructions: Answer all questions to get your test result.

1) What type of digestion occurs in the mouth?

Achemical Bneither mechanical nor chemical Cboth mechanical and chemical Dmechanical

2) What is the purpose of villi?

AExtra places to release digestive enzymes BExtra surface area for absorbing nutrients CThey make chyme DThey make the pyloric valve open

3) What does the large intestine absorb?

Afatty acids Bwater Camino acids Dnothing

4) Proteins have to be broken down into ___________ to be absorbed.

Asimple sugars Bfatty acids Ccarbohydrates Damino acids

5) Salivary amylase breaks down into ____________

Astarches/simple sugars Blipids/fatty acids Cproteins/simple sugars Dproteins/amino acids

6) The epiglottis

Amakes salivary amylase Bblocks the trachea so food goes into the esophagus Cmakes bile Dmakes hydrochloric acid

7) Chyme is

Aboth of the above Bthe digested food from the stomach that goes into the small intestine Cneither of the above Dthe milkshake that nutrients can be absorbed from

8) The makes bile while the __ stores bile.

Aliver/gallbladder Bsmall intestine/large intestine Clarge intestine/small intestine Dgallbladder/liver

9) The stomach performs _____________ digestion

Aneither mechanical nor chemical Bchemical Cmechanical Dboth mechanical and chemical

10) Which is the correct path for food through the digestive system?

Amouth, trachea, stomach, gallbladder, small intestine Bmouth, esophagus, liver, small intestine, large intestine Cmouth, esophagus, stomach, large intestine, small intestine Dmouth, esophagus, stomach, small intestine, large intestine

*select an answer for all questions

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