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Module 6 Digestive System Questions and Answers with Complete
Solutions UPDATED!!!
7 regions of the GI tube that food runs through - ANSWER
Mouth & Pharynx, esophagus, stomach, small intestines, large
intestines, rectum, anus.
Accessory Organs - ANSWER Not part of the direct pathway of
food through the GI tract, but they do add important
substances to the GI tract or play an important role in digestion.
All food is both mechanically and chemically digested (T/F). -
ANSWER True
Anus - ANSWER This is the opening in the GI tract through
which bacteria and undigested materials exit.
Chemical digestion - ANSWER Occurs when a single molecule of
a food substance is broken down into smaller molecules that
can be moved across the wall of the intestine in absorption.
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Enzymes catalyze the chemical reactions that break apart food
molecules.
Emulsification is the process by which bile salts physically
separate fat into small droplets to increase the surface area a
for faster digestion. - ANSWER True
Esophagus - ANSWER The tube that leads from the mouth to
the stomach. Undergoes peristaltic movements to help move
food along the path.
Gall Bladder - ANSWER Stores and concentrates bile between
meals.
Gastrointestinal Wall - ANSWER Has four basic layer to the way
of its tube.
- mucosa (innermost layer closest to the lumen) > sub mucosa >
muscularis externa > serous (on the surface).
GI tract - ANSWER Tube (approx. 9 meters).
Module 6 Digestive System Questions and Answers with Complete
Solutions UPDATED!!!
7 regions of the GI tube that food runs through - ANSWER
Mouth & Pharynx, esophagus, stomach, small intestines, large
intestines, rectum, anus.
Accessory Organs - ANSWER Not part of the direct pathway of
food through the GI tract, but they do add important
substances to the GI tract or play an important role in digestion.
All food is both mechanically and chemically digested (T/F). -
ANSWER True
Anus - ANSWER This is the opening in the GI tract through
which bacteria and undigested materials exit.
Chemical digestion - ANSWER Occurs when a single molecule of
a food substance is broken down into smaller molecules that
can be moved across the wall of the intestine in absorption.
, Page |2
Enzymes catalyze the chemical reactions that break apart food
molecules.
Emulsification is the process by which bile salts physically
separate fat into small droplets to increase the surface area a
for faster digestion. - ANSWER True
Esophagus - ANSWER The tube that leads from the mouth to
the stomach. Undergoes peristaltic movements to help move
food along the path.
Gall Bladder - ANSWER Stores and concentrates bile between
meals.
Gastrointestinal Wall - ANSWER Has four basic layer to the way
of its tube.
- mucosa (innermost layer closest to the lumen) > sub mucosa >
muscularis externa > serous (on the surface).
GI tract - ANSWER Tube (approx. 9 meters).
