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Bile salts play a role in absorption of __________.


A) water-soluble vitamins
B) fat-soluble vitamins
C) minerals
D) water
E) fiber

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Provide a general overview with a brief description (or example) of each level of organization within the body beginning with cells and ending with a body system.

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Cells are organized into tissues designe...

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How does the type of food eaten influence stomach emptying rate?


A) The type of food has virtually no impact on the stomach emptying rate.
B) Solids pass through the stomach more quickly than liquids.
C) Proteins pass through the stomach more slowly than fats.
D) Carbohydrates pass through the stomach more quickly than proteins.
E) Fats pass through the stomach more quickly than carbohydrates.

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The ________ protects the esophagus from stomach acid splashing back into the esophagus.


A) epiglottis
B) pyloric sphincter
C) ileocecal valve
D) lower esophageal spincter
E) appendix

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What substance neutralizes the acidic chyme once it enters the small intestine?


A) Amylase
B) Pepsin
C) Bile
D) Bicarbonate
E) Glycogen

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All the food from the stomach is gradually pushed into the small intestine.

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Where is bile produced and stored, and what is its purpose during digestion?

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The liver produces about one liter of bi...

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Cholesterol and bile pigments from the breakdown of hemoglobin are excreted in bile.

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What enzyme present in the mouth is responsible for converting starch into small polysaccharides?


A) Amylase
B) Maltase
C) Lactase
D) Polypeptidase
E) Lipase

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Once food is mixed into a semi-liquid blend in the stomach, it is called _____.


A) chyme
B) gastric secretions
C) bolus
D) indigestible residue
E) partially digested food

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Vignette #1 Sue and Juan are newlyweds, and Sue is taking a nutrition course at the local college. She wants to apply the principles that she has learned. Juan is currently a bit overweight and rarely eats a balanced diet. Sue notices that he usually has gas after meals, especially when dairy is present. Lately, he has also been complaining about constipation. Let's see what you can do to assist Sue in her efforts to analyze Juan's digestive problems. Juan frequently acquires the hiccups. What is a common cause for this ailment?


A) Swallowing air
B) Sphincter muscle spasms
C) Eating beans and cruciferous vegetables
D) Drinking hot beverages
E) Consuming a glass of wine

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List at least four food, nutrient, or lifestyle changes that have contributed to increased chronic disease risk in individuals today compared to our ancestors who were hunter-gatherers about 10,000 years ago? What foods are commonly found in the modern diet that was unavailable to our prehistoric ancestors?

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blured image Foods found in the modern diets that we...

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The stomach is the digestive organ where digestion of ____ is initiated thanks to hydrochloric acid.


A) vitamin B12
B) lactose
C) insoluble fiber
D) protein
E) soluble fiber

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Premises
Rectum
Small intestine
Liver
Anus
Appendix
Esophagus
Pancreas
Stomach
Gallbladder
Large intestine
Responses
9
10
8
3
6
1
2
4
7
5

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Rectum
Small intestine
Liver
Anus
Appendix
Esophagus
Pancreas
Stomach
Gallbladder
Large intestine

The large intestine is the same diameter as the small intestine but longer in length.

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Vignette #1 Sue and Juan are newlyweds, and Sue is taking a nutrition course at the local college. She wants to apply the principles that she has learned. Juan is currently a bit overweight and rarely eats a balanced diet. Sue notices that he usually has gas after meals, especially when dairy is present. Lately, he has also been complaining about constipation. Let's see what you can do to assist Sue in her efforts to analyze Juan's digestive problems. Juan is unsure about topics surrounding gas in the digestive system. What statement about gas is correct?


A) Gas from swallowed air has a bad odor.
B) Belched gas leaves through the rectum.
C) The average adult passes gas twice a day.
D) Some gas is produced by the bacteria that live in our colon.
E) Gas produced due to lactose maldigestion is typically accompanied by constipation.

Correct Answer

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Joe is taking a nutrition course and learns that the galactose in his milk ends up as glucose. Where does this conversion take place?


A) Brain
B) Liver
C) Gallbladder
D) Appendix
E) Pancreas

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Joe finds himself troubled with gas after eating certain foods. The quantity and quality of intestinal gas is related to the types of food eaten and ____.


A) the characteristics of intestinal bacteria
B) the amount of water in the large intestine
C) the amount of food eaten
D) the quantity of vitamin K in the large intestine
E) the amount of bicarbonate secreted by the pancreas

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What chemical stimulates the gallbladder to send bile into the small intestine?


A) Cholecystokinin
B) Bicarbonate
C) Lycopene
D) Linoleic acid
E) Hydrochloric acid

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Joe is eating a peanut butter and jelly sandwich on whole-wheat bread. The chemical digestion of what nutrient in his sandwich is started in his mouth?


A) The fat in the peanut butter
B) The fiber in the peanut butter
C) The vitamins in the bread
D) The starch in the bread
E) The protein in the bread and in the peanut butter

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