Question 1

Gills are unsuitable for animals living on land because

Accepted Answer

A)  the large external surface area of gills would allow dehydration of the animal. 
B)  air cannot diffuse across the gill surface. 
C)  there is no way to get air into the gills. 
D)  gills require high blood pressure. 
A)  the large external surface area of gills would allow dehydration of the animal. 
B)  air cannot diffuse across the gill surface. 
C)  there is no way to get air into the gills. 
D)  gills require high blood pressure.

Question 2

In a mammal, blood leaving the lungs goes to the

Accepted Answer

A)  heart. 
B)  limbs. 
C)  liver. 
D)  brain. 
A)  heart. 
B)  limbs. 
C)  liver. 
D)  brain.

Question 3

Which of the following is likely to have the lowest concentration of O2?

Accepted Answer

A)  warm salt water 
B)  cool salt water 
C)  cool fresh water 
D)  warm fresh water 
A)  warm salt water 
B)  cool salt water 
C)  cool fresh water 
D)  warm fresh water

Question 4

Which is a function of the nasal cavities in humans?

Accepted Answer

A)  secreting enzymes for digestion 
B)  warming inhaled air 
C)  secreting excess carbon dioxide into exhaled air 
D)  determining O2 content in inhaled air 
A)  secreting enzymes for digestion 
B)  warming inhaled air 
C)  secreting excess carbon dioxide into exhaled air 
D)  determining O2 content in inhaled air

Question 5

A waste product of cellular respiration is

Accepted Answer

A)  electrons. 
B)  hydrogen peroxide. 
C)  carbon dioxide. 
D)  glucose. 
A)  electrons. 
B)  hydrogen peroxide. 
C)  carbon dioxide. 
D)  glucose.

Question 6

Which part of the diagram shows alveoli?

Accepted Answer

A)  part A 
B)  part B 
C)  part C 
D)  part D 
A)  part A 
B)  part B 
C)  part C 
D)  part D

Question 7

Evolutionary adaptations for survival on land produced tetrapods, which later evolved into

Accepted Answer

A)  amphibians only. 
B)  amphibians, reptiles, and mammals. 
C)  reptiles only. 
D)  birds only. 
A)  amphibians only. 
B)  amphibians, reptiles, and mammals. 
C)  reptiles only. 
D)  birds only.

Question 8

When you hold your breath, which of the following blood gas changes leads initially to the urge to breathe again?

Accepted Answer

A)  rising oxygen concentration 
B)  rising carbon dioxide concentration 
C)  falling oxygen concentration 
D)  falling carbon dioxide concentration 
A)  rising oxygen concentration 
B)  rising carbon dioxide concentration 
C)  falling oxygen concentration 
D)  falling carbon dioxide concentration

Exam 22: Gas Exchange

Gills are unsuitable for animals living on land because

In a mammal, blood leaving the lungs goes to the

Which of the following is likely to have the lowest concentration of O2?

Which is a function of the nasal cavities in humans?

A waste product of cellular respiration is

Which part of the diagram shows alveoli?

Evolutionary adaptations for survival on land produced tetrapods, which later evolved into

When you hold your breath, which of the following blood gas changes leads initially to the urge to breathe again?

Biology: Exploring Life

The Chemical Basis of Life

The Molecules of Cells

A Tour of the Cell

The Working Cell

How Cells Harvest Chemical Energy

Photosynthesis: Using Light to Make Food

The Cellular Basis of Reproduction and Inheritance

Patterns of Inheritance

Molecular Biology of the Gene

How Genes Are Controlled

DNA Technology and Genomics

How Populations Evolve

The Origin of Species

Tracing Evolutionary History

Microbial Life: Prokaryotes and Protists

The Evolution of Plant and Fungal Diversity

The Evolution of Invertebrate Diversity

The Evolution of Vertebrate Diversity

Unifying Concepts of Animal Structure and Function

Nutrition and Digestion

Circulation

The Immune System

Control of Body Temperature and Water Balance

Hormones and the Endocrine System

Reproduction and Embryonic Development

Nervous Systems

The Senses

How Animals Move

Plant Structure, Growth, and Reproduction

Plant Nutrition and Transport

Control Systems in Plants

The Biosphere: an Introduction to Earths Diverse Environments

Behavioral Adaptations to the Environment

Population Ecology

Communities and Ecosystems

Conservation Biology

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