Question 1

Dasypeltis scabra is one of the best studied species of egg-eating snakes. Which of its following characteristics would strongly suggest that it has a built-in egg-cracker?

Accepted Answer

A) pushing the egg against the rim of the bird's nest 
B) pushing the egg against ventral hypophyses 
C) pushing the egg out of the mouth 
D) pushing the egg against a ribbed trachea 
A) pushing the egg against the rim of the bird's nest 
B) pushing the egg against ventral hypophyses 
C) pushing the egg out of the mouth 
D) pushing the egg against a ribbed trachea

Question 2

Where does the digestion of proteins begin in humans?

Accepted Answer

A) in the stomach 
B) in the small intestines 
C) in the pancreas 
D) in the large intestine 
A) in the stomach 
B) in the small intestines 
C) in the pancreas 
D) in the large intestine

Question 3

Which of the following is the best feature that allows moray eels to be successful hunters?

Accepted Answer

A) Their ability to swallow items larger than their heads. 
B) Their ability to fit into small holes in spite of their large body. 
C) Their habit to ambush when they hunt. 
D) Their jaw arrangement. 
A) Their ability to swallow items larger than their heads. 
B) Their ability to fit into small holes in spite of their large body. 
C) Their habit to ambush when they hunt. 
D) Their jaw arrangement.

Question 4

Which digestive structure stores concentrated bile?

Accepted Answer

A) the gallbladder 
B) the stomach 
C) the pancreas 
D) the duodenum 
A) the gallbladder 
B) the stomach 
C) the pancreas 
D) the duodenum

Question 5

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 6

In which organ is food called chyme?

Accepted Answer

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

Question 7

The pyloric sphincter-the circular muscle that controls the entrance of food from the stomach to the small intestine-usually opens only slightly. What is the purpose of this?

Accepted Answer

Because the small intestine is small in

Question 8

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

Accepted Answer

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

Question 9

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 10

Suppose that a person is on a diet of primarily grains. Which two amino acids would such a diet likely be deficient in?

Accepted Answer

A) valine and lysine 
B) methionine and lysine 
C) isoleucine and lysine 
D) methionine and tryptophan 
A) valine and lysine 
B) methionine and lysine 
C) isoleucine and lysine 
D) methionine and tryptophan

Question 11

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 12

Which two structures of the human digestive tract can be classified as endocrine glands because they produce hormones?

Accepted Answer

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

Question 13

How does undernutrition impact the human body?

Accepted Answer

Once nutrient stores in the body are ful

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

Which enzyme is produced by the stomach?

Accepted Answer

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

Question 16

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 17

Which of the following is an example of a suspension feeder?

Accepted Answer

A) a whale 
B) a mosquito 
C) a snake 
D) a lamprey 
A) a whale 
B) a mosquito 
C) a snake 
D) a lamprey

Question 18

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 19

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

Accepted Answer

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

Question 20

Which of the following causes heartburn?

Accepted Answer

A) the pyloric sphincter remaining too tightly closed 
B) the gastroesophageal sphincter remaining a little open 
C) the pyloric sphincter remaining a little open 
D) the gastroesophageal sphincter remaining too tightly closed 
A) the pyloric sphincter remaining too tightly closed 
B) the gastroesophageal sphincter remaining a little open 
C) the pyloric sphincter remaining a little open 
D) the gastroesophageal sphincter remaining too tightly closed

Exam 48: Animal Nutrition

Dasypeltis scabra is one of the best studied species of egg-eating snakes. Which of its following characteristics would strongly suggest that it has a built-in egg-cracker?

Where does the digestion of proteins begin in humans?

Which of the following is the best feature that allows moray eels to be successful hunters?

Which digestive structure stores concentrated bile?

What is a lysosome's role in intracellular digestion?

In which organ is food called chyme?

The pyloric sphincter-the circular muscle that controls the entrance of food from the stomach to the small intestine-usually opens only slightly. What is the purpose of this?

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

Which statement describes suspension feeders?

Suppose that a person is on a diet of primarily grains. Which two amino acids would such a diet likely be deficient in?

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

Which two structures of the human digestive tract can be classified as endocrine glands because they produce hormones?

How does undernutrition impact the human body?

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

Which enzyme is produced by the stomach?

What type of feeders are humans?

Which of the following is an example of a suspension feeder?

Which statement describes an earthworm's digestive opening?

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

Which of the following causes heartburn?

Light and Life

The Cell: an Overview

Defining Life and Its Origins

Energy and Enzymes

Cell Membranes and Signalling

Cellular Respiration

Photosynthesis

Cell Cycles

Genetic Recombination

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Structure and Expression

Control of Gene Expression

Dna Technologies

Genomes and Proteomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Species and Macroevolution

Understanding the History of Life on Earth

Humans and Evolution

Bacteria and Archaea

Viruses, Viroids, and Prions: Infectious Biological Particles

Protists

Fungi

Plants

Diversity of Animals 1: Sponges, Radiata, Platyhelminthes, and Protostomes

Diversity of Animals 2: Deuterostomes: Vertebrates and Their Closest Relatives

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Conservation of Biodiversity

Putting Selection to Work

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

Transport in Animals: the Circulatory System

Reproduction in Animals

Animal Development

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Integration

Muscles, Skeletons, and Body Movements

Animal Behaviour

Gas Exchange: the Respiratory System

Regulating the Internal Environment

Defences Against Disease

Conservation and Evolutionary Physiology

Filters