Question 1

One category of continuous feeders is __________,which continuously "strain" small food particles out of the water.

Accepted Answer

A)  suspension feeders
B)  deposit feeders
C)  planktivores
D)  sessile opportunists
E)  fluid feeders

Question 2

The __________ of birds develops from the caudal portion of the esophagus and is used to store food.

Accepted Answer

A)  gizzard
B)  liver
C)  omasum
D)  crop
E)  rumen

Question 3

Some of the gastric glands in the stomach lining contain __________ cells that secrete pepsinogen.

Accepted Answer

A)  chief
B)  mucous
C)  parietal
D)  beta
E)  alpha

Question 4

Fingerlike projections called __________ greatly increase the absorptive surface of the small intestine.

Accepted Answer

A)  villi
B)  rugae
C)  appendices
D)  ceca
E)  chylomicrons

Question 5

Which of the organisms listed below has a crop?

Accepted Answer

A)  nematode
B)  Hydra
C)  planarian
D)  tiger
E)  grasshopper

Question 6

Lipoproteins,cholesterol,and phospholipids are formed in the

Accepted Answer

A)  pancreas.
B)  duodenum.
C)  lymph nodes.
D)  liver.
E)  stomach.

Question 7

Some of the gastric glands in the stomach lining contain __________ cells that secrete a solution containing HCI.

Accepted Answer

A)  chief
B)  mucous
C)  alpha
D)  beta
E)  parietal

Question 8

Lipid aggregates with a surface coat of bile salts are called

Accepted Answer

A)  chylomicrons.
B)  bilirubins.
C)  mucins.
D)  cholesterol.
E)  micelles.

Question 9

Digestion in molluscs consists of three cycles: feeding,extracellular digestion,and intracellular digestion.

Accepted Answer

A) True 
 B)False

Question 10

An example of a relatively continuous feeder would be a

Accepted Answer

A)  fish.
B)  barnacle.
C)  bat.
D)  whale.
E)  elephant.

Question 11

With respect to their feeding habits,rabbits are primarily

Accepted Answer

A)  omnivores.
B)  insectivores.
C)  carnivores.
D)  herbivores.
E)  sanguinivores.

Question 12

A substance called __________ coats the stomach lining and protects it from the action of HCI and digestive enzymes.

Accepted Answer

A)  pepsin
B)  mucus
C)  flatus
D)  gastrin
E)  chyme

Question 13

Pancreatic __________ converts polysaccharides into disaccharides and monosaccharides.

Accepted Answer

A)  trypsin
B)  pepsin
C)  lipase
D)  amylase
E)  lactase

Question 14

In the stomach of a mammal,food is mixed with the gastric enzymes pepsin,and pepsinogen,as well as

Accepted Answer

A)  gastric amylase.
B)  hydrogen sulfide.
C)  gastric lipase.
D)  hydrochloric acid.
E)  sodium oxide.

Question 15

Which of the following does NOT have a complete digestive tract?

Accepted Answer

A)  grasshopper
B)  human
C)  lamprey
D)  planarian
E)  nematode

Question 16

Which of the following does not apply to omnivore teeth?

Accepted Answer

A)  Tearing
B)  Ripping
C)  Chiseling
D)  Grinding
E)  They slope backwards.

Question 17

The major dietary sources of energy for most heterotrophs are

Accepted Answer

A)  proteins.
B)  amino acids.
C)  complex carbohydrates.
D)  lipids.
E)  fatty acids.

Question 18

Which of the following is NOT a water soluble vitamin?

Accepted Answer

A)  thiamine (B1) 
B)  riboflavin (B2) 
C)  pantothenic acid
D)  vitamin A
E)  biotin

Question 19

Carbohydrates,fats,and proteins are categorized as __________ for heterotrophs.

Accepted Answer

A)  macronutrients
B)  inorganic nutrients
C)  micronutrients
D)  basic foodstuffs
E)  supplemental foodstuffs

Question 20

The vertebrate liver secretes __________ which emulsifies dietary fat.

Accepted Answer

A)  amylase
B)  lipase
C)  HCl
D)  bile salts
E)  secretin

Exam 27: Nutrition and Digestion

The major dietary sources of energy for most heterotrophs are

Correct AnswerverifiedShow Answer

Lipid aggregates with a surface coat of bile salts are called

Correct AnswerverifiedShow Answer

Which of the following does NOT have a complete digestive tract?

Correct AnswerverifiedShow Answer

Digestion in molluscs consists of three cycles: feeding,extracellular digestion,and intracellular digestion.

Correct AnswerverifiedShow Answer

Some of the gastric glands in the stomach lining contain __________ cells that secrete a solution containing HCI.

Correct AnswerverifiedShow Answer

Which of the following is NOT a water soluble vitamin?

Correct AnswerverifiedShow Answer

A substance called __________ coats the stomach lining and protects it from the action of HCI and digestive enzymes.

Correct AnswerverifiedShow Answer

The vertebrate liver secretes __________ which emulsifies dietary fat.

Correct AnswerverifiedShow Answer

Which of the organisms listed below has a crop?

Correct AnswerverifiedShow Answer

With respect to their feeding habits,rabbits are primarily

Correct AnswerverifiedShow Answer

One category of continuous feeders is __________,which continuously "strain" small food particles out of the water.

Correct AnswerverifiedShow Answer

Pancreatic __________ converts polysaccharides into disaccharides and monosaccharides.

Correct AnswerverifiedShow Answer

Fingerlike projections called __________ greatly increase the absorptive surface of the small intestine.

Correct AnswerverifiedShow Answer

The __________ of birds develops from the caudal portion of the esophagus and is used to store food.

Correct AnswerverifiedShow Answer

An example of a relatively continuous feeder would be a

Correct AnswerverifiedShow Answer

In the stomach of a mammal,food is mixed with the gastric enzymes pepsin,and pepsinogen,as well as

Correct AnswerverifiedShow Answer

Lipoproteins,cholesterol,and phospholipids are formed in the

Correct AnswerverifiedShow Answer

Carbohydrates,fats,and proteins are categorized as __________ for heterotrophs.

Correct AnswerverifiedShow Answer

Which of the following does not apply to omnivore teeth?

Correct AnswerverifiedShow Answer

Some of the gastric glands in the stomach lining contain __________ cells that secrete pepsinogen.

Correct AnswerverifiedShow Answer

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