Question 1

Most chemical digestion takes place in the

Accepted Answer

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

Question 2

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) All of the above
F) None of the above

Question 3

The constant turnover of body tissues requires the ______ supplied by carbohydrates, proteins, and lipids.

Accepted Answer

A)   hormones
B)   vitamins
C)   chemical energy
D)   structural componentsE) A) and B)
F) A) and C)

Question 4

The ___________________________ system is made up of several glands that act in the regulation of metabolism, reproduction, water balance, and many other functions.

Accepted Answer

A)   cardiovascular
B)   urinary
C)   lymphatic
D)   endocrineE) All of the above
F) A) and D)

Question 5

Which of the following is a feature of the lymphatic system?

Accepted Answer

A)   It is composed of a mucus-like substance.
B)   It picks up and transports dietary lipids.
C)   It serves to transport fat- and water-soluble vitamins to the heart.
D)   It funnels nutrients to the liver via a one-way pump.E) B) and C)
F) A) and D)

Question 6

Which of the following body organs produces bile?

Accepted Answer

A)   Stomach
B)   Salivary glands
C)   Pancreas
D)   LiverE) None of the above
F) All of the above

Question 7

When a nutrient moves, with the help of a carrier, 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)   phagocytosis.E) A) and B)
F) C) and D)

Question 8

Where are most digestive enzymes produced?

Accepted Answer

A)   Pancreas and small intestine
B)   Liver and large intestine
C)   Pancreas and large intestine
D)   Liver and pancreasE) None of the above
F) All of the above

Question 9

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) B) and D)
F) C) and D)

Question 10

A compound that allows for communication between one cell and the next is a

Accepted Answer

A)   neuron.
B)   neurotransmitter.
C)   nephron.
D)   synapse.E) A) and C)
F) C) and D)

Question 11

The components of feces include which of the following?

Accepted Answer

__X__ water.
__X__ b...

Question 12

Constipation can best be prevented by

Accepted Answer

A)   eating dietary fiber.
B)   restricting fluids.
C)   restricting physical exercise.
D)   using laxatives.E) None of the above
F) A) and D)

Question 13

To which body part does blood travel to pick up oxygen and release carbon dioxide?

Accepted Answer

A)   Heart
B)   Lungs
C)   Liver
D)   KidneysE) C) and D)
F) A) and C)

Question 14

All of the following must be supplied by the diet to support the chemical processes of human physiology EXCEPT

Accepted Answer

A)   vitamins and minerals.
B)   carbohydrates.
C)   lipids.
D)   phytochemicals.E) None of the above
F) C) and D)

Question 15

Which pH best describes the environment of the stomach when stimulated?

Accepted Answer

A)   Neutral
B)   Both acidic and basic
C)   Acidic
D)   BasicE) All of the above
F) None of the above

Question 16

What substance helps suspend fat in a watery digestive mixture, making fat more available to digestive enzymes?

Accepted Answer

A)   Bicarbonate
B)   Mucus
C)   Bile
D)   Pancreatic juicesE) B) and C)
F) None of the above

Question 17

After digestion and absorption, which circulatory system carries fat and fat-soluble vitamins?

Accepted Answer

A)   Portal
B)   Enterohepatic
C)   Lymphatic
D)   MesenteryE) None of the above
F) All of the above

Question 18

Most stomach ulcers are cause by ______ infection.

Accepted Answer

A)   Clostridium botulinum
B)   Salmonella
C)  E.coli
D)   Helicobacter pyloriE) All of the above
F) A) and C)

Question 19

Where does digestion begin?

Accepted Answer

A)   Mouth
B)   Stomach
C)   Esophagus
D)   Small intestineE) None of the above
F) A) and B)

Question 20

Which of the following is true regarding bile?

Accepted Answer

A)   It is an enzyme.
B)   It stimulates the release of pancreatic juices.
C)   It is produced by the liver.
D)   It is a hormone.E) None of the above
F) A) and C)

Exam 3: The Human Body: a Nutrition Perspective

To which body part does blood travel to pick up oxygen and release carbon dioxide?

Correct AnswerverifiedShow Answer

Which of the following body organs produces bile?

Correct AnswerverifiedShow Answer

After digestion and absorption, which circulatory system carries fat and fat-soluble vitamins?

Correct AnswerverifiedShow Answer

Which of the following is a description of chyme?

Correct AnswerverifiedShow Answer

Which of the following is true regarding bile?

Correct AnswerverifiedShow Answer

What substance helps suspend fat in a watery digestive mixture, making fat more available to digestive enzymes?

Correct AnswerverifiedShow Answer

The ___________________________ system is made up of several glands that act in the regulation of metabolism, reproduction, water balance, and many other functions.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

All of the following must be supplied by the diet to support the chemical processes of human physiology EXCEPT

Correct AnswerverifiedShow Answer

Constipation can best be prevented by

Correct AnswerverifiedShow Answer

Where does digestion begin?

Correct AnswerverifiedShow Answer

Most stomach ulcers are cause by ______ infection.

Correct AnswerverifiedShow Answer

The constant turnover of body tissues requires the ______ supplied by carbohydrates, proteins, and lipids.

Correct AnswerverifiedShow Answer

Which pH best describes the environment of the stomach when stimulated?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A compound that allows for communication between one cell and the next is a

Correct AnswerverifiedShow Answer

Most chemical digestion takes place in the

Correct AnswerverifiedShow Answer

Which of the following is a feature of the lymphatic system?

Correct AnswerverifiedShow Answer

The components of feces include which of the following?

Correct Answerverified__X__ water.__X__ b...View AnswerShow Answer

Where are most digestive enzymes produced?

Correct AnswerverifiedShow Answer

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X water.
X b...
View Answer

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