Question 1

In which structure of the digestive tract does digestion of starches begin?

Accepted Answer

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

Question 2

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

Question 3

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 4

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 5

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

Accepted Answer

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

Question 6

Which sequence presents the digestive structures of an annelid in the proper order?

Accepted Answer

A) mouth, esophagus, crop, gizzard, intestine, anus 
B) mouth, esophagus, gizzard, crop, intestine, anus 
C) mouth, esophagus, intestine, gizzard, crop, anus 
D) mouth, esophagus, crop, intestine, gizzard, anus 
A) mouth, esophagus, crop, gizzard, intestine, anus 
B) mouth, esophagus, gizzard, crop, intestine, anus 
C) mouth, esophagus, intestine, gizzard, crop, anus 
D) mouth, esophagus, crop, intestine, gizzard, anus

Question 7

Which of the following is a water-soluble vitamin?

Accepted Answer

A) vitamin A 
B) vitamin C 
C) vitamin D 
D) vitamin K 
A) vitamin A 
B) vitamin C 
C) vitamin D 
D) vitamin K

Question 8

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 9

If you were an anglerfish, which of the following techniques would you use to capture your prey?

Accepted Answer

A) You would remain visible in dark water, then use the glowing lure on your head to attract the prey and finally expand your oral cavity and suck your prey. 
B) You would remain invisible in dark water, then use the glowing lure on your jaw to attract the prey and finally expand your oral cavity and suck your prey. 
C) You would remain invisible in dark water, then use the glowing lure on your head to attract the prey and finally expand your oral cavity and suck your prey. 
D) You would remain invisible in dark water, then use the glowing lure on your head to attract the prey and finally expand your whole body and suck your prey. 
A) You would remain visible in dark water, then use the glowing lure on your head to attract the prey and finally expand your oral cavity and suck your prey. 
B) You would remain invisible in dark water, then use the glowing lure on your jaw to attract the prey and finally expand your oral cavity and suck your prey. 
C) You would remain invisible in dark water, then use the glowing lure on your head to attract the prey and finally expand your oral cavity and suck your prey. 
D) You would remain invisible in dark water, then use the glowing lure on your head to attract the prey and finally expand your whole body and suck your prey.

Question 10

Which digestive structures in humans secrete amylase?

Accepted Answer

A) the pancreas, the liver, and the salivary glands 
B) the liver and the pancreas 
C) the pancreas and the salivary glands 
D) the liver and the gallbladder 
A) the pancreas, the liver, and the salivary glands 
B) the liver and the pancreas 
C) the pancreas and the salivary glands 
D) the liver and the gallbladder

Question 11

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

Accepted Answer

A) liver 
B) pancreas 
C) salivary glands 
D) stomach 
A) liver 
B) pancreas 
C) salivary glands 
D) stomach

Question 12

A bird cracks open the seed coat with its teeth before swallowing.

Accepted Answer

A) True 
 B)False

Question 13

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

Accepted Answer

A) True 
 B)False

Question 14

When fat enters the duodenum, which hormone is stimulated to be released?

Accepted Answer

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

Question 15

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 16

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

Accepted Answer

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

Question 17

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 18

What function is served by the presence of alkaline components in pancreatic juice?

Accepted Answer

A) It creates an optimum environment for digestion in the large intestine. 
B) It stimulates peristalsis in the large intestine. 
C) It neutralizes the acidity of stomach contents. 
D) It stimulates peristalsis in the small intestine. 
A) It creates an optimum environment for digestion in the large intestine. 
B) It stimulates peristalsis in the large intestine. 
C) It neutralizes the acidity of stomach contents. 
D) It stimulates peristalsis in the small intestine.

Question 19

Where does digestion of lipids in humans begin?

Accepted Answer

A) in the small intestine 
B) in the stomach 
C) in the pancreas 
D) in the mouth 
A) in the small intestine 
B) in the stomach 
C) in the pancreas 
D) in the mouth

Question 20

Which organ in the human digestive system contains an oblique layer of muscle as a part of its muscularis?

Accepted Answer

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

Exam 48: Animal Nutrition

In which structure of the digestive tract does digestion of starches begin?

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

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

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

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

Which sequence presents the digestive structures of an annelid in the proper order?

Which of the following is a water-soluble vitamin?

Which cells produce pepsinogen in the stomach?

If you were an anglerfish, which of the following techniques would you use to capture your prey?

Which digestive structures in humans secrete amylase?

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

A bird cracks open the seed coat with its teeth before swallowing.

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

When fat enters the duodenum, which hormone is stimulated to be released?

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

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

Which structure of the human digestive tract produces bile?

What function is served by the presence of alkaline components in pancreatic juice?

Where does digestion of lipids in humans begin?

Which organ in the human digestive system contains an oblique layer of muscle as a part of its muscularis?

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

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