Question 1

In the body, glucose is stored in the liver as

Accepted Answer

A)   starch.
B)   protein.
C)   glycogen.
D)   fat.
E)   amino acids.F) A) and D)
G) A) and B)

Question 2

Diabetes mellitus, which is indicated by high levels of blood glucose that have spilled over into the urine, is decreasing among the citizens of the United States.

Accepted Answer

A) True 
 B)False

Question 3

List, in order, the organs that food will go through as it starts in the mouth and comes out the anus.

Accepted Answer

Food will start in the mouth, swallowed ...

Question 4

If an individual was interested in eating a healthy breakfast that would provide them with energy for the entire day the breakfast should include which of the following foods?

Accepted Answer

A)   Whole grain cereal with 4 ounces of milk.
B)   Two pieces of whole grain toast made with refined wheat flour.
C)   Two slices of bacon and one scrambled egg.
D)   Scrambled eggs and refried beans.
E)   All of the choices would provide energy for the entire day.F) A) and C)
G) C) and D)

Question 5

Which represents the proper sequence of human teeth from the front to the back of the mouth?

Accepted Answer

A)   2 incisors, 1 canine, 3 premolars, 3 molars
B)   2 incisors, 1 canine, 2 premolars, 3 molars
C)   3 incisors, 1 canine, 2 premolars, 2 molars
D)   2 incisors, 2 canines, 2 premolars, 3 molars
E)   2 incisors, 1 canine, 3 premolars, 2 molarsF) A) and B)
G) D) and E)

Question 6

Identify the correct sequence of events for the digestion of starch?
A. Salivary amylase is produced by the salivary glands
B. Starch digestion begins in the mouth
C. Starch digestion begins in the stomach
D. Starch is converted into maltose
E. Starch is converted into glycogen
F. Maltose is digested into glucose in the small intestine
G. Glucose is absorbed in the small intestine
H. Glucose is absorbed in the large intestine

Accepted Answer

A)   a - b - d - f - g
B)   a - c - d - f - h
C)   a - b - e - f - g
D)   b - c - a - g - h
E)   a - b - e - f - g.F) B) and D)
G) A) and D)

Question 7

An example of an animal with an incomplete gut is a

Accepted Answer

A)   squid.
B)   earthworm.
C)   planarian.
D)   human.
E)   grasshopper.F) B) and E)
G) C) and D)

Question 8

The structural features of the small intestine that enable the absorption of nutrients are the

Accepted Answer

A)   microvilli.
B)   appendix.
C)   rugae.
D)   capillary beds.E) A) and B)
F) A) and C)

Question 9

Carbohydrate digestion begins in the mouth and continues on into the small intestines. Explain the steps of carbohydrate digestion, including in your discussion why salivary amylase is nonfunctional in the stomach?

Accepted Answer

Saliva contains salivary amylase, which ...

Question 10

Chyme is produced in the

Accepted Answer

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

Question 11

Which of the following is NOT a function of bile salts?

Accepted Answer

A)   act as emulsifiers
B)   needed for fat digestion
C)   aid the enzyme lipase in the digestion of fat molecules
D)   production of vitamin DE) All of the above
F) None of the above

Question 12

The function of the human stomach is

Accepted Answer

A)   to produce highly basic fluids to kill most bacteria.
B)   to begin the absorption of most small food molecules, especially sugars and alcohol.
C)   storage of food and mixing with digestive fluids to continue chemical digestion.
D)   promotion of bacterial fermentation.
E)   absorption of iron to build hemoglobin for red blood cells.F) B) and D)
G) A) and E)

Question 13

Which of the following statements about the colon is NOT true?

Accepted Answer

A)   The colon is active in water absorption, removing about 95% of the water that enters it and returning it to the bloodstream.
B)   Insufficient absorption of water can result in diarrhea that may be life-threatening.
C)   Feces consists of about 25% water and 75% solids that are mainly bacteria from the intestinal tract.
D)   The last section of the colon is the rectum, which terminates in the anus.
E)   Cells in the walls of the large intestine absorb vitamin K that is produced by bacteria resident in the colon.F) B) and E)
G) A) and E) C

Question 14

Briefly describe the differences in the digestive tracts of animals with an incomplete and a complete gut.

Accepted Answer

An incomplete digestive tract has a sing...

Question 15

In the first step of starch digestion, starch is converted to _______, which is then digested to ________ by the enzyme maltase.

Accepted Answer

A)   glucose; maltose
B)   amino acids; proteins
C)   maltose; glucose
D)   fat; glycerol and 3 fatty acidsE) A) and B)
F) A) and C)

Question 16

Which digestive enzyme is produced in the pancreas and is responsible for the breakdown of protein into peptides?

Accepted Answer

A)   trypsin
B)   maltase
C)   peptidase
D)   pancreatic amylaseE) None of the above
F) A) and D) A

Question 17

Microvilli serve to

Accepted Answer

A)   absorb nutrients.
B)   secrete bile.
C)   produce antibodies.
D)   synthesize vitamins.E) A) and B)
F) A) and C)

Question 18

Food is prevented from entering the trachea by the

Accepted Answer

A)   pharynx.
B)   larynx.
C)   epiglottis.
D)   glottis.
E)   sphincter muscle.F) A) and B)
G) A) and C)

Question 19

Which of the following is the best example of a healthy and balanced meal?

Accepted Answer

A)   A turkey sandwich on whole grain bread, apple and 6 oz. of skim milk.
B)   Bacon, 2 eggs over easy and white toast.
C)   16 oz. sirloin steak, mash potatoes and gravy and corn on the cob with butter.
D)   A bowl of chili, topped with cheese and crackers.
E)   All of these meals are equally balanced and healthy.F) B) and C)
G) A) and E) A

Question 20

All of the following statements are true about squids EXCEPT

Accepted Answer

A)   squids are continuous feeders.
B)   the squid's tentacles seize its prey.
C)   the mouth has jaws that bite off pieces of prey with the help of a toothy radula.
D)   digestion occurs in the stomach and a cecum.
E)   squids are molluscs.F) A) and B)
G) All of the above

Exam 34: Digestive Systems and Nutrition

In the body, glucose is stored in the liver as

Correct Answer
verified

Diabetes mellitus, which is indicated by high levels of blood glucose that have spilled over into the urine, is decreasing among the citizens of the United States.

Correct Answer
verified

List, in order, the organs that food will go through as it starts in the mouth and comes out the anus.

Correct Answer
verified
Food will start in the mouth, swallowed ...
View Answer

If an individual was interested in eating a healthy breakfast that would provide them with energy for the entire day the breakfast should include which of the following foods?

Correct Answer
verified

Which represents the proper sequence of human teeth from the front to the back of the mouth?

Correct Answer
verified

Correct Answer
verified

An example of an animal with an incomplete gut is a

Correct Answer
verified

The structural features of the small intestine that enable the absorption of nutrients are the

Correct Answer
verified

Carbohydrate digestion begins in the mouth and continues on into the small intestines. Explain the steps of carbohydrate digestion, including in your discussion why salivary amylase is nonfunctional in the stomach?

Correct Answer
verified
Saliva contains salivary amylase, which ...
View Answer

Chyme is produced in the

Correct Answer
verified

Which of the following is NOT a function of bile salts?

Correct Answer
verified

The function of the human stomach is

Correct Answer
verified

Which of the following statements about the colon is NOT true?

Correct Answer
verified
C

Briefly describe the differences in the digestive tracts of animals with an incomplete and a complete gut.

Correct Answer
verified
An incomplete digestive tract has a sing...
View Answer

In the first step of starch digestion, starch is converted to _, which is then digested to __ by the enzyme maltase.

Correct Answer
verified

Which digestive enzyme is produced in the pancreas and is responsible for the breakdown of protein into peptides?

Correct Answer
verified
A

Microvilli serve to

Correct Answer
verified

Food is prevented from entering the trachea by the

Correct Answer
verified

Which of the following is the best example of a healthy and balanced meal?

Correct Answer
verified
A

All of the following statements are true about squids EXCEPT

Correct Answer
verified

Exam 34: Digestive Systems and Nutrition

In the body, glucose is stored in the liver as

Correct AnswerverifiedShow Answer

Diabetes mellitus, which is indicated by high levels of blood glucose that have spilled over into the urine, is decreasing among the citizens of the United States.

Correct AnswerverifiedShow Answer

List, in order, the organs that food will go through as it starts in the mouth and comes out the anus.

Correct AnswerverifiedFood will start in the mouth, swallowed ...View AnswerShow Answer

If an individual was interested in eating a healthy breakfast that would provide them with energy for the entire day the breakfast should include which of the following foods?

Correct AnswerverifiedShow Answer

Which represents the proper sequence of human teeth from the front to the back of the mouth?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

An example of an animal with an incomplete gut is a

Correct AnswerverifiedShow Answer

The structural features of the small intestine that enable the absorption of nutrients are the

Correct AnswerverifiedShow Answer

Carbohydrate digestion begins in the mouth and continues on into the small intestines. Explain the steps of carbohydrate digestion, including in your discussion why salivary amylase is nonfunctional in the stomach?

Correct AnswerverifiedSaliva contains salivary amylase, which ...View AnswerShow Answer

Chyme is produced in the

Correct AnswerverifiedShow Answer

Which of the following is NOT a function of bile salts?

Correct AnswerverifiedShow Answer

The function of the human stomach is

Correct AnswerverifiedShow Answer

Which of the following statements about the colon is NOT true?

Correct AnswerverifiedC

Briefly describe the differences in the digestive tracts of animals with an incomplete and a complete gut.

Correct AnswerverifiedAn incomplete digestive tract has a sing...View AnswerShow Answer

In the first step of starch digestion, starch is converted to _______, which is then digested to ________ by the enzyme maltase.

Correct AnswerverifiedShow Answer

Which digestive enzyme is produced in the pancreas and is responsible for the breakdown of protein into peptides?

Correct AnswerverifiedA

Microvilli serve to

Correct AnswerverifiedShow Answer

Food is prevented from entering the trachea by the

Correct AnswerverifiedShow Answer

Which of the following is the best example of a healthy and balanced meal?

Correct AnswerverifiedA

All of the following statements are true about squids EXCEPT

Correct AnswerverifiedShow Answer

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Correct Answer
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Food will start in the mouth, swallowed ...
View Answer

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verified
Saliva contains salivary amylase, which ...
View Answer

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C

Correct Answer
verified
An incomplete digestive tract has a sing...
View Answer

In the first step of starch digestion, starch is converted to _, which is then digested to __ by the enzyme maltase.

Correct Answer
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A

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A

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