Question 1

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) All of the above

Question 2

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

Accepted Answer

A)   Passive diffusion
B)   Facilitated diffusion
C)   Active absorption
D)   PhagocytosisE) A) and B)
F) A) and C)

Question 3

The muscular contractions that move food through the digestive tract are called

Accepted Answer

A)   regurgitation.
B)   peristalsis.
C)   propulsion.
D)   compression.E) B) and C)
F) A) and D)

Question 4

The function of thick mucus in the stomach is to

Accepted Answer

A)   promote fat digestion.
B)   activate stomach enzymes.
C)   protect stomach cells from acid and enzymes.
D)   keep the stomach bacteria-free.E) B) and C)
F) A) and B)

Question 5

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.E) A) and B)
F) A) and C)

Question 6

Which of the following is an important dietary recommendation for avoiding heartburn?

Accepted Answer

A)   Eat smaller meals that are lower in fat.
B)   Eat large meals.
C)   Eat meals low in carbohydrate.
D)   Avoid fluids.E) B) and C)
F) B) and D)

Question 7

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) All of the above
F) A) and B)

Exam 3: The Human Body: a Nutrition Perspective

The function of thick mucus in the stomach is to

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Which of the following is an important dietary recommendation for avoiding heartburn?

Correct Answer
verified

A function of the large intestine is to absorb

Correct Answer
verified

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

Correct Answer
verified

The muscular contractions that move food through the digestive tract are called

Correct Answer
verified

Exam 3: The Human Body: a Nutrition Perspective

The function of thick mucus in the stomach is to

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

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

Correct AnswerverifiedShow Answer

Which of the following is an important dietary recommendation for avoiding heartburn?

Correct AnswerverifiedShow Answer

A function of the large intestine is to absorb

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The muscular contractions that move food through the digestive tract are called

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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