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NUTR 280 exam 2 jmu Exam (latest version 2026/2027)
Most Recent Exam 2026|2027 Actual Complete Real
Verified Exam Questions And Correct Answers
(Verified Answers) Already Graded A+ | Guaranteed
Success!! Newest Exam!!!
how long is the GI tract? - Answer-~30 ft
how long does it take for "food" to travel from the mouth to
the anus? - Answer-24 - 72 hrs
what variables affect transit time? - Answer-diet, physical
activity, emotional state, health status & medication use
which organs are included in the digestive system -
Answer-Mouth, esophagus, stomach, intestines, pancreas,
liver, and gallbladder
what are the accessory organs of the digestive system? -
Answer-salivary glands
liver
gallbladder
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pancreas
What is the mucosa? - Answer-mucus-secreting layer of
tissue that lines the gastrointestinal tract and other body
cavities.
what is mucus? - Answer-- thick fluid secreted by glands in
the digestive tract and other parts of the body
- lubricates, moistens, & protects cells from harsh
environments
what are enzymes? - Answer-- protein molecules
- accelerate chemical runs including those involved in the
breakdown of food into absorbable parts
Bile is made in the __________ and stored in the
__________. - Answer-liver, gallbladder
Bile is released from the gallbladder into the - Answer-
small intestine (duodenum)
what is bile important for digesting - Answer-fatty acids
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what are hormones? - Answer-- chemical messengers that
control most major bodily functions
- ex: digestive system
what is mechanical digestion? - Answer-physical aspect of
digestion
[chewing, grinding, mixing]
what is chemical digestion? - Answer-enzymes, gastric, &
pancreatic juices, acids, bile, bacteria
where does mechanical and chemical digestion begin? -
Answer-mouth
what gland releases saliva? - Answer-salivary glands
What enzyme does saliva contain? - Answer-salivary
amylase
What does salivary amylase do? - Answer-breaks down
starches into sugars
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What prevents food from entering the trachea? - Answer-
epiglottis
what is the ball of chewed food called? - Answer-bolus
what is released to initiate CHO digestion? - Answer-
amylase
Mouth functions - Answer--Mixing food with saliva
-Physically breaking down food (chewing)
-Salivary amylase starts starch digestion
Pharynx functions - Answer-swallowing
Esophagus functions - Answer-Move food from pharynx to
stomach
-Peristalsis - sequential muscle contractions that move
food ONE direction
-Food must pass through the cardiac sphincterto enter
stomach
NUTR 280 exam 2 jmu Exam (latest version 2026/2027)
Most Recent Exam 2026|2027 Actual Complete Real
Verified Exam Questions And Correct Answers
(Verified Answers) Already Graded A+ | Guaranteed
Success!! Newest Exam!!!
how long is the GI tract? - Answer-~30 ft
how long does it take for "food" to travel from the mouth to
the anus? - Answer-24 - 72 hrs
what variables affect transit time? - Answer-diet, physical
activity, emotional state, health status & medication use
which organs are included in the digestive system -
Answer-Mouth, esophagus, stomach, intestines, pancreas,
liver, and gallbladder
what are the accessory organs of the digestive system? -
Answer-salivary glands
liver
gallbladder
,2|Page
pancreas
What is the mucosa? - Answer-mucus-secreting layer of
tissue that lines the gastrointestinal tract and other body
cavities.
what is mucus? - Answer-- thick fluid secreted by glands in
the digestive tract and other parts of the body
- lubricates, moistens, & protects cells from harsh
environments
what are enzymes? - Answer-- protein molecules
- accelerate chemical runs including those involved in the
breakdown of food into absorbable parts
Bile is made in the __________ and stored in the
__________. - Answer-liver, gallbladder
Bile is released from the gallbladder into the - Answer-
small intestine (duodenum)
what is bile important for digesting - Answer-fatty acids
,3|Page
what are hormones? - Answer-- chemical messengers that
control most major bodily functions
- ex: digestive system
what is mechanical digestion? - Answer-physical aspect of
digestion
[chewing, grinding, mixing]
what is chemical digestion? - Answer-enzymes, gastric, &
pancreatic juices, acids, bile, bacteria
where does mechanical and chemical digestion begin? -
Answer-mouth
what gland releases saliva? - Answer-salivary glands
What enzyme does saliva contain? - Answer-salivary
amylase
What does salivary amylase do? - Answer-breaks down
starches into sugars
, 4|Page
What prevents food from entering the trachea? - Answer-
epiglottis
what is the ball of chewed food called? - Answer-bolus
what is released to initiate CHO digestion? - Answer-
amylase
Mouth functions - Answer--Mixing food with saliva
-Physically breaking down food (chewing)
-Salivary amylase starts starch digestion
Pharynx functions - Answer-swallowing
Esophagus functions - Answer-Move food from pharynx to
stomach
-Peristalsis - sequential muscle contractions that move
food ONE direction
-Food must pass through the cardiac sphincterto enter
stomach
