Question 1

Compare a small animal that soaks up food from its external environment with an animal with a tube type digestive system.What is/are the major advantage(s) of having a tube?

Accepted Answer

A)  it isolates the food the organism ingests.
B)  it permits development of specialized enzymes and concentration of digestive juices in different regions.
C)  it permits more time for chemical action.
D)  additional physical cutting and grinding of the food bolus is made possible.
E)  All of the choices are advantages.F) B) and D)
G) A) and C)

Question 2

Blood is a rich food supply but it also readily clots.How does a mosquito or leech solve this problem?

Accepted Answer

Mosquitoes and leeches have evolved spec...

Question 3

Brown fat appears to be specialized for which function?

Accepted Answer

A)  the storage of carbohydrates.
B)  the storage of fatty acids.
C)  the storage of glycerol.
D)  the storage of glycogen.
E)  generation of heat.F) A) and E)
G) B) and D)

Question 4

Outline the process of digestion of proteins.

Accepted Answer

The process of protein digestion begins ...

Question 5

The release of secretin is stimulated by the action of

Accepted Answer

A)  the alkaline material in the duodenum.
B)  the bile.
C)  muscular contractions in the stomach.
D)  nerves to the duodenum.
E)  strong acid and food in the stomach and small intestine.F) B) and E)
G) C) and D)

Question 6

Discuss the possible relationship between fatty diets and the disease known as atherosclerosis.

Accepted Answer

Atherosclerosis is a condition character...

Question 7

Distinguish between the following: autotroph,phototroph,chemotroph,heterotroph.

Accepted Answer

Autotrophs are organisms that can produc...

Question 8

Food is prevented from entering the trachea by the

Accepted Answer

A)  pharynx.
B)  uvula.
C)  epiglottis.
D)  glottis.
E)  soft palate.F) A) and D)
G) A) and E)

Question 9

Examples of a suspension feeder and a deposit feeder would be,respectively,

Accepted Answer

A)  clams and fish.
B)  polychaete annelid and earthworms.
C)  earthworms and rotifers.
D)  basking sharks and rotifers.
E)  earthworms and clams.F) A) and B)
G) A) and D)

Question 10

The pancreatic juice contains two powerful proteases,trypsin and ____________.

Accepted Answer

The answer of The pancreatic juice contains two powerful proteases,trypsin...

Question 11

Describe one mechanism for regulating food intake.

Accepted Answer

One mechanism for regulating food intake...

Question 12

Which of the following digestive enzymes is incorrectly matched to its substrate?

Accepted Answer

A)  pepsin-protein.
B)  trypsin-nucleic acid.
C)  salivary amylase-starch.
D)  lipase-fat.
E)  rennin-milk.F) B) and E)
G) A) and E)

Question 13

The small plants and animals that drift in the ocean's current and provide food for many filter feeders are collectively called ____________.

Accepted Answer

The answer of The small plants and animals that drift...

Question 14

Nutrients that are needed for normal growth and maintenance and that must be supplied in the diet are called ____________.

Accepted Answer

The answer of Nutrients that are needed for normal growth...

Question 15

Saliva contains the enzyme ____________.

Accepted Answer

The answer of Saliva contains the enzyme ____________....

Question 16

CCK is

Accepted Answer

A)  a polypeptide hormone.
B)  very similar to gastrin.
C)  secreted by endocrine cells in the walls of the upper small intestine.
D)  secreted in response to fatty acids and amino acids in the duodenum.
E)  All of the choices are correct.F) C) and E)
G) A) and D)

Question 17

Vitamins are classified based on

Accepted Answer

A)  whether they affect carbohydrates or proteins.
B)  how much they are required.
C)  the amount of energy they contain.
D)  whether they are water or fat soluble.
E)  None of the choices is correct.F) B) and E)
G) A) and C)

Question 18

Which of these do the pancreatic enzymes digest?

Accepted Answer

A)  proteins.
B)  carbohydrates.
C)  lipids.
D)  All of the choices are correct.
E)  The pancreatic enzymes do not digest any of these molecules.F) All of the above
G) C) and D)

Question 19

Which of the following is an inward folding of the dorsal intestinal wall of an earthworm that enhances food absorption by increasing the surface area of the intestine?

Accepted Answer

A)  villi.
B)  cannula.
C)  pylorus.
D)  typhlosole.
E)  fistula.F) A) and E)
G) A) and D)

Question 20

The large intestine functions mainly in

Accepted Answer

A)  digestion of fats and proteins.
B)  digestion of carbohydrates.
C)  absorption of water and vitamin production.
D)  absorption of amino acids.
E)  All of the choices are correct.F) C) and D)
G) B) and E)

Exam 32: Digestion and Nutrition

Which of these do the pancreatic enzymes digest?

Correct AnswerverifiedShow Answer

Which of the following is an inward folding of the dorsal intestinal wall of an earthworm that enhances food absorption by increasing the surface area of the intestine?

Correct AnswerverifiedShow Answer

Blood is a rich food supply but it also readily clots.How does a mosquito or leech solve this problem?

Correct AnswerAnswered by ExamLex AIMosquitoes and leeches have evolved spec...View AnswerShow Answer

The release of secretin is stimulated by the action of

Correct AnswerverifiedShow Answer

Outline the process of digestion of proteins.

Correct AnswerAnswered by ExamLex AIThe process of protein digestion begins ...View AnswerShow Answer

The small plants and animals that drift in the ocean's current and provide food for many filter feeders are collectively called ____________.

Correct AnswerverifiedShow Answer

Brown fat appears to be specialized for which function?

Correct AnswerverifiedShow Answer

Nutrients that are needed for normal growth and maintenance and that must be supplied in the diet are called ____________.

Correct AnswerverifiedShow Answer

Vitamins are classified based on

Correct AnswerverifiedShow Answer

The large intestine functions mainly in

Correct AnswerverifiedShow Answer

Which of the following digestive enzymes is incorrectly matched to its substrate?

Correct AnswerverifiedShow Answer

Describe one mechanism for regulating food intake.

Correct AnswerAnswered by ExamLex AIOne mechanism for regulating food intake...View AnswerShow Answer

Discuss the possible relationship between fatty diets and the disease known as atherosclerosis.

Correct AnswerAnswered by ExamLex AIAtherosclerosis is a condition character...View AnswerShow Answer

Distinguish between the following: autotroph,phototroph,chemotroph,heterotroph.

Correct AnswerAnswered by ExamLex AIAutotrophs are organisms that can produc...View AnswerShow Answer

The pancreatic juice contains two powerful proteases,trypsin and ____________.

Correct AnswerverifiedShow Answer

Examples of a suspension feeder and a deposit feeder would be,respectively,

Correct AnswerverifiedShow Answer

Food is prevented from entering the trachea by the

Correct AnswerverifiedShow Answer

CCK is

Correct AnswerverifiedShow Answer

Compare a small animal that soaks up food from its external environment with an animal with a tube type digestive system.What is/are the major advantage(s) of having a tube?

Correct AnswerverifiedShow Answer

Saliva contains the enzyme ____________.

Correct AnswerverifiedShow Answer

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Answered by ExamLex AI
Mosquitoes and leeches have evolved spec...
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The process of protein digestion begins ...
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One mechanism for regulating food intake...
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Atherosclerosis is a condition character...
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Autotrophs are organisms that can produc...
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