Question 1

____ neutralizes the acidic chyme as it enters the small intestine.

Accepted Answer

A)  Bile 
B)  Bicarbonate 
C)  Gastrin 
D)  Pepsin 
A)  Bile 
B)  Bicarbonate 
C)  Gastrin 
D)  Pepsin

Question 2

These yogurts are good sources of ____, which contain active cultures of beneficial bacteria.

Accepted Answer

A)  fiber 
B)  prebiotics 
C)  probiotics 
D)  Vitamin E 
A)  fiber 
B)  prebiotics 
C)  probiotics 
D)  Vitamin E

Question 3

The exchange of nutrients and gases occurs across the thin walls of the

Accepted Answer

A)  blood capillaries. 
B)  lacteals. 
C)  pharynx. 
D)  large intestine. 
A)  blood capillaries. 
B)  lacteals. 
C)  pharynx. 
D)  large intestine.

Question 4

The gastrointestinal tract is a hollow tube that begins at the mouth and ends at the colon.

Accepted Answer

A) True 
 B)False

Question 5

As compared to when you are at rest between meals, when you are exercising, a ___________ proportion of your blood goes to your digestive system.

Accepted Answer

A)  smaller 
B)  the same 
C)  greater 
A)  smaller 
B)  the same 
C)  greater

Question 6

Excess amino acids can be converted into fatty acids and stored as body fat.

Accepted Answer

A) True 
 B)False

Question 7

Peyer's patches, located in the mucosa of the small intestine, function to:

Accepted Answer

A)  aid nutrients in entering the circulatory system. 
B)  enhance the functioning of digestive processes. 
C)  increase the motility of the gastrointestinal tract. 
D)  prevent harmful organisms present in the gastrointestinal tract from making us sick. 
A)  aid nutrients in entering the circulatory system. 
B)  enhance the functioning of digestive processes. 
C)  increase the motility of the gastrointestinal tract. 
D)  prevent harmful organisms present in the gastrointestinal tract from making us sick.

Question 8

Factors that influence transit time include all of the following EXCEPT the
a) composition of the meal.
b) emotional status of the individual.
c) use of certain medications.
d) all of these influence transit time.

Accepted Answer

A) True 
 B)False

Question 9

The majority of absorption occurs in the stomach.

Accepted Answer

A) True 
 B)False

Question 10

Gluten-free diets are essential for people with celiac disease, but a gluten-free diet has also been promoted for weight loss. How could one lose weight by following a gluten-free diet?

Accepted Answer

Following a gluten-free diet can potenti

Question 11

Which of the following is NOT a function of the lymphatic system?

Accepted Answer

A)  Aiding in the absorption of water-soluble substances 
B)  Containing infection-fighting cells 
C)  Draining fluid that collects in tissues and between cells 
D)  All of these are functions of the lymphatic system. 
A)  Aiding in the absorption of water-soluble substances 
B)  Containing infection-fighting cells 
C)  Draining fluid that collects in tissues and between cells 
D)  All of these are functions of the lymphatic system.

Question 12

The _____ system eliminates the majority of nitrogen-containing metabolic waste products.

Accepted Answer

A)  circulatory 
B)  integumentary 
C)  respiratory 
D)  urinary 
A)  circulatory 
B)  integumentary 
C)  respiratory 
D)  urinary

Question 13

When you eat a taco, the tortilla, meat, cheese, lettuce, and tomato are broken apart, releasing the nutrients and other food components they contain. This process is called

Accepted Answer

A)  absorption. 
B)  digestion. 
C)  neutralization. 
D)  transit. 
A)  absorption. 
B)  digestion. 
C)  neutralization. 
D)  transit.

Question 14

The regulation of stomach motility and secretion

Accepted Answer

A)  does not vary based on the composition of the meal. 
B)  is affected by the food that has not yet reached the stomach. 
C)  is controlled in part by the hormone pepsin. 
D)  is not affected by the material that has exited the stomach. 
A)  does not vary based on the composition of the meal. 
B)  is affected by the food that has not yet reached the stomach. 
C)  is controlled in part by the hormone pepsin. 
D)  is not affected by the material that has exited the stomach.

Question 15

The stomach

Accepted Answer

A)  serves as a temporary storage site. 
B)  contents are highly alkaline. 
C)  secretes lipases that complete fat digestion. 
D)  manufactures bile. 
A)  serves as a temporary storage site. 
B)  contents are highly alkaline. 
C)  secretes lipases that complete fat digestion. 
D)  manufactures bile.

Question 16

Which of the following statements about food allergies is FALSE?

Accepted Answer

A)  An allergen is the name referred to the substance that causes an allergic reaction. 
B)  As food is digested, fragments of undigested protein trigger production of antibodies. 
C)  Some of the most common ingredients that cause allergic reactions are peanuts, milk, and eggs. 
D)  The first time a food is consumed, it triggers an allergic reaction. 
A)  An allergen is the name referred to the substance that causes an allergic reaction. 
B)  As food is digested, fragments of undigested protein trigger production of antibodies. 
C)  Some of the most common ingredients that cause allergic reactions are peanuts, milk, and eggs. 
D)  The first time a food is consumed, it triggers an allergic reaction.

Question 17

In regard to blood circulation, if you begin with oxygen-poor blood that reaches the heart from the body and is pumped through arteries to capillaries of the lungs, then determine the order for the following: 1. In capillaries of the body, nutrients and oxygen move from the blood to body tissues.
2) Oxygen-rich blood returns to the heart from the lungs by veins.
3) In capillaries of the lungs, oxygen from inhaled air is picked up by the blood and carbon dioxide is released into the lungs and exhaled.
4) Oxygen-rich blood is pumped out of the heart into arteries leading to the body.

Accepted Answer

A)  1 → 3 → 4 → 2 
B)  4 → 2 → 1 → 3 
C)  3 → 2 → 4 → 1 
D)  2 → 3 → 1 → 4 
A)  1 → 3 → 4 → 2 
B)  4 → 2 → 1 → 3 
C)  3 → 2 → 4 → 1 
D)  2 → 3 → 1 → 4

Question 18

Which of the following is the correct order, from smallest unit to largest?

Accepted Answer

A)  atoms → cells → molecules → tissues 
B)  atoms → molecules → cells → tissues 
C)  cells → molecules → tissues → cells 
D)  molecules → atoms → cells → tissues 
A)  atoms → cells → molecules → tissues 
B)  atoms → molecules → cells → tissues 
C)  cells → molecules → tissues → cells 
D)  molecules → atoms → cells → tissues

Question 19

The mass of chewed food that is swallowed is called

Accepted Answer

A)  bicarbonate. 
B)  the bolus. 
C)  chyme. 
D)  pepsin. 
A)  bicarbonate. 
B)  the bolus. 
C)  chyme. 
D)  pepsin.

Question 20

The first location of chemical and mechanical digestion is the stomach.

Accepted Answer

A) True 
 B)False

____ neutralizes the acidic chyme as it enters the small intestine.

These yogurts are good sources of ____, which contain active cultures of beneficial bacteria.

The exchange of nutrients and gases occurs across the thin walls of the

The gastrointestinal tract is a hollow tube that begins at the mouth and ends at the colon.

As compared to when you are at rest between meals, when you are exercising, a ___________ proportion of your blood goes to your digestive system.

Excess amino acids can be converted into fatty acids and stored as body fat.

Peyer's patches, located in the mucosa of the small intestine, function to:

Factors that influence transit time include all of the following EXCEPT the a) composition of the meal. b) emotional status of the individual. c) use of certain medications. d) all of these influence transit time.

The majority of absorption occurs in the stomach.

Gluten-free diets are essential for people with celiac disease, but a gluten-free diet has also been promoted for weight loss. How could one lose weight by following a gluten-free diet?

Which of the following is NOT a function of the lymphatic system?

The _____ system eliminates the majority of nitrogen-containing metabolic waste products.

When you eat a taco, the tortilla, meat, cheese, lettuce, and tomato are broken apart, releasing the nutrients and other food components they contain. This process is called

The regulation of stomach motility and secretion

The stomach

Which of the following statements about food allergies is FALSE?

Which of the following is the correct order, from smallest unit to largest?

The mass of chewed food that is swallowed is called

The first location of chemical and mechanical digestion is the stomach.

Nutrition: Everyday Choices

Guidelines for a Healthy Diet

Carbohydrates: Sugars, Starches, and Fibers

Lipids: Fats, Phospholipids, and Sterols

Proteins and Amino Acids

Vitamins

Water and Minerals

Energy Balance and Weight Management

Nutrition, Fitness, and Physical Activity

Nutrition During Pregnancy and Infancy

Nutrition From 1 to 100

How Safe Is Our Food Supply

Feeding the World

Filters

Exam 3: Digestion: From Meals to Molecules

____ neutralizes the acidic chyme as it enters the small intestine.

These yogurts are good sources of ____, which contain active cultures of beneficial bacteria.

The exchange of nutrients and gases occurs across the thin walls of the

The gastrointestinal tract is a hollow tube that begins at the mouth and ends at the colon.

As compared to when you are at rest between meals, when you are exercising, a ___________ proportion of your blood goes to your digestive system.

Excess amino acids can be converted into fatty acids and stored as body fat.

Peyer's patches, located in the mucosa of the small intestine, function to:

Factors that influence transit time include all of the following EXCEPT the a) composition of the meal. b) emotional status of the individual. c) use of certain medications. d) all of these influence transit time.

The majority of absorption occurs in the stomach.

Gluten-free diets are essential for people with celiac disease, but a gluten-free diet has also been promoted for weight loss. How could one lose weight by following a gluten-free diet?

Which of the following is NOT a function of the lymphatic system?

The _____ system eliminates the majority of nitrogen-containing metabolic waste products.

When you eat a taco, the tortilla, meat, cheese, lettuce, and tomato are broken apart, releasing the nutrients and other food components they contain. This process is called

The regulation of stomach motility and secretion

The stomach

Which of the following statements about food allergies is FALSE?

Which of the following is the correct order, from smallest unit to largest?

The mass of chewed food that is swallowed is called

The first location of chemical and mechanical digestion is the stomach.

Nutrition: Everyday Choices

Guidelines for a Healthy Diet

Carbohydrates: Sugars, Starches, and Fibers

Lipids: Fats, Phospholipids, and Sterols

Proteins and Amino Acids

Vitamins

Water and Minerals

Energy Balance and Weight Management

Nutrition, Fitness, and Physical Activity

Nutrition During Pregnancy and Infancy

Nutrition From 1 to 100

How Safe Is Our Food Supply

Feeding the World

Filters