Question 1

Which statement describes suspension feeders?

Accepted Answer

A)  They may inject anticoagulants into a host to inhibit blood from clotting. 
B)  They may have long tongues to effectively extract nectar from plants. 
C)  They may have comblike plates called baleen. 
D)  They may have piercing mouth parts to obtain blood from a host. 
A)  They may inject anticoagulants into a host to inhibit blood from clotting. 
B)  They may have long tongues to effectively extract nectar from plants. 
C)  They may have comblike plates called baleen. 
D)  They may have piercing mouth parts to obtain blood from a host.

Question 2

Which statement describes an earthworm's digestive opening?

Accepted Answer

A)  It has two digestive openings and no typhlosoles. 
B)  It has two digestive openings and typhlosoles. 
C)  It has a single digestive opening and no typhlosoles. 
D)  It has a single digestive opening and typhlosoles. 
A)  It has two digestive openings and no typhlosoles. 
B)  It has two digestive openings and typhlosoles. 
C)  It has a single digestive opening and no typhlosoles. 
D)  It has a single digestive opening and typhlosoles.

Question 3

How many of the 13 essential vitamins are water soluble and how many are fat soluble?

Accepted Answer

A)  9 are water soluble, and 4 are fat soluble 
B)  8 are water soluble, and 5 are fat soluble 
C)  5 are water soluble, and 8 are fat soluble 
D)  4 are water soluble, and 9 are fat soluble 
A)  9 are water soluble, and 4 are fat soluble 
B)  8 are water soluble, and 5 are fat soluble 
C)  5 are water soluble, and 8 are fat soluble 
D)  4 are water soluble, and 9 are fat soluble

Question 4

Which of the following is an unusual characteristic of some herbivorous nudibranchs?

Accepted Answer

A)  They feed on plants. 
B)  They perform photosynthesis. 
C)  They are carnivorous. 
D)  They eat by absorption. 
A)  They feed on plants. 
B)  They perform photosynthesis. 
C)  They are carnivorous. 
D)  They eat by absorption.

Question 5

Use the list of terms to identify each lettered item in the diagram of the digestive system.  
-stomach

Accepted Answer

The answer of Use the list of terms to identify...

Question 6

In which digestive structure is food called bolus?

Accepted Answer

A)  in the liver 
B)  in the small intestine 
C)  in the large intestine 
D)  in the mouth 
A)  in the liver 
B)  in the small intestine 
C)  in the large intestine 
D)  in the mouth

Question 7

Which structure of the human digestive tract produces bile?

Accepted Answer

A)  the liver 
B)  the stomach 
C)  the gallbladder 
D)  the small intestine 
A)  the liver 
B)  the stomach 
C)  the gallbladder 
D)  the small intestine

Question 8

What is the purpose of the watery fluid secreted by the serosa of the human digestive tract?

Accepted Answer

A)  It kills bacteria. 
B)  It initiates peristalsis. 
C)  It reduces friction between nearby organs. 
D)  It emulsifies fats. 
A)  It kills bacteria. 
B)  It initiates peristalsis. 
C)  It reduces friction between nearby organs. 
D)  It emulsifies fats.

Question 9

What is the dual function of the gastrovascular cavity in a sea anemone?

Accepted Answer

A)  circulatory and respiratory 
B)  respiratory and reproductive 
C)  digestive and respiratory 
D)  digestive and circulatory 
A)  circulatory and respiratory 
B)  respiratory and reproductive 
C)  digestive and respiratory 
D)  digestive and circulatory

Question 10

Suppose that your diet does NOT contain any dark green vegetables, whole grains, yeast, or lean meats. Which vitamin might you be deficient in?

Accepted Answer

A)  vitamin B1 
B)  folic acid 
C)  vitamin B6 
D)  niacin 
A)  vitamin B1 
B)  folic acid 
C)  vitamin B6 
D)  niacin

Question 11

Which digestive structure in humans is active in both the digestion of food and the absorption of nutrients?

Accepted Answer

A)  the small intestine 
B)  the mouth 
C)  the liver 
D)  the pancreas 
A)  the small intestine 
B)  the mouth 
C)  the liver 
D)  the pancreas

Question 12

Which cells produce pepsinogen in the stomach?

Accepted Answer

A)  chief cells 
B)  choanocytes 
C)  villi 
D)  parietal cells 
A)  chief cells 
B)  choanocytes 
C)  villi 
D)  parietal cells

Question 13

The appendix is a vestigial structure. Which structure does it extend from?

Accepted Answer

A)  the rectum 
B)  the cecum 
C)  the stomach 
D)  the colon 
A)  the rectum 
B)  the cecum 
C)  the stomach 
D)  the colon

Question 14

Which structure in the bird's digestive tract is utilized for food storage?

Accepted Answer

A)  the esophagus 
B)  the crop 
C)  the mouth 
D)  the gizzard 
A)  the esophagus 
B)  the crop 
C)  the mouth 
D)  the gizzard

Question 15

Use the list of terms to identify each lettered item in the diagram of the digestive system.  
-small intestines

Accepted Answer

The answer of Use the list of terms to identify...

Question 16

What is a lysosome's role in intracellular digestion?

Accepted Answer

A)  enzymatic digestion 
B)  absorption 
C)  mechanical digestion 
D)  energy production 
A)  enzymatic digestion 
B)  absorption 
C)  mechanical digestion 
D)  energy production

Question 17

What type of feeders are humans?

Accepted Answer

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

Question 18

Match each digestive substance to the structure that produces it. A structure may be used more than onc
-bile

Accepted Answer

A) liver 
B) pancreas 
C) small intestine 
D) stomach 
A) liver 
B) pancreas 
C) small intestine 
D) stomach

Exam 39: Animal Nutrition

Which statement describes suspension feeders?

Which statement describes an earthworm's digestive opening?

How many of the 13 essential vitamins are water soluble and how many are fat soluble?

Which of the following is an unusual characteristic of some herbivorous nudibranchs?

Use the list of terms to identify each lettered item in the diagram of the digestive system. -stomach

In which digestive structure is food called bolus?

Which structure of the human digestive tract produces bile?

What is the purpose of the watery fluid secreted by the serosa of the human digestive tract?

What is the dual function of the gastrovascular cavity in a sea anemone?

Suppose that your diet does NOT contain any dark green vegetables, whole grains, yeast, or lean meats. Which vitamin might you be deficient in?

Which digestive structure in humans is active in both the digestion of food and the absorption of nutrients?

Which cells produce pepsinogen in the stomach?

The appendix is a vestigial structure. Which structure does it extend from?

Which structure in the bird's digestive tract is utilized for food storage?

Use the list of terms to identify each lettered item in the diagram of the digestive system. -small intestines

What is a lysosome's role in intracellular digestion?

What type of feeders are humans?

Match each digestive substance to the structure that produces it. A structure may be used more than onc -bile

Light and Life

The Cell: an Overview

Energy and Enzymes

Cell Membranes and Signaling

Cellular Respiration

Photosynthesis

Cell Cycles

Genetic Recombination

The Chromosomal Basis of Mendelian Inheritance

Genetic Linkage, Sex-Linkage, and Other Non-Mendelian Inheritance Mechanisms

DNA Structure, Replication, and Repair

Gene Structure Expression, and Mutation

Regulation of Gene Expression

Dna Technologies

Genomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Speciation and Macroevolution

Systematics and Phylogenetics: Revealing the Tree of Life

Humans and Evolution

Defining Life and Its Origins

Viruses, Viroids, and Prions: Infectious Biological Particles

Bacteria and Archaea

Protists

Fungi

Plants

Animals

Conservation of Biodiversity

Population Ecology

Species Interactions and Community Ecology

Ecosystems

Animal Behaviour

Organization of the Plant Body

Transport in Plants

Reproduction and Development in Flowering Plants

Plant Nutrition

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Gas Exchange: the Respiratory System

Internal Transport: the Circulatory System

Regulation of the Internal Environment: Water, Solutes, and Temperature

Control of Animal Processes: Endocrine Control

Animal Reproduction

Control of Animal Processes: Neural Control

Muscles, Skeletons, and Body Movements

Filters