Question 1

Spadefoot toads show phenotypic plasticity for what digestive trait?

Accepted Answer

A)   intestine length
B)   liver weight
C)   stomach size
D)   sphincter tightness
E)   number of teethF) B) and C)
G) B) and E)

Question 2

The energy needed to raise 1 kilogram of water from 14.5oC 15.5oC under controlled conditions is

Accepted Answer

A)   1 kilocalorie.
B)   1 calorie.
C)   1 joule.
D)   1 erg.
E)   1 gram.F) A) and E)
G) A) and D)

Question 3

An ectotherm with a complete digestive tract might eat infrequently,eliminating from a different place from the one where it ingested.

Accepted Answer

A) True 
 B)False

Question 4

Teeth are mineralized structures for holding and breaking up food.

Accepted Answer

A) True 
 B)False

Question 5

The muscular tube leading from the pharynx to the stomach is the

Accepted Answer

A)   larynx.
B)   trachea.
C)   esophagus.
D)   glottis.
E)   bronchus.F) C) and D)
G) B) and D)

Question 6

You are given a newly discovered organism and are asked to help classify it.You note only one opening to the digestive tract,and microscopic examination shows it to be multicellular and lacking chloroplasts.You therefore call it

Accepted Answer

A)   heterotrophic, with an incomplete digestive tract.
B)   autotrophi, with an incomplete digestive tract
C)   heterotrophic, with a complete digestive tract.
D)   heterotrophic, with a complete digestive tract
E)   None of the answer choices are correct.F) C) and D)
G) B) and D)

Question 7

If you observed a group of animals for several weeks and only saw them eat dead and decaying matter,you would call them

Accepted Answer

A)   omnivores.
B)   carnivores.
C)   detritivores.
D)   herbivores.
E)   insectivores.F) B) and D)
G) A) and B)

Question 8

In herbivores,the cecum is small because the food they ingest is easily digested.

Accepted Answer

A) True 
 B)False

Question 9

If you wanted to treat a patient who could not digest fats due to a metabolic mutation,you might want to find a way to enhance their digestive tract with

Accepted Answer

A)   lactase.
B)   amylase.
C)   pepsin.
D)   lipase.
E)   bile.F) A) and B)
G) D) and E)

Question 10

If the side effect of a drug was to disrupt homeostasis of vitamin C,leading to its premature breakdown and insufficent concentration,scurvy could result.

Accepted Answer

A) True 
 B)False

Question 11

Animals that hunt and eat essentially only other animals are

Accepted Answer

A)   omnivores.
B)   carnivores.
C)   herbivores.
D)   detritivores.
E)   folivores.F) A) and E)
G) D) and E)

Question 12

Animals that eat only plants are

Accepted Answer

A)   omnivores.
B)   herbivores.
C)   carnivores.
D)   detritivores.
E)   insectivores.F) C) and D)
G) B) and E)

Question 13

Morbid obesity is defined as having a BMI (body mass index) of at least

Accepted Answer

A)   10-15.
B)   40.
C)   20.
D)   25.
E)   30.F) A) and E)
G) All of the above

Question 14

Which organ or structure helps with digestion without being part of the human alimentary canal?

Accepted Answer

A)   esophagus
B)   mouth
C)   liver
D)   stomach
E)   small intestineF) A) and E)
G) B) and E)

Question 15

The pyloric sphincter lies between the small intestine and large intestine,thereby controlling the movement of food into the large intestine.

Accepted Answer

A) True 
 B)False

Question 16

If you saw a child with bent,bowed legs,what disease would you suspect the child had?

Accepted Answer

A)   rickets
B)   scurvy
C)   beriberi
D)   pellagra
E)   anemiaF) A) and B)
G) C) and D)

Question 17

Larger animals generally need more energy and building blocks than do smaller animals.

Accepted Answer

A) True 
 B)False

Question 18

If you were to use a drug to paralyze jaw muscles,what would happen to digestion?

Accepted Answer

A)   Mechanical digestion would be inhibited since the jaws could not drive the breakdown of food by teeth.
B)   The secretion of amylase would be inhbited since muscles could not work.
C)   Peristalsis would stop.
D)   Lipase would not be added to food.
E)   None of the answer choices are correct.F) C) and D)
G) A) and E)

Question 19

The semifluid mass of food and gastric juice in the human stomach is termed

Accepted Answer

A)   feces.
B)   chyme.
C)   glottis.
D)   cud.
E)   mash.F) A) and B)
G) B) and E)

Question 20

If your professor told you that next class would include a display of a cage of live animals which ate both plant and animal material,you would expect to see a cage full of

Accepted Answer

A)   carnivores.
B)   herbivores.
C)   detritivores.
D)   omnivores.
E)   insectivores.F) B) and C)
G) A) and B)

Exam 32: Digestion and Nutrition

Which organ or structure helps with digestion without being part of the human alimentary canal?

Correct AnswerverifiedShow Answer

Animals that eat only plants are

Correct AnswerverifiedShow Answer

The semifluid mass of food and gastric juice in the human stomach is termed

Correct AnswerverifiedShow Answer

If you were to use a drug to paralyze jaw muscles,what would happen to digestion?

Correct AnswerverifiedShow Answer

In herbivores,the cecum is small because the food they ingest is easily digested.

Correct AnswerverifiedShow Answer

Spadefoot toads show phenotypic plasticity for what digestive trait?

Correct AnswerverifiedShow Answer

If your professor told you that next class would include a display of a cage of live animals which ate both plant and animal material,you would expect to see a cage full of

Correct AnswerverifiedShow Answer

You are given a newly discovered organism and are asked to help classify it.You note only one opening to the digestive tract,and microscopic examination shows it to be multicellular and lacking chloroplasts.You therefore call it

Correct AnswerverifiedShow Answer

If the side effect of a drug was to disrupt homeostasis of vitamin C,leading to its premature breakdown and insufficent concentration,scurvy could result.

Correct AnswerverifiedShow Answer

Morbid obesity is defined as having a BMI (body mass index) of at least

Correct AnswerverifiedShow Answer

If you observed a group of animals for several weeks and only saw them eat dead and decaying matter,you would call them

Correct AnswerverifiedShow Answer

If you saw a child with bent,bowed legs,what disease would you suspect the child had?

Correct AnswerverifiedShow Answer

The pyloric sphincter lies between the small intestine and large intestine,thereby controlling the movement of food into the large intestine.

Correct AnswerverifiedShow Answer

If you wanted to treat a patient who could not digest fats due to a metabolic mutation,you might want to find a way to enhance their digestive tract with

Correct AnswerverifiedShow Answer

The muscular tube leading from the pharynx to the stomach is the

Correct AnswerverifiedShow Answer

An ectotherm with a complete digestive tract might eat infrequently,eliminating from a different place from the one where it ingested.

Correct AnswerverifiedShow Answer

Animals that hunt and eat essentially only other animals are

Correct AnswerverifiedShow Answer

Larger animals generally need more energy and building blocks than do smaller animals.

Correct AnswerverifiedShow Answer

The energy needed to raise 1 kilogram of water from 14.5oC 15.5oC under controlled conditions is

Correct AnswerverifiedShow Answer

Teeth are mineralized structures for holding and breaking up food.

Correct AnswerverifiedShow Answer

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The energy needed to raise 1 kilogram of water from 14.5^oC 15.5^oC under controlled conditions is

Correct Answer
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