Question 1

Respiratory acidosis results when __________ are produced more rapidly than they are removed.

Accepted Answer

A)  oxygen molecules 
B)  carbon dioxide molecules 
C)  chloride ions 
D)  hydrogen ions 
E)  carbonic anhydrase molecules 
A)  oxygen molecules 
B)  carbon dioxide molecules 
C)  chloride ions 
D)  hydrogen ions 
E)  carbonic anhydrase molecules

Question 2

Figure 46-4
Use the figure to answer the corresponding question(s).   Oxygen-hemoglobin dissociation curves at three different pH levels
-Which of the following statements would be true of Figure 46-4?

Accepted Answer

A)  Hemoglobin would be 50% saturated at a
  of 30 mm Hg at the highest pH. 
B)  Hemoglobin would be 50% saturated at a
  of 25 mm Hg at the lowest pH. 
C)  At a
  of 40 mm Hg, the hemoglobin for the pH 2 line would be 80% saturated. 
D)  At a lower pH, the oxygen dissociation curve is shifted to the right. 
E)  At a higher pH, the oxygen dissociation curve is shifted to the right. 
A)  Hemoglobin would be 50% saturated at a
  of 30 mm Hg at the highest pH. 
B)  Hemoglobin would be 50% saturated at a
  of 25 mm Hg at the lowest pH. 
C)  At a
  of 40 mm Hg, the hemoglobin for the pH 2 line would be 80% saturated. 
D)  At a lower pH, the oxygen dissociation curve is shifted to the right. 
E)  At a higher pH, the oxygen dissociation curve is shifted to the right.

Question 3

MATCHING
Match the part of the human respiratory system with its decription.
a.alveoli
e.nasal cavity
b.bronchiole
f.pharynx
c.bronchus
g.trachea
d.larynx
-This structure contains the vocal cords.

Accepted Answer

The answer of MATCHING
Match the part of the human respiratory...

Question 4

In the chloride shift, __________ move into RBCs to replace the __________ that move out.

Accepted Answer

A)  oxygen molecules; chloride ions 
B)  carbon dioxide molecules; chloride ions 
C)  bicarbonate ions; chloride ions 
D)  chloride ions; oxygen molecules 
E)  chloride ions; bicarbonate ions 
A)  oxygen molecules; chloride ions 
B)  carbon dioxide molecules; chloride ions 
C)  bicarbonate ions; chloride ions 
D)  chloride ions; oxygen molecules 
E)  chloride ions; bicarbonate ions

Question 5

As you are reading this question, the amount of air being moved with each ventilation is referred to as:

Accepted Answer

A)  your vital capacity. 
B)  your tidal volume. 
C)  your residual capacity. 
D)  the Bohr effect. 
E)  hyperventilation. 
A)  your vital capacity. 
B)  your tidal volume. 
C)  your residual capacity. 
D)  the Bohr effect. 
E)  hyperventilation.

Question 6

Arrange the structures through which air passes upon entering the body in the proper sequence. 1)
Alveolus
2)
Bronchus
3)
Larynx
4)
Bronchiole
5)
Pharynx
6)
Trachea

Accepted Answer

A)  5 $\rightarrow$ 3 $\rightarrow$6 $\rightarrow$ 2 $\rightarrow$ 4 $\rightarrow$ 1 
B)  3$\rightarrow$5 $\rightarrow$2 $\rightarrow$6 $\rightarrow$ 1$\rightarrow$ 4 
C)  2 $\rightarrow$ 4 $\rightarrow$ 3 $\rightarrow$ 5 $\rightarrow$6 $\rightarrow$ 1 
D)  3 $\rightarrow$6 $\rightarrow$ 5 $\rightarrow$ 2 $\rightarrow$ 4 $\rightarrow$ 1 
E)  5$\rightarrow$ 6 $\rightarrow$ 3 $\rightarrow$ 4 $\rightarrow$ 2 $\rightarrow$1 
A)  5 $\rightarrow$ 3 $\rightarrow$6 $\rightarrow$ 2 $\rightarrow$ 4 $\rightarrow$ 1 
B)  3$\rightarrow$5 $\rightarrow$2 $\rightarrow$6 $\rightarrow$ 1$\rightarrow$ 4 
C)  2 $\rightarrow$ 4 $\rightarrow$ 3 $\rightarrow$ 5 $\rightarrow$6 $\rightarrow$ 1 
D)  3 $\rightarrow$6 $\rightarrow$ 5 $\rightarrow$ 2 $\rightarrow$ 4 $\rightarrow$ 1 
E)  5$\rightarrow$ 6 $\rightarrow$ 3 $\rightarrow$ 4 $\rightarrow$ 2 $\rightarrow$1

Question 7

The countercurrent exchange system found in fish gills maximizes gas exchange efficiency by:

Accepted Answer

A)  producing rapid water flows across the gill surface. 
B)  allowing water and blood to come in direct contact to maximize oxygen exchange. 
C)  having the most oxygen-depleted blood come in contact with the most oxygen-rich water. 
D)  having the most oxygen-depleted blood come in contact with the most oxygen-depleted water. 
E)  decreasing the oxygen content of the blood leaving the gill filaments. 
A)  producing rapid water flows across the gill surface. 
B)  allowing water and blood to come in direct contact to maximize oxygen exchange. 
C)  having the most oxygen-depleted blood come in contact with the most oxygen-rich water. 
D)  having the most oxygen-depleted blood come in contact with the most oxygen-depleted water. 
E)  decreasing the oxygen content of the blood leaving the gill filaments.

Question 8

MATCHING
Match the part of the human respiratory system with its decription.
a.alveoli
e.nasal cavity
b.bronchiole
f.pharynx
c.bronchus
g.trachea
d.larynx
-Why is it more difficult to obtain sufficient oxygen at higher altitudes?

Accepted Answer

Concepts to Consider: Barometric pressur

Question 9

In fish, blood flows in a direction opposite to the flow of water over the gills in a process known as:

Accepted Answer

A)  concurrent exchange. 
B)  countercurrent exchange. 
C)  crosscurrent exchange. 
D)  exhalation. 
E)  diffusion. 
A)  concurrent exchange. 
B)  countercurrent exchange. 
C)  crosscurrent exchange. 
D)  exhalation. 
E)  diffusion.

Exam 46: Gas Exchange

Respiratory acidosis results when __________ are produced more rapidly than they are removed.

Figure 46-4 Use the figure to answer the corresponding question(s). Oxygen-hemoglobin dissociation curves at three different pH levels -Which of the following statements would be true of Figure 46-4?

MATCHING Match the part of the human respiratory system with its decription. a.alveoli e.nasal cavity b.bronchiole f.pharynx c.bronchus g.trachea d.larynx -This structure contains the vocal cords.

In the chloride shift, __________ move into RBCs to replace the __________ that move out.

As you are reading this question, the amount of air being moved with each ventilation is referred to as:

Arrange the structures through which air passes upon entering the body in the proper sequence. 1) Alveolus 2) Bronchus 3) Larynx 4) Bronchiole 5) Pharynx 6) Trachea

The countercurrent exchange system found in fish gills maximizes gas exchange efficiency by:

MATCHING Match the part of the human respiratory system with its decription. a.alveoli e.nasal cavity b.bronchiole f.pharynx c.bronchus g.trachea d.larynx -Why is it more difficult to obtain sufficient oxygen at higher altitudes?

In fish, blood flows in a direction opposite to the flow of water over the gills in a process known as:

A View of Life

Atoms and Molecules: the Chemical Basis of Life

The Chemistry of Life: Organic Compounds

Organization of the Cell

Biological Membranes

Cell Communication

Energy and Metabolism

How Cells Make Atp: Energy-Releasing Pathways

Photosynthesis: Capturing Light Energy

Chromosomes, Mitosis, and Meiosis

The Basic Principles of Heredity

Dna: the Carrier of Genetic Information

Gene Expression

Gene Regulation

Dna Technology and Genomics

Human Genetics and the Human Genome

Developmental Genetics

Introduction to Darwinian Evolution

Evolutionary Change in Populations

Speciation and Macroevolution

The Origin and Evolutionary History of Life

The Evolution of Primates

Understanding Diversity: Systematics

Viruses and Subviral Agents

Bacteria and Archaea

Protists

Seedless Plants

Seed Plants

The Fungi

An Introduction to Animal Diversity

Sponges, Cnidarians, Ctenophores, and Protostomes

The Deuterostomes

Plant Structure, Growth, and Development

Leaf Structure and Function

Stem Structure and Transport

Roots and Mineral Nutrition

Reproduction in Flowering Plants

Plant Developmental Responses to External and Internal Signals

Animal Structure and Function: an Introduction

Protection, Support, and Movement

Neural Signaling

Neural Regulation

Sensory Systems

Internal Transport

The Immune System: Internal Defense

Processing Food and Nutrition

Osmoregulation and Disposal of Metabolic Wastes

Endocrine Regulation

Reproduction

Animal Development

Animal Behavior

Introduction to Ecology: Population Ecology

Community Ecology

Ecosystems and the Biosphere

Ecology and the Geography of Life

Biological Diversity and Conservation Biology

Filters

In the chloride shift, move into RBCs to replace the that move out.