BIO 256 Exam 1 Review Questions With
Correct Answers
function |of |digestive |system |- |CORRECT |ANSWER✔✔-processes |food, |extracts |nutrients |and |
eliminates |residue
the |physical |breakdown |of |food |into |smaller |parts |- |CORRECT |ANSWER✔✔-mechanical |
digestion
A |series |of |hydrolysis |reactions |that |break |dietary |macromolecules |into |their |monomers |- |
CORRECT |ANSWER✔✔-chemical |digestion
6 |accessory |organs |- |CORRECT |ANSWER✔✔-teeth, |tongue, |salivary |glands, |liver, |gallbladder, |
pancreas
what |makes |up |the |gi |tract |- |CORRECT |ANSWER✔✔-stomach |and |intestines
mechanical |digestion |occurs |where |- |CORRECT |ANSWER✔✔-grinding |of |teeth |and |churning |of |
stomach |and |small |intestine
chemical |digestion |occurs |where |- |CORRECT |ANSWER✔✔-digestive |enzymes |produced |by |
salivary |glands, |stomach, |pancreas, |and |small |intestine
most |absorption |occurs |where |- |CORRECT |ANSWER✔✔-small |intestine
small |mucosal |projections |that |increase |surface |area |for |absorption |- |CORRECT |ANSWER✔✔-
villi
, permanent |transverse |folds |in |the |intestinal |lining |- |CORRECT |ANSWER✔✔-circular |folds
four |layers |of |the |digestive |tract |- |CORRECT |ANSWER✔✔-mucosa, |submucosa, |muscularis |
externa, |serosa
(from |inner |to |outer)
the |submucosal |plexus |is |located |____ |- |CORRECT |ANSWER✔✔-in |the |submucosa |layer
the |myenteric |plexus |is |located |between |two |layers |of |the |- |CORRECT |ANSWER✔✔-muscularis
|externa
function |of |submucosal |plexus |- |CORRECT |ANSWER✔✔-control |glandular |secretions |of |mucosa
|and |movement |of |muscularis |mucosae
function |of |myenteric |plexus |- |CORRECT |ANSWER✔✔-controls |peristalsis |and |other |
contractions |of |muscularis |externa
what |are |the |three |salivary |glands |- |CORRECT |ANSWER✔✔-parotid, |submandibular, |sublingual
function |of |saliva |- |CORRECT |ANSWER✔✔-begins |starch |and |fat |digestion, |inhibits |bacterial |
growth, |binds |food |together |to |form |bolus, |dissolves |molecules |to |stimulate |taste |buds
two |enzymes |in |the |saliva |- |CORRECT |ANSWER✔✔-salivary |amylase |and |lingual |lipase
salivary |amylase |function |- |CORRECT |ANSWER✔✔-begins |starch |digestion |and |breaks |down |
polysaccharides
Correct Answers
function |of |digestive |system |- |CORRECT |ANSWER✔✔-processes |food, |extracts |nutrients |and |
eliminates |residue
the |physical |breakdown |of |food |into |smaller |parts |- |CORRECT |ANSWER✔✔-mechanical |
digestion
A |series |of |hydrolysis |reactions |that |break |dietary |macromolecules |into |their |monomers |- |
CORRECT |ANSWER✔✔-chemical |digestion
6 |accessory |organs |- |CORRECT |ANSWER✔✔-teeth, |tongue, |salivary |glands, |liver, |gallbladder, |
pancreas
what |makes |up |the |gi |tract |- |CORRECT |ANSWER✔✔-stomach |and |intestines
mechanical |digestion |occurs |where |- |CORRECT |ANSWER✔✔-grinding |of |teeth |and |churning |of |
stomach |and |small |intestine
chemical |digestion |occurs |where |- |CORRECT |ANSWER✔✔-digestive |enzymes |produced |by |
salivary |glands, |stomach, |pancreas, |and |small |intestine
most |absorption |occurs |where |- |CORRECT |ANSWER✔✔-small |intestine
small |mucosal |projections |that |increase |surface |area |for |absorption |- |CORRECT |ANSWER✔✔-
villi
, permanent |transverse |folds |in |the |intestinal |lining |- |CORRECT |ANSWER✔✔-circular |folds
four |layers |of |the |digestive |tract |- |CORRECT |ANSWER✔✔-mucosa, |submucosa, |muscularis |
externa, |serosa
(from |inner |to |outer)
the |submucosal |plexus |is |located |____ |- |CORRECT |ANSWER✔✔-in |the |submucosa |layer
the |myenteric |plexus |is |located |between |two |layers |of |the |- |CORRECT |ANSWER✔✔-muscularis
|externa
function |of |submucosal |plexus |- |CORRECT |ANSWER✔✔-control |glandular |secretions |of |mucosa
|and |movement |of |muscularis |mucosae
function |of |myenteric |plexus |- |CORRECT |ANSWER✔✔-controls |peristalsis |and |other |
contractions |of |muscularis |externa
what |are |the |three |salivary |glands |- |CORRECT |ANSWER✔✔-parotid, |submandibular, |sublingual
function |of |saliva |- |CORRECT |ANSWER✔✔-begins |starch |and |fat |digestion, |inhibits |bacterial |
growth, |binds |food |together |to |form |bolus, |dissolves |molecules |to |stimulate |taste |buds
two |enzymes |in |the |saliva |- |CORRECT |ANSWER✔✔-salivary |amylase |and |lingual |lipase
salivary |amylase |function |- |CORRECT |ANSWER✔✔-begins |starch |digestion |and |breaks |down |
polysaccharides
