Question 1

Most chemical digestion takes place in the

Accepted Answer

A)   stomach.
B)   small intestine.
C)   pancreas.
D)   large intestine.E) A) and D)
F) B) and C)

Question 2

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

Question 3

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

Question 4

The components of feces include which of the following?

Accepted Answer

__X__ water.
__X__ b...

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) A) and C)
F) A) and D)

Question 6

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) A) and B)
F) A) and C)

Question 7

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

Question 8

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) A) and D)
F) A) and B)

Question 9

Most stomach ulcers are cause by ______ infection.

Accepted Answer

A)   Clostridium botulinum
B)   Salmonella
C)  E.coli
D)   Helicobacter pyloriE) B) and C)
F) A) and D)

Question 10

Where does digestion begin?

Accepted Answer

A)   Mouth
B)   Stomach
C)   Esophagus
D)   Small intestineE) B) and D)
F) All of the above

Question 11

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) A) and B)

Question 12

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

Accepted Answer

A)   Neutral
B)   Both acidic and basic
C)   Acidic
D)   BasicE) C) and D)
F) All of the above

Question 13

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 C)
F) A) and D)

Question 14

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) A) and B)
F) None of the above

Question 15

Constipation can best be prevented by

Accepted Answer

A)   eating dietary fiber.
B)   restricting fluids.
C)   restricting physical exercise.
D)   using laxatives.E) A) and B)
F) All of the above

Question 16

Which of the following body organs produces bile?

Accepted Answer

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

Question 17

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) A) and C)
F) A) and B)

Question 18

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) B) and C)
F) A) and B)

Question 19

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) A) and B)

Question 20

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) None of the above

Exam 3: The Human Body: a Nutrition Perspective

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

Correct AnswerverifiedShow Answer

Which of the following body organs produces bile?

Correct AnswerverifiedShow Answer

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

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

Which of the following is a description of chyme?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Most stomach ulcers are cause by ______ infection.

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

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

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

Constipation can best be prevented by

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Most chemical digestion takes place in the

Correct AnswerverifiedShow Answer

Where are most digestive enzymes produced?

Correct AnswerverifiedShow Answer

Where does digestion begin?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is true regarding bile?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The components of feces include which of the following?

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

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

Correct AnswerverifiedShow Answer

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X water.
X b...
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