Exam 39: Digestion and Nutrition

Use the figure above to answer the following questions. -The organ responsible for excretion of both urine and feces indicated by the letter"F" is called 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 -disaccharidase

How many amino acids are considered to be essential because the human body cannot synthesize them?

-Immediately after a meal, the concentration of glucose in the blood tends to increase due specifically to what digestive system task?

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 pellagra.

Body weight is related to

-Delivery of bile into the small intestine causes the __________ of fats, breaking them into smaller, more easily digested droplets.

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 enzyme pepsin is produced there.

-Multicelled, absorptive structures called __________ are on each fold of the small intestines.

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 -mucosa

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 -pepsin

Obese people have a greater risk of all of the following EXCEPT

The greatest amount of nutrient absorption takes place in the

-Most digestion occurs and most nutrients and water are absorbed in the __________.

Phytochemicals in low quantities in a person's diet may lead to

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 -segmentation

Phytochemicals are

Use the figure above to answer the following questions. -Which of the following are the largest projections of the small intestine surface?

-If you are seeking to maintain a healthy weight, should you be concerned about carbohydrate, fat or protein intake?

-Saliva contains the enzyme __________, which begins the process of starch digestion.