JMU Nutr 280 Exam 2 Newest 2026 Questions
and Correct Detailed Answers Already Graded A+
What is found in the mouth that breaks down milk fat? - CORRECT ANSWER-
lingual lipase
What is a bolus? - CORRECT ANSWER-portion of food moving through the
esophagus
What is peristalsis? - CORRECT ANSWER-wave like movements
How much time does food speed in the mouth? - CORRECT ANSWER-less than
a minute
What is the pharynx? - CORRECT ANSWER-part of the GI tract that is
responsible for swallowing
What are gastric pits? - CORRECT ANSWER-deep pits in the lining of the
stomach where secretions come from
,What happens to starch digestion in the presence of gastric juices? - CORRECT
ANSWER-it stops
What system is responsible for digestion and absorption of nutrients? -
CORRECT ANSWER-digestive system
What is digestion? - CORRECT ANSWER-when food is broken down into
absorbable units
What are absorbable units? - CORRECT ANSWER-simple sugars (carbs), amino
acids (proteins), fatty acids (lipids)
What are the organs of the GI tract? - CORRECT ANSWER-mouth, pharynx,
esophagus, stomach, small intestine, large intestine, anus
What are the accessory organs for the digestive system? - CORRECT ANSWER-
salivary glands, liver, pancreas, gallbladder
What is the lumen? - CORRECT ANSWER-the inside of the GI tract
, What is the mucosa? - CORRECT ANSWER-the layer of mucosal cells that line
the lumen
What part of the GI tract has high nutrient needs and is one of the first parts of
the body to be affected by nutrient deficiencies? - CORRECT ANSWER-the
mucosa
What is transit time? - CORRECT ANSWER-the time it takes food to travel the
length of the GI tract from mouth to anus
What is mucus? - CORRECT ANSWER-a digestive system secretion that comes
from mucosal cells lining the digestive tract, it moistens, lubricates, and protects
What is an enzyme? - CORRECT ANSWER-a digestive system secretion that
speeds up reactions and helps breakdown larger molecules into smaller ones
What are hormones? - CORRECT ANSWER-chemicals secreted from cells which
travel the bloodstream to signal cells in another part of the body
and Correct Detailed Answers Already Graded A+
What is found in the mouth that breaks down milk fat? - CORRECT ANSWER-
lingual lipase
What is a bolus? - CORRECT ANSWER-portion of food moving through the
esophagus
What is peristalsis? - CORRECT ANSWER-wave like movements
How much time does food speed in the mouth? - CORRECT ANSWER-less than
a minute
What is the pharynx? - CORRECT ANSWER-part of the GI tract that is
responsible for swallowing
What are gastric pits? - CORRECT ANSWER-deep pits in the lining of the
stomach where secretions come from
,What happens to starch digestion in the presence of gastric juices? - CORRECT
ANSWER-it stops
What system is responsible for digestion and absorption of nutrients? -
CORRECT ANSWER-digestive system
What is digestion? - CORRECT ANSWER-when food is broken down into
absorbable units
What are absorbable units? - CORRECT ANSWER-simple sugars (carbs), amino
acids (proteins), fatty acids (lipids)
What are the organs of the GI tract? - CORRECT ANSWER-mouth, pharynx,
esophagus, stomach, small intestine, large intestine, anus
What are the accessory organs for the digestive system? - CORRECT ANSWER-
salivary glands, liver, pancreas, gallbladder
What is the lumen? - CORRECT ANSWER-the inside of the GI tract
, What is the mucosa? - CORRECT ANSWER-the layer of mucosal cells that line
the lumen
What part of the GI tract has high nutrient needs and is one of the first parts of
the body to be affected by nutrient deficiencies? - CORRECT ANSWER-the
mucosa
What is transit time? - CORRECT ANSWER-the time it takes food to travel the
length of the GI tract from mouth to anus
What is mucus? - CORRECT ANSWER-a digestive system secretion that comes
from mucosal cells lining the digestive tract, it moistens, lubricates, and protects
What is an enzyme? - CORRECT ANSWER-a digestive system secretion that
speeds up reactions and helps breakdown larger molecules into smaller ones
What are hormones? - CORRECT ANSWER-chemicals secreted from cells which
travel the bloodstream to signal cells in another part of the body
