NUTR 280 Exam 2 Questions with Detailed
Verified Answers
what is the long tube in the GI tract that connects the throat with the stomach? Ans:
esophagus
what is the region that is located at the back of the mouth? Ans: pharynx
what is the flap of tissue that prevents food from entering the trachea? Ans: epiglottis
what is a moistened mass of food swallowed from the oral cavity into the pharynx?
Ans: bolus
what are the muscular contractions that occur throughout the GI tract and move food
along? Ans: peristalsis
what types of food increase risk of heartburn? Ans: spicy, greasy, and chocolate food
what type of digestion are the muscular layers of muscle tissue in the stomach
responsible for? Ans: mechanical
what type of digestion are the glands that secrete components of gastric juice
responsible for? Ans: chemical
what is the substance that the stomach produces called that is important for the
absorption of vitamin B-12? Ans: intrinsic factor
what is the watery mixture of food and secretions in the stomach called? Ans: chyme
what sphincter is located at the base of the stomach and controls the rate at which
chyme leaves the stomach and enters the small intestine? Ans: pyloric sphincter
what sphincter is located at the top of the esophagus and opens to allow a bolus of
food to travel from the mouth to the esophagus? Ans: upper esophageal sphincter
, what sphincter is located at the bottoms of the esophagus and prevents backflow of
gastric contents from the stomach into the esophagus? Ans: lower esophageal
sphincter
what sphincter is located at the end of the small intestine and prevents the backflow of
fecal matter from the large intestine back into the small intestine? Ans: ileocecal
sphincter
what is the disorder in which a person experiences a total loss of the sense of smell
called? Ans: anosmia
what are the 2 main characteristics of Chrohn's disease? Ans: -superficial,
discontinuous lesions
-can impact any area of the GI tract
what are the 2 main characteristics of Ulcerative Colitis? Ans: -specific to the colon
-deep, continuous lesions
what is the correct order of the digestive organs/organ component according to its
function in digestion? Ans: 1. stomach
2. pyloric sphincter
3. ileum (5 ft)
4. jejunum (4 ft)
5. duodenum (10 in)
true or false: athough human enzymes cannot digest dietary fiber, bacteria that reside
in the large intestine can metabolize dietary fiber to produce substances that nourish
the cells of the colon Ans: true
© Get it right 2025 Getaway - Stuvia US All rights reserved
Verified Answers
what is the long tube in the GI tract that connects the throat with the stomach? Ans:
esophagus
what is the region that is located at the back of the mouth? Ans: pharynx
what is the flap of tissue that prevents food from entering the trachea? Ans: epiglottis
what is a moistened mass of food swallowed from the oral cavity into the pharynx?
Ans: bolus
what are the muscular contractions that occur throughout the GI tract and move food
along? Ans: peristalsis
what types of food increase risk of heartburn? Ans: spicy, greasy, and chocolate food
what type of digestion are the muscular layers of muscle tissue in the stomach
responsible for? Ans: mechanical
what type of digestion are the glands that secrete components of gastric juice
responsible for? Ans: chemical
what is the substance that the stomach produces called that is important for the
absorption of vitamin B-12? Ans: intrinsic factor
what is the watery mixture of food and secretions in the stomach called? Ans: chyme
what sphincter is located at the base of the stomach and controls the rate at which
chyme leaves the stomach and enters the small intestine? Ans: pyloric sphincter
what sphincter is located at the top of the esophagus and opens to allow a bolus of
food to travel from the mouth to the esophagus? Ans: upper esophageal sphincter
, what sphincter is located at the bottoms of the esophagus and prevents backflow of
gastric contents from the stomach into the esophagus? Ans: lower esophageal
sphincter
what sphincter is located at the end of the small intestine and prevents the backflow of
fecal matter from the large intestine back into the small intestine? Ans: ileocecal
sphincter
what is the disorder in which a person experiences a total loss of the sense of smell
called? Ans: anosmia
what are the 2 main characteristics of Chrohn's disease? Ans: -superficial,
discontinuous lesions
-can impact any area of the GI tract
what are the 2 main characteristics of Ulcerative Colitis? Ans: -specific to the colon
-deep, continuous lesions
what is the correct order of the digestive organs/organ component according to its
function in digestion? Ans: 1. stomach
2. pyloric sphincter
3. ileum (5 ft)
4. jejunum (4 ft)
5. duodenum (10 in)
true or false: athough human enzymes cannot digest dietary fiber, bacteria that reside
in the large intestine can metabolize dietary fiber to produce substances that nourish
the cells of the colon Ans: true
© Get it right 2025 Getaway - Stuvia US All rights reserved
