Question 1

Which one of the following food sources would be eaten by carnivores?

Accepted Answer

A) apples 
B) Girl Scout cookies 
C) mushrooms 
D) deer 
A) apples 
B) Girl Scout cookies 
C) mushrooms 
D) deer

Question 2

If a person wishes to lose weight, he or she must

Accepted Answer

A) expend more kcals of heat energy compared to the kcals of potential energy ingested. 
B) conserve more kcals of heat energy compared to the kcals of potential energy ingested. 
C) eat more lipids due to their lower kcal/g ratio. 
D) become a vegetarian and cut protein from the diet. 
A) expend more kcals of heat energy compared to the kcals of potential energy ingested. 
B) conserve more kcals of heat energy compared to the kcals of potential energy ingested. 
C) eat more lipids due to their lower kcal/g ratio. 
D) become a vegetarian and cut protein from the diet.

Question 3

Lipases help digest

Accepted Answer

A) proteins. 
B) glucose. 
C) amino acids. 
D) fats. 
A) proteins. 
B) glucose. 
C) amino acids. 
D) fats.

Question 4

Omega-3 fatty acids are found primarily in red meat.

Accepted Answer

A) True 
 B)False

Question 5

Why do sheep have a much longer small intestine relative to their size than dogs do?

Accepted Answer

A) Sheep are generally larger than dogs, and the larger the animal, the larger the relative size of their small intestine. 
B) Dogs have sharper teeth than sheep, so they do not need to absorb food only through their small intestines. 
C) Sheep eat relatively nutrient-poor food, and a long intestine allows more complete absorption of the available nutrients. 
D) Dogs have a simple stomach, whereas the sheep stomach is fairly complex. 
A) Sheep are generally larger than dogs, and the larger the animal, the larger the relative size of their small intestine. 
B) Dogs have sharper teeth than sheep, so they do not need to absorb food only through their small intestines. 
C) Sheep eat relatively nutrient-poor food, and a long intestine allows more complete absorption of the available nutrients. 
D) Dogs have a simple stomach, whereas the sheep stomach is fairly complex.

Question 6

Examine the photograph below of an animal skull.
   
The characteristics of this skull suggest that it belongs to a ____________________, the type of animal that consumes only ____________________.

Accepted Answer

The answer of Examine the photograph below of an animal...

Question 7

A major concern in public health is the intake of too much _____, thus leading many people to have _____, which can damage _____.

Accepted Answer

A) iodine; goiter; muscles 
B) zinc; depression; nerves 
C) table salt; high blood pressure; kidneys 
D) calcium; osteoporosis; bones 
A) iodine; goiter; muscles 
B) zinc; depression; nerves 
C) table salt; high blood pressure; kidneys 
D) calcium; osteoporosis; bones

Question 8

The colon contains bacteria that produce ____________________, a small organic compound that is involved in blood clotting.

Accepted Answer

The answer of The colon contains bacteria that produce ____________________,...

Question 9

An individual who wishes to avoid getting ill during the wintertime experiments by significantly boosting vitamin intake by taking multiple vitamin supplements. This action could

Accepted Answer

A) help the individual live decades longer. 
B) be dangerous because some elements are only needed in small amounts for the human body. 
C) help the individual to look decades younger. 
D) reduce the individual's fiber intake. 
A) help the individual live decades longer. 
B) be dangerous because some elements are only needed in small amounts for the human body. 
C) help the individual to look decades younger. 
D) reduce the individual's fiber intake.

Question 10

Which of the following might be true of an omnivore?

Accepted Answer

A) An omnivore probably has spiked teeth for tearing and flat teeth for grinding. 
B) An omnivore probably has a very complex stomach with many different chambers for housing microorganisms that break down cellulose. 
C) An omnivore probably has a very short intestine because all the foods it consumes are easily absorbed. 
D) An omnivore probably produces the enzyme that breaks down cellulose and pepsin. 
A) An omnivore probably has spiked teeth for tearing and flat teeth for grinding. 
B) An omnivore probably has a very complex stomach with many different chambers for housing microorganisms that break down cellulose. 
C) An omnivore probably has a very short intestine because all the foods it consumes are easily absorbed. 
D) An omnivore probably produces the enzyme that breaks down cellulose and pepsin.

Question 11

Which pair of elements would make up more of your body weight than any of the other pairs below?

Accepted Answer

A) sodium and chlorine 
B) carbon and oxygen 
C) phosphorus and magnesium 
D) potassium and iodine 
A) sodium and chlorine 
B) carbon and oxygen 
C) phosphorus and magnesium 
D) potassium and iodine

Question 12

Which of the following is not secreted by the mammalian pancreas?

Accepted Answer

A) pepsin 
B) bicarbonate 
C) trypsin 
D) chymotrypsin 
A) pepsin 
B) bicarbonate 
C) trypsin 
D) chymotrypsin

Question 13

The natural production and absorption of many vitamins is regulated by negative feedback loops.

Accepted Answer

A) True 
 B)False

Question 14

Whole grain foods are good components of a diet when trying to reduce cancer risk.

Accepted Answer

A) True 
 B)False

Question 15

The brush border in the small intestine decreases the amount of surface area available for absorption of nutrients.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is false?

Accepted Answer

A) A sheep has a small intestine about six times longer than that of a wolf. 
B) A wolf has a single-chambered stomach, but a sheep's stomach has four chambers. 
C) A wolf's teeth are made for tearing and some chewing and a sheep's teeth are made mostly for grinding. 
D) A wolf's colon contains bacteria that digest cellulose, and a sheep's stomach produces enzymes that digest cellulose. 
A) A sheep has a small intestine about six times longer than that of a wolf. 
B) A wolf has a single-chambered stomach, but a sheep's stomach has four chambers. 
C) A wolf's teeth are made for tearing and some chewing and a sheep's teeth are made mostly for grinding. 
D) A wolf's colon contains bacteria that digest cellulose, and a sheep's stomach produces enzymes that digest cellulose.

Question 17

Which of the following statements about fat digestion is false?

Accepted Answer

A) Fat molecules are too large to cross the gut wall. 
B) Fats dissolve poorly in the watery mass of food moving through the gut. 
C) Fats are difficult to absorb. 
D) Fats cannot be broken down into smaller molecules. 
A) Fat molecules are too large to cross the gut wall. 
B) Fats dissolve poorly in the watery mass of food moving through the gut. 
C) Fats are difficult to absorb. 
D) Fats cannot be broken down into smaller molecules.

Question 18

The empty label in the following scheme most likely should read

Accepted Answer

A) carbohydrates. 
B) fiber. 
C) all broken-down materials. 
D) all usable nutrients. 
A) carbohydrates. 
B) fiber. 
C) all broken-down materials. 
D) all usable nutrients.

Question 19

Vitamins are an essential source of energy.

Accepted Answer

A) True 
 B)False

Question 20

The enzyme that works well in the acidic environment of the stomach is

Accepted Answer

A) trypsin. 
B) pepsin. 
C) amylase. 
D) rennin. 
A) trypsin. 
B) pepsin. 
C) amylase. 
D) rennin.

Exam 27: Nutrition and Digestion

Which one of the following food sources would be eaten by carnivores?

If a person wishes to lose weight, he or she must

Lipases help digest

Omega-3 fatty acids are found primarily in red meat.

Why do sheep have a much longer small intestine relative to their size than dogs do?

Examine the photograph below of an animal skull. The characteristics of this skull suggest that it belongs to a ____________________, the type of animal that consumes only ____________________.

A major concern in public health is the intake of too much _____, thus leading many people to have _____, which can damage _____.

The colon contains bacteria that produce ____________________, a small organic compound that is involved in blood clotting.

An individual who wishes to avoid getting ill during the wintertime experiments by significantly boosting vitamin intake by taking multiple vitamin supplements. This action could

Which of the following might be true of an omnivore?

Which pair of elements would make up more of your body weight than any of the other pairs below?

Which of the following is not secreted by the mammalian pancreas?

The natural production and absorption of many vitamins is regulated by negative feedback loops.

Whole grain foods are good components of a diet when trying to reduce cancer risk.

The brush border in the small intestine decreases the amount of surface area available for absorption of nutrients.

Which of the following is false?

Which of the following statements about fat digestion is false?

The empty label in the following scheme most likely should read

Vitamins are an essential source of energy.

The enzyme that works well in the acidic environment of the stomach is

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Examine the photograph below of an animal skull. The characteristics of this skull suggest that it belongs to a , the type of animal that consumes only .

A major concern in public health is the intake of too much ___, thus leading many people to have _, which can damage ___.