Question 1

The digestive system of an earthworm is more advanced than that of a flatworm.

Accepted Answer

A) True 
 B)False

Question 2

The digestion of starches begins in the ____.

Accepted Answer

A)  esophagus 
B)  large intestine 
C)  mouth 
D)  small intestine 
E)  stomach 
A)  esophagus 
B)  large intestine 
C)  mouth 
D)  small intestine 
E)  stomach

Question 3

The top priority for energy allocation in animals is ____.

Accepted Answer

A)  maintenance metabolism 
B)  growth 
C)  reproduction 
D)  storage 
E)  growth of sexually dimorphic features 
A)  maintenance metabolism 
B)  growth 
C)  reproduction 
D)  storage 
E)  growth of sexually dimorphic features

Question 4

What function does the presence of alkaline components in pancreatic juice serve?

Accepted Answer

A)  They create an optimum environment for digestion in the small intestine. 
B)  They neutralize the acidity of the stomach. 
C)  They stimulate peristalsis in the small intestine. 
D)  They create an optimum environment for digestion in the stomach. 
E)  They stimulate peristalsis in the stomach. 
A)  They create an optimum environment for digestion in the small intestine. 
B)  They neutralize the acidity of the stomach. 
C)  They stimulate peristalsis in the small intestine. 
D)  They create an optimum environment for digestion in the stomach. 
E)  They stimulate peristalsis in the stomach.

Question 5

The pancreas is located between the ____ and the ____.

Accepted Answer

A)  gallbladder; liver 
B)  liver; stomach 
C)  liver; small intestine 
D)  stomach; small intestine 
E)  stomach; liver 
A)  gallbladder; liver 
B)  liver; stomach 
C)  liver; small intestine 
D)  stomach; small intestine 
E)  stomach; liver

Question 6

Individuals with a vitamin ____ deficiency may develop ____.

Accepted Answer

A)  A; bone softening 
B)  D; night blindness 
C)  C; increased blood clotting time 
D)  E; neuromuscular problems 
E)  K; fatigue 
A)  A; bone softening 
B)  D; night blindness 
C)  C; increased blood clotting time 
D)  E; neuromuscular problems 
E)  K; fatigue

Question 7

Food is formed into a bolus in the ____.

Accepted Answer

A)  large intestine 
B)  liver 
C)  mouth 
D)  small intestine 
E)  stomach 
A)  large intestine 
B)  liver 
C)  mouth 
D)  small intestine 
E)  stomach

Question 8

When fat enters the duodenum, it stimulates release of ____.

Accepted Answer

A)  amylase 
B)  cholecystokinin 
C)  gastrin 
D)  secretin 
E)  trypsin 
A)  amylase 
B)  cholecystokinin 
C)  gastrin 
D)  secretin 
E)  trypsin

Question 9

Most peptic ulcers are caused by ____.

Accepted Answer

A)  antibiotics 
B)  bacteria 
C)  heartburn 
D)  lactose intolerance 
E)  malnutrition 
A)  antibiotics 
B)  bacteria 
C)  heartburn 
D)  lactose intolerance 
E)  malnutrition

Question 10

Place the five steps of digestion in most animals with a digestive tube in the proper order.

Accepted Answer

A)  absorption → enzymatic hydrolysis → mechanical processing → secretion of enzymes → elimination 
B)  absorption → mechanical processing → enzymatic hydrolysis → secretion of enzymes → elimination 
C)  mechanical processing → absorption → secretion of enzymes → enzymatic hydrolysis → elimination 
D)  mechanical processing → secretion of enzymes → enzymatic hydrolysis → absorption → elimination 
E)  mechanical processing → secretion of enzymes → absorption → enzymatic hydrolysis → elimination 
A)  absorption → enzymatic hydrolysis → mechanical processing → secretion of enzymes → elimination 
B)  absorption → mechanical processing → enzymatic hydrolysis → secretion of enzymes → elimination 
C)  mechanical processing → absorption → secretion of enzymes → enzymatic hydrolysis → elimination 
D)  mechanical processing → secretion of enzymes → enzymatic hydrolysis → absorption → elimination 
E)  mechanical processing → secretion of enzymes → absorption → enzymatic hydrolysis → elimination

Question 11

An example of an animal with a long digestive tract and molars with large, ridged surfaces is a ____.

Accepted Answer

A)  cat 
B)  deer 
C)  dog 
D)  shark 
E)  tiger 
A)  cat 
B)  deer 
C)  dog 
D)  shark 
E)  tiger

Question 12

The pH of stomach acids is usually ____or lower.

Accepted Answer

A)  2 
B)  4 
C)  7 
D)  10 
E)  12 
A)  2 
B)  4 
C)  7 
D)  10 
E)  12

Question 13

The ____ cells produce pepsinogen in the stomach.

Accepted Answer

A)  brush border cells 
B)  chief cells 
C)  choanocytes 
D)  parietal cells 
E)  villi 
A)  brush border cells 
B)  chief cells 
C)  choanocytes 
D)  parietal cells 
E)  villi

Question 14

Which group consumes animals?

Accepted Answer

A)  carnivores and herbivores 
B)  carnivores and omnivores 
C)  omnivores and herbivores 
D)  carnivores only 
E)  herbivores only 
A)  carnivores and herbivores 
B)  carnivores and omnivores 
C)  omnivores and herbivores 
D)  carnivores only 
E)  herbivores only

Question 15

The villi in the human small intestine helps to maximize nutrient absorption.

Accepted Answer

A) True 
 B)False

Question 16

Place the following digestive structures of an annelid in the proper order, beginning at the start of the digestive tract.

Accepted Answer

A)  mouth → esophagus → crop → gizzard → intestine → anus 
B)  mouth → esophagus → intestine → crop → gizzard → anus 
C)  mouth → esophagus → gizzard → crop → intestine → anus 
D)  mouth → esophagus → crop → intestine → gizzard → anus 
E)  mouth → esophagus → intestine → gizzard → crop → anus 
A)  mouth → esophagus → crop → gizzard → intestine → anus 
B)  mouth → esophagus → intestine → crop → gizzard → anus 
C)  mouth → esophagus → gizzard → crop → intestine → anus 
D)  mouth → esophagus → crop → intestine → gizzard → anus 
E)  mouth → esophagus → intestine → gizzard → crop → anus

Question 17

The anglerfish obtains food by ____.

Accepted Answer

A)  catching the fish with its appendages 
B)  emitting a scent into the water 
C)  swimming to the surface 
D)  inverting its stomach 
E)  luring the fish near its mouth 
A)  catching the fish with its appendages 
B)  emitting a scent into the water 
C)  swimming to the surface 
D)  inverting its stomach 
E)  luring the fish near its mouth

Question 18

The mosquito is often a vector of disease. How does this relate directly to its method of obtaining food?

Accepted Answer

The mosquito is classified as a fluid fe

Question 19

Humans are an example of ____.

Accepted Answer

A)  bulk feeders 
B)  deposit feeders 
C)  fluid feeders 
D)  suspension feeders 
E)  bulk and fluid feeders 
A)  bulk feeders 
B)  deposit feeders 
C)  fluid feeders 
D)  suspension feeders 
E)  bulk and fluid feeders

Question 20

The digestion of proteins in humans begins in the ____.

Accepted Answer

A)  large intestine 
B)  mouth 
C)  pancreas 
D)  small intestines 
E)  stomach 
A)  large intestine 
B)  mouth 
C)  pancreas 
D)  small intestines 
E)  stomach

Exam 47: Digestive Systems and Animal Nutrition

The digestive system of an earthworm is more advanced than that of a flatworm.

The digestion of starches begins in the ____.

The top priority for energy allocation in animals is ____.

What function does the presence of alkaline components in pancreatic juice serve?

The pancreas is located between the ____ and the ____.

Individuals with a vitamin ____ deficiency may develop ____.

Food is formed into a bolus in the ____.

When fat enters the duodenum, it stimulates release of ____.

Most peptic ulcers are caused by ____.

Place the five steps of digestion in most animals with a digestive tube in the proper order.

An example of an animal with a long digestive tract and molars with large, ridged surfaces is a ____.

The pH of stomach acids is usually ____or lower.

The ____ cells produce pepsinogen in the stomach.

Which group consumes animals?

The villi in the human small intestine helps to maximize nutrient absorption.

Place the following digestive structures of an annelid in the proper order, beginning at the start of the digestive tract.

The anglerfish obtains food by ____.

The mosquito is often a vector of disease. How does this relate directly to its method of obtaining food?

Humans are an example of ____.

The digestion of proteins in humans begins in the ____.

Introduction to Biological Concepts and Research

Life, Chemistry, and Water

Biological Molecules: the Carbon Compounds of Life

Cells

Membranes and Transport

Energy, Enzymes, and Biological Reactions

Cellular Respiration: Harvesting Chemical Energy

Photosynthesis

Cell Communication

Cell Division and Mitosis

Meiosis: the Cellular Basis of Sexual Reproduction

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Expression: From Dna to Protein

Regulation of Gene Expression

Bacterial and Viral Genetics

Dna Technology: Making and Using Genetically Altered Organisms, and Other Applications

Genomes and Proteomes

The Development of Evolutionary Thought

Microevolution: Genetic Changes Within Populations

Speciation

Paleobiology and Macroevolution

Systematic Biology: Phylogeny and Classification

The Origin of Life

Prokaryotes and Viruses

Protists

Seedless Plants

Seed Plants

Fungi

Animal Phylogeny, Acoelomates, and Protostomes

Deuterostomes: Vertebrates and Their Closest Relatives

The Plant Body

Transport in Plants

Plant Nutrition

Reproduction and Development in Flowering Plants

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Information Flow and the Neuron

Nervous Systems

Sensory Systems

The Endocrine System

Muscles, Bones, and Body Movements

The Circulatory System

Defenses Against Disease

Gas Exchange: the Respiratory System

Regulating the Internal Environment: Osmoregulation, Excretion, and Thermoregulation

Animal Reproduction

Animal Development

Ecology and the Biosphere

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Biodiversity and Conservation Biology

Animal Behavior

Filters

The pancreas is located between the and the .

Individuals with a vitamin deficiency may develop .