Exam 39: Digestion and Nutrition

The liver is associated with all EXCEPT which of the following functions?

Use the figure above to answer the following questions. -Sphincters

MATCHING Matching.Choose the one most appropriate statement for each. a.a process that mixes the contents of the lumen and forces it against the absorptive surface of the gut b.stimulates pancreatic bicarbonate secretion c.thin, outermost layer of stomach d.a softened ball of food particles e.emulsify fat globules f.have multiple stomach chambers, some of which store populations of microorganisms g.innermost layer of the gut; contains diverse secretory cells h.gastric inhibitory peptide i.stimulates gallbladder and stomach emptying as well as pancreatic enzyme secretions j. a mixture of food particles in the stomach -secretin

Human cells require ____ vitamins at a minimum.

-rectum

-Large gut populations of Bifidobacterium are associated with:

-pharynx

MATCHING Matching.Choose the one most appropriate statement for each. a.a process that mixes the contents of the lumen and forces it against the absorptive surface of the gut b.stimulates pancreatic bicarbonate secretion c.thin, outermost layer of stomach d.a softened ball of food particles e.emulsify fat globules f.have multiple stomach chambers, some of which store populations of microorganisms g.innermost layer of the gut; contains diverse secretory cells h.gastric inhibitory peptide i.stimulates gallbladder and stomach emptying as well as pancreatic enzyme secretions j. a mixture of food particles in the stomach -bile salts

Matching.Choose the one most appropriate statement for each. a.made in the small intestine and pancreas; act on peptide fragments b.glucose, fructose, and galactose are examples c.made in the pancreas; acts on fats d.made by the pancreas and salivary glands; acts on starch e.made by the small intestine; acts on double sugars f.made by the pancreas; acts on proteins and polypeptides g.contains cholesterol; helps emulsify fats h.made in the stomach; acts on proteins i.stimulates hydrochloric acid secretion j. circular muscle acts like valve -sphincter

-Which of the following statements about digestion in ruminants is false?

-small intestine

Classification.Respond to the following statements with reference to the four glands or structures of the mammalian gastrointestinal tract listed below. a.salivary glands b.stomach mucosa c.intestinal mucosa d.pancreas -The fat-digesting enzyme, lipase, is formed there.

MATCHING Matching.Choose the one most appropriate statement for each. a.a process that mixes the contents of the lumen and forces it against the absorptive surface of the gut b.stimulates pancreatic bicarbonate secretion c.thin, outermost layer of stomach d.a softened ball of food particles e.emulsify fat globules f.have multiple stomach chambers, some of which store populations of microorganisms g.innermost layer of the gut; contains diverse secretory cells h.gastric inhibitory peptide i.stimulates gallbladder and stomach emptying as well as pancreatic enzyme secretions j. a mixture of food particles in the stomach -chyme

-stomach

The following questions refer to the figure above. -The structures illustrated in the figure are found in the

Matching.Choose the one most appropriate statement for each. a.made in the small intestine and pancreas; act on peptide fragments b.glucose, fructose, and galactose are examples c.made in the pancreas; acts on fats d.made by the pancreas and salivary glands; acts on starch e.made by the small intestine; acts on double sugars f.made by the pancreas; acts on proteins and polypeptides g.contains cholesterol; helps emulsify fats h.made in the stomach; acts on proteins i.stimulates hydrochloric acid secretion j. circular muscle acts like valve -amino- and carboxypeptidase

MATCHING Matching.Choose the one most appropriate statement for each. a.a process that mixes the contents of the lumen and forces it against the absorptive surface of the gut b.stimulates pancreatic bicarbonate secretion c.thin, outermost layer of stomach d.a softened ball of food particles e.emulsify fat globules f.have multiple stomach chambers, some of which store populations of microorganisms g.innermost layer of the gut; contains diverse secretory cells h.gastric inhibitory peptide i.stimulates gallbladder and stomach emptying as well as pancreatic enzyme secretions j. a mixture of food particles in the stomach -bolus

-__________ moves food down the esophagus and through a __________ (a ring of muscle that can close off an opening) into the stomach.

-pancreas

Classification.Respond to the following statements with reference to the five vitamins listed below. a.Vitamin B₁ b.Vitamin B₂ c.Niacin d.Vitamin B₆ e.Vitamin B₁₂ -A deficiency of this vitamin causes pernicious anemia and neurological disorders and is a coenzyme important in synthesizing DNA.