Question 1

How does undernutrition impact the human body?

Accepted Answer

Once nutrient stores in the body are ful

Question 2

In the human diet, linoleic acid and linolenic acid are the only essential fatty acids.

Accepted Answer

A) True 
 B)False

Question 3

Which of these animals has a double digestive opening?

Accepted Answer

A)  coral 
B)  a flatworm 
C)  an earthworm 
D)  a hydra 
A)  coral 
B)  a flatworm 
C)  an earthworm 
D)  a hydra

Question 4

Which vitamin deficiency is correctly paired with the condition it causes?

Accepted Answer

A)  vitamin D deficiency: bone hardening 
B)  vitamin K deficiency: decreased blood clotting time 
C)  vitamin D deficiency: anemia 
D)  vitamin K deficiency: increased blood clotting time 
A)  vitamin D deficiency: bone hardening 
B)  vitamin K deficiency: decreased blood clotting time 
C)  vitamin D deficiency: anemia 
D)  vitamin K deficiency: increased blood clotting time

Question 5

Which part of a bird's digestive system contains sand and rocks to aid in mechanical digestion?

Accepted Answer

A)  the pharynx 
B)  the crop 
C)  the proventriculus 
D)  the gizzard 
A)  the pharynx 
B)  the crop 
C)  the proventriculus 
D)  the gizzard

Question 6

Which condition is caused by a deficiency of a fat-soluble vitamin?

Accepted Answer

A)  pellagra 
B)  beriberi 
C)  scurvy 
D)  rickets 
A)  pellagra 
B)  beriberi 
C)  scurvy 
D)  rickets

Question 7

Which enzyme is contained in human saliva?

Accepted Answer

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

Question 8

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

Question 9

Which mineral is deficient in a person who has a goiter?

Accepted Answer

A)  magnesium 
B)  iodine 
C)  zinc 
D)  manganese 
A)  magnesium 
B)  iodine 
C)  zinc 
D)  manganese

Question 10

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

Accepted Answer

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

Question 11

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 12

Which vitamin can humans synthesize?

Accepted Answer

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

Question 13

Which pair of structures, found in different organisms, both serve to increase the absorptive surfaces of the intestines?

Accepted Answer

A)  choanocytes and gastric ceca 
B)  proventriculus and villi 
C)  choanocytes and proventriculus 
D)  typhlosoles and villi 
A)  choanocytes and gastric ceca 
B)  proventriculus and villi 
C)  choanocytes and proventriculus 
D)  typhlosoles and villi

Question 14

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 15

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 16

What is the main function of the small intestine?

Accepted Answer

A)  to absorb water 
B)  to digest fats 
C)  to absorb nutrients 
D)  to kill bacteria 
A)  to absorb water 
B)  to digest fats 
C)  to absorb nutrients 
D)  to kill bacteria

Question 17

Which layer of the mammalian digestive tract directly contacts the lumen?

Accepted Answer

A)  the mucosa 
B)  the submucosa 
C)  the muscularis 
D)  the serosa 
A)  the mucosa 
B)  the submucosa 
C)  the muscularis 
D)  the serosa

Question 18

Which veins join together to form the hepatic portal vein?

Accepted Answer

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

Question 19

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 20

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

Exam 39: Animal Nutrition

How does undernutrition impact the human body?

In the human diet, linoleic acid and linolenic acid are the only essential fatty acids.

Which of these animals has a double digestive opening?

Which vitamin deficiency is correctly paired with the condition it causes?

Which part of a bird's digestive system contains sand and rocks to aid in mechanical digestion?

Which condition is caused by a deficiency of a fat-soluble vitamin?

Which enzyme is contained in human saliva?

Which of the following causes heartburn?

Which mineral is deficient in a person who has a goiter?

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

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

Which vitamin can humans synthesize?

Which pair of structures, found in different organisms, both serve to increase the absorptive surfaces of the intestines?

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

Which digestive structure stores concentrated bile?

What is the main function of the small intestine?

Which layer of the mammalian digestive tract directly contacts the lumen?

Which veins join together to form the hepatic portal vein?

Which digestive structures in humans secrete amylase?

Which enzyme is produced by the stomach?

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

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