Question 1

When a nutrient moves from an area of higher concentration into an absorptive cell where the concentration is lower, this is called _______________

Accepted Answer

passive ab...

Question 2

A function of the large intestine is to absorb

Accepted Answer

A)   fats and proteins.
B)   vitamins and minerals.
C)   water and minerals.
D)   proteins and carbohydrates.Figure: 3.19Learning Outcome: 3.04 Outline the overall processes of digestion and absorption in the mouth, stomach, small intestine, and large intestine, as well as the roles played by the liver, galllbladder, and pancreasSection: 3.08Topic: Human Digestion and AbsorptionWardlaw - Chapter 03 #47E) B) and C)
F) A) and B)

Question 3

What is the function of mucus in the stomach?

Accepted Answer

A)   Emulsifies fats
B)   Neutralizes stomach acid
C)   Digests food
D)   Protects stomach cells from gastric juicesE) A) and D)
F) B) and C)

Question 4

The ring-like muscles that retard or prevent backflow of partially digested food in the gastrointestinal tract are called

Accepted Answer

A)   sphincters.
B)   passages.
C)   openings.
D)   gates.E) None of the above
F) A) and B)

Question 5

Absorption of nutrients by intestinal cells occurs by all the following mechanisms except

Accepted Answer

A)   sustained absorption.
B)   passive absorption.
C)   active absorption.
D)   facilitated absorption.E) B) and C)
F) None of the above

Question 6

______________________________ are sometimes called the "power plants" or the "powerhouse" of the cell

Accepted Answer

Mitochondr...

Question 7

Which of the following is a function of sphincter muscles?

Accepted Answer

A)   Breaks apart food particles
B)   Controls passage of food through the GI tract
C)   Controls peristalsis
D)   Releases enzymes and hormones into the GI tractE) C) and D)
F) A) and B)

Question 8

Partially digested food in the stomach is also known as _______________.

Accepted Answer

The answer of Partially digested food in the stomach is...

Question 9

What structure prevents food from entering the trachea when you swallow?

Accepted Answer

A)   Epiglottis
B)   Tongue
C)   Tonsils
D)   EsophagusFigure: 3.12Learning Outcome: 3.04 Outline the overall processes of digestion and absorption in the mouth, stomach, small intestine, and large intestine, as well as the roles played by the liver, galllbladder, and pancreasSection: 3.08Topic: Human Digestion and AbsorptionWardlaw - Chapter 03 #4E) B) and D)
F) A) and D)

Question 10

A muscular ring that prevents backflow of materials into the previous digestive compartment is called a _______________.

Accepted Answer

The answer of A muscular ring that prevents backflow of...

Question 11

A hormone responds to food entering the small intestine and stimulates the pancreas to release

Accepted Answer

A)   bicarbonate.
B)   acid.
C)   bile.
D)   mucus.E) A) and C)
F) A) and B)

Question 12

The action of circular and longitudinal muscles that move digestive material along the GI tract is called _______________.

Accepted Answer

peristalsis

Question 13

The most active area for the absorption of nutrients into the body is the

Accepted Answer

A)   stomach.
B)   small intestine.
C)   large intestine.
D)   liver.E) None of the above
F) B) and D)

Question 14

Which of the following therapies is appropriate for ulcer treatment?

Accepted Answer

A)   Aspirin
B)   Antacids
C)   Orange juice
D)   Milk and creamE) A) and C)
F) B) and C) B

Question 15

Partially digested food that enters the small intestine from the stomach is called

Accepted Answer

A)   bolus.
B)   mass.
C)   chyme.
D)   bile.E) B) and C)
F) A) and D)

Question 16

The large intestine's main role is to absorb water and _______________.

Accepted Answer

The answer of The large intestine's main role is to...

Question 17

Which of the following, upon digestion, is not normally released directly into the bloodstream?

Accepted Answer

A)   Minerals
B)   Fats
C)   Carbohydrates
D)   ProteinsE) A) and B)
F) A) and C)

Question 18

Which of the following is a description of chyme?

Accepted Answer

A)   A watery mixture of partially digested food released by the stomach into the intestines
B)   The semisolid mass of undigested food that is swallowed
C)   The mixture of pancreatic juices containing enzymes for digestion
D)   A thick, viscous material synthesized by mucosal cells for protection against digestive juicesE) C) and D)
F) All of the above

Question 19

All of the following are features of the epiglottis except which one?

Accepted Answer

A)   It covers the opening of the trachea.
B)   It prevents food from entering the windpipe during swallowing.
C)   It guides food down the esophagus.
D)   It is the first GI tract sphincter.E) A) and D)
F) B) and C)

Question 20

What percentage of a meal has been absorbed by the time it leaves the small intestine?

Accepted Answer

A)   25%
B)   55%
C)   80%
D)   95%E) B) and D)
F) None of the above D

Exam 3: The Human Body: a Nutrition Perspective

When a nutrient moves from an area of higher concentration into an absorptive cell where the concentration is lower, this is called _______________

Correct Answerverifiedpassive ab...View AnswerShow Answer

A function of the large intestine is to absorb

Correct AnswerverifiedShow Answer

What is the function of mucus in the stomach?

Correct AnswerverifiedShow Answer

The ring-like muscles that retard or prevent backflow of partially digested food in the gastrointestinal tract are called

Correct AnswerverifiedShow Answer

Absorption of nutrients by intestinal cells occurs by all the following mechanisms except

Correct AnswerverifiedShow Answer

______________________________ are sometimes called the "power plants" or the "powerhouse" of the cell

Correct AnswerverifiedMitochondr...View AnswerShow Answer

Which of the following is a function of sphincter muscles?

Correct AnswerverifiedShow Answer

Partially digested food in the stomach is also known as _______________.

Correct AnswerverifiedShow Answer

What structure prevents food from entering the trachea when you swallow?

Correct AnswerverifiedShow Answer

A muscular ring that prevents backflow of materials into the previous digestive compartment is called a _______________.

Correct AnswerverifiedShow Answer

A hormone responds to food entering the small intestine and stimulates the pancreas to release

Correct AnswerverifiedShow Answer

The action of circular and longitudinal muscles that move digestive material along the GI tract is called _______________.

Correct Answerverifiedperistalsis

The most active area for the absorption of nutrients into the body is the

Correct AnswerverifiedShow Answer

Which of the following therapies is appropriate for ulcer treatment?

Correct AnswerverifiedB

Partially digested food that enters the small intestine from the stomach is called

Correct AnswerverifiedShow Answer

The large intestine's main role is to absorb water and _______________.

Correct AnswerverifiedShow Answer

Which of the following, upon digestion, is not normally released directly into the bloodstream?

Correct AnswerverifiedShow Answer

Which of the following is a description of chyme?

Correct AnswerverifiedShow Answer

All of the following are features of the epiglottis except which one?

Correct AnswerverifiedShow Answer

What percentage of a meal has been absorbed by the time it leaves the small intestine?

Correct AnswerverifiedD

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Mitochondr...
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peristalsis

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B

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D