Question 1

In humans,digestion of starches begins in the

Accepted Answer

A)  mouth.
B)  esophagus.
C)  stomach.
D)  duodenum.
E)  large intestine.F) B) and D)
G) B) and C)

Question 2

Food is prevented from entering the trachea by the

Accepted Answer

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

Question 3

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 D)
G) C) and D)

Question 4

Food mixes with gastric juices in the stomach to form a thick creamy mass called chyme.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following is NOT an accessory organ of digestion?

Accepted Answer

A)  pancreas
B)  salivary glands
C)  appendix
D)  gall bladderE) None of the above
F) B) and C) C

Question 6

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 C)
G) All of the above

Question 7

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 8

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) B) and E)

Question 9

Which foods contain the eight essential amino acids?

Accepted Answer

A)  chicken,beef and cheese
B)  potatoes,beans and fish
C)  fish,cheese and fruits
D)  butter,beef and chicken
E)  pork,fish and cornF) C) and D)
G) A) and E)

Question 10

_____ acts on proteins to produce peptides which are later broken down into _____ in the small intestine.

Accepted Answer

A)  Salivary amylase; amino acids
B)  Maltase; glucose
C)  Pepsin; amino acids
D)  Pepsin; fatty acidsE) A) and B)
F) A) and D)

Question 11

Which list of features is associated with the small intestine?

Accepted Answer

A)  duodenum,bile and villi
B)  duodenum,chyme and villi
C)  cecum,bile and lacteals
D)  lacteals,appendix and villiE) A) and C)
F) C) and D)

Question 12

What possible dietary complications could a person develop if they had their pancreas removed?

Accepted Answer

A)  They would not produce the pancreatic enzyme trypsin.This would prevent them from breaking down proteins into amino acids which could lead to complications in repairing muscle tissue.
B)  They would not produce the enzyme pancreatic amylase.This would prevent them from breaking down proteins into amino acids which could lead to complications in repairing muscle tissue.
C)  They would not produce the pancreatic enzyme trypsin.This would prevent them from breaking down carbohydrates into glucose which could lead to a decrease in the availability of energy in their body.
D)  There would be an overproduction of the enzyme trypsin.This would cause an increased rate of protein digestion that could result in the muscle cells being destroyed by the individuals own body.E) A) and D)
F) C) and D)

Question 13

Which of the following human digestive enzymes is NOT correctly matched to its substrate?

Accepted Answer

A)  pepsin - protein
B)  trypsin - nucleic acid
C)  salivary amylase - starch
D)  lipase - fat
E)  maltase - maltoseF) C) and E)
G) D) and E)

Question 14

The function of canine teeth in humans is

Accepted Answer

A)  crushing.
B)  grinding.
C)  shearing.
D)  biting.
E)  tearing.F) A) and E)
G) C) and E)

Question 15

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

Question 16

The small intestines receive

Accepted Answer

A)  bile from the liver and gall bladder.
B)  pancreatic juices from the pancreas.
C)  chyme from the stomach.
D)  All of the above are correct.
E)  None of these are correct.F) B) and C)
G) A) and E)

Question 17

In the body,glucose is stored in the liver as

Accepted Answer

A)  starch.
B)  protein.
C)  glycogen.
D)  fat.
E)  amino acids.F) None of the above
G) C) and D)

Question 18

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) None of the above
G) B) and C) C

Question 19

A ruminant is

Accepted Answer

A)  a carnivore with no extra digestive specializations.
B)  a carnivore with extra stomach separations.
C)  an omnivore with extra stomach separations.
D)  a herbivore with no extra digestive specializations.
E)  a herbivore with extra stomach separations.F) All of the above
G) B) and D)

Question 20

A diet that is lacking in certain minerals such as iron can lead to osteoporosis.

Accepted Answer

A) True 
 B)False  False

Exam 34: Digestive Systems and Nutrition

In humans,digestion of starches begins in the

Correct AnswerverifiedShow Answer

Food is prevented from entering the trachea by the

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Food mixes with gastric juices in the stomach to form a thick creamy mass called chyme.

Correct AnswerverifiedShow Answer

Which of the following is NOT an accessory organ of digestion?

Correct AnswerverifiedC

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

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

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 foods contain the eight essential amino acids?

Correct AnswerverifiedShow Answer

_____ acts on proteins to produce peptides which are later broken down into _____ in the small intestine.

Correct AnswerverifiedShow Answer

Which list of features is associated with the small intestine?

Correct AnswerverifiedShow Answer

What possible dietary complications could a person develop if they had their pancreas removed?

Correct AnswerverifiedShow Answer

Which of the following human digestive enzymes is NOT correctly matched to its substrate?

Correct AnswerverifiedShow Answer

The function of canine teeth in humans is

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The small intestines receive

Correct AnswerverifiedShow Answer

In the body,glucose is stored in the liver as

Correct AnswerverifiedShow Answer

The function of the human stomach is

Correct AnswerverifiedC

A ruminant is

Correct AnswerverifiedShow Answer

A diet that is lacking in certain minerals such as iron can lead to osteoporosis.

Correct AnswerverifiedFalse

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C

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_ acts on proteins to produce peptides which are later broken down into _ in the small intestine.

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C

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False