Question 1

The pH of blood is usually maintained at about

Accepted Answer

A)  5.2. 
B)  6.4. 
C)  6.8. 
D)  7.4. 
E)  8.6. 
A)  5.2. 
B)  6.4. 
C)  6.8. 
D)  7.4. 
E)  8.6. D

Question 2

What drives the movement of oxygen from the alveoli into the bloodstream?

Accepted Answer

A)  active transport against a concentration gradient 
B)  facilitated diffusion down a concentration gradient 
C)  facilitated diffusion against a concentration gradient 
D)  diffusion down a concentration gradient 
E)  the heart pumping the oxygen into the bloodstream 
A)  active transport against a concentration gradient 
B)  facilitated diffusion down a concentration gradient 
C)  facilitated diffusion against a concentration gradient 
D)  diffusion down a concentration gradient 
E)  the heart pumping the oxygen into the bloodstream D

Question 3

What drives the movement of carbon dioxide from tissue into the bloodstream?

Accepted Answer

A)  active transport against a concentration gradient 
B)  facilitated diffusion down a concentration gradient 
C)  diffusion down a concentration gradient 
D)  facilitated diffusion against a concentration gradient 
E)  the heart pumping the carbon dioxide into the bloodstream 
A)  active transport against a concentration gradient 
B)  facilitated diffusion down a concentration gradient 
C)  diffusion down a concentration gradient 
D)  facilitated diffusion against a concentration gradient 
E)  the heart pumping the carbon dioxide into the bloodstream C

Question 4

The scientific name of the "windpipe" is the

Accepted Answer

A)  larynx. 
B)  pharynx. 
C)  vocal cords. 
D)  esophagus. 
E)  trachea. 
A)  larynx. 
B)  pharynx. 
C)  vocal cords. 
D)  esophagus. 
E)  trachea.

Question 5

The anatomical arrangement in which two adjacent currents flow in opposite directions and exchange materials with each other is found in the respiratory systems of which of the following?

Accepted Answer

A)  mammals 
B)  birds 
C)  fish 
D)  worms 
E)  sea anemones 
A)  mammals 
B)  birds 
C)  fish 
D)  worms 
E)  sea anemones

Question 6

If you were asked to clean up after a lab on respiration and needed to sort models into appropriate bins,you would place into the bin marked "Aquatic Organisms" those models having

Accepted Answer

A)  spicules. 
B)  alveoli. 
C)  tracheae. 
D)  gills. 
E)  spiracles. 
A)  spicules. 
B)  alveoli. 
C)  tracheae. 
D)  gills. 
E)  spiracles.

Question 7

Aerobic respiration consumes ____________ gas and generates ___________________ gas as a waste product.

Accepted Answer

A)  oxygen; carbon dioxide 
B)  nitrogen; carbon dioxide 
C)  carbon dioxide; nitrogen 
D)  oxygen; nitrogen 
E)  carbon dioxide; oxygen 
A)  oxygen; carbon dioxide 
B)  nitrogen; carbon dioxide 
C)  carbon dioxide; nitrogen 
D)  oxygen; nitrogen 
E)  carbon dioxide; oxygen

Question 8

The openings in the exoskeleton of arthropods that allow oxygen into highly branched internal tubules that reach individual body cells are

Accepted Answer

A)  spicules. 
B)  alveoli. 
C)  tracheae. 
D)  spiracles. 
E)  gills. 
A)  spicules. 
B)  alveoli. 
C)  tracheae. 
D)  spiracles. 
E)  gills.

Question 9

The protein that carries oxygen in the red blood cells is

Accepted Answer

A)  myoglobin. 
B)  hemoglobin. 
C)  actin. 
D)  iron. 
E)  insulin. 
A)  myoglobin. 
B)  hemoglobin. 
C)  actin. 
D)  iron. 
E)  insulin.

Question 10

Which main tissue type of the circulatory system regulates airflow to alveoli?

Accepted Answer

A)  connective 
B)  epithelial 
C)  muscle 
D)  nervous 
E)  vascular 
A)  connective 
B)  epithelial 
C)  muscle 
D)  nervous 
E)  vascular

Question 11

One of the main reasons that we exhale a higher percentage of carbon dioxide than we inhale is,

Accepted Answer

A)  we use carbon dioxide to make glucose. 
B)  we produce carbon dioxide as a by-product of aerobic respiration. 
C)  we produce carbon dioxide as a by-product of transmission of nerve impulses across synapses. 
D)  carbon dioxide is a by-product of photosynthesis. 
E)  carbon dioxide dissolves better in blood than does oxygen. 
A)  we use carbon dioxide to make glucose. 
B)  we produce carbon dioxide as a by-product of aerobic respiration. 
C)  we produce carbon dioxide as a by-product of transmission of nerve impulses across synapses. 
D)  carbon dioxide is a by-product of photosynthesis. 
E)  carbon dioxide dissolves better in blood than does oxygen.

Question 12

If you were designing a new insecticide absorbed via the respiratory system,and you were studying a fluorescently labelled version of the arthropod killing chemical in it,you would first look for the label in the

Accepted Answer

A)  spicules. 
B)  tracheae. 
C)  alveoli. 
D)  spiracles. 
E)  gills. 
A)  spicules. 
B)  tracheae. 
C)  alveoli. 
D)  spiracles. 
E)  gills.

Question 13

Which function is perfomed by another system working with the respiratory system,rather than by the respiratory system itself?

Accepted Answer

A)  olfaction 
B)  gas exchange between the lungs and the atmosphere 
C)  production of sounds 
D)  transport of oxygen to the cells of the body 
E)  maintaining blood pH homeostasis 
A)  olfaction 
B)  gas exchange between the lungs and the atmosphere 
C)  production of sounds 
D)  transport of oxygen to the cells of the body 
E)  maintaining blood pH homeostasis

Question 14

Hemoglobin has a greater affinity for carbon monoxide than oxygen.Which of the following would you predict to be a symptom of carbon monoxide poisoning?

Accepted Answer

A)  hyperactivity 
B)  increased blood pH 
C)  decreased exhalation of oxygen 
D)  increased heart rate 
E)  decreased ATP production 
A)  hyperactivity 
B)  increased blood pH 
C)  decreased exhalation of oxygen 
D)  increased heart rate 
E)  decreased ATP production

Question 15

An increase to 0.5% carbon dioxide in the air (from the normal 0.03%)makes us breathe 10 times faster.Which alteration in homeostatic conditions in the blood would limit how long you can hold your breath?

Accepted Answer

A)  Lack of carbon dioxide raises the pH. 
B)  Lack of oxygen raises the pH. 
C)  Buildup of carbon dioxide lowers the pH. 
D)  Buildup of oxygen lowers the pH. 
E)  Buildup of nitrogen raises the pH. 
A)  Lack of carbon dioxide raises the pH. 
B)  Lack of oxygen raises the pH. 
C)  Buildup of carbon dioxide lowers the pH. 
D)  Buildup of oxygen lowers the pH. 
E)  Buildup of nitrogen raises the pH.

Question 16

Which respiratory disease can be caused by a bacterial infection?

Accepted Answer

A)  the common cold 
B)  asthma 
C)  lung cancer 
D)  tuberculosis 
E)  None of the answer choices are correct. 
A)  the common cold 
B)  asthma 
C)  lung cancer 
D)  tuberculosis 
E)  None of the answer choices are correct.

Question 17

Figuer:  
-What is the dependent variable in this figure?

Accepted Answer

A)  time 
B)  partial pressure of oxygen in the tracheae 
C)  external concentration of oxygen 
D)  number of moth pupae 
E)  size of each moth pupa 
A)  time 
B)  partial pressure of oxygen in the tracheae 
C)  external concentration of oxygen 
D)  number of moth pupae 
E)  size of each moth pupa

Question 18

In mammals,the contraction of the muscular _______________ expands the chest,pulling air into the lungs.

Accepted Answer

A)  chest cavity 
B)  rib cage 
C)  trachea 
D)  diaphragm 
E)  sternum 
A)  chest cavity 
B)  rib cage 
C)  trachea 
D)  diaphragm 
E)  sternum

Question 19

Which main tissue type of the circulatory system enables diffusion across walls of capillaries?

Accepted Answer

A)  connective 
B)  nervous 
C)  muscle 
D)  vascular 
E)  epithelial 
A)  connective 
B)  nervous 
C)  muscle 
D)  vascular 
E)  epithelial

Question 20

Olfaction is the sense of

Accepted Answer

A)  smell. 
B)  hearing. 
C)  taste. 
D)  vision. 
E)  touch. 
A)  smell. 
B)  hearing. 
C)  taste. 
D)  vision. 
E)  touch.

Exam 31: The Respiratory System

The pH of blood is usually maintained at about

What drives the movement of oxygen from the alveoli into the bloodstream?

What drives the movement of carbon dioxide from tissue into the bloodstream?

The scientific name of the "windpipe" is the

The anatomical arrangement in which two adjacent currents flow in opposite directions and exchange materials with each other is found in the respiratory systems of which of the following?

If you were asked to clean up after a lab on respiration and needed to sort models into appropriate bins,you would place into the bin marked "Aquatic Organisms" those models having

Aerobic respiration consumes ____________ gas and generates ___________________ gas as a waste product.

The openings in the exoskeleton of arthropods that allow oxygen into highly branched internal tubules that reach individual body cells are

The protein that carries oxygen in the red blood cells is

Which main tissue type of the circulatory system regulates airflow to alveoli?

One of the main reasons that we exhale a higher percentage of carbon dioxide than we inhale is,

If you were designing a new insecticide absorbed via the respiratory system,and you were studying a fluorescently labelled version of the arthropod killing chemical in it,you would first look for the label in the

Which function is perfomed by another system working with the respiratory system,rather than by the respiratory system itself?

Hemoglobin has a greater affinity for carbon monoxide than oxygen.Which of the following would you predict to be a symptom of carbon monoxide poisoning?

An increase to 0.5% carbon dioxide in the air (from the normal 0.03%)makes us breathe 10 times faster.Which alteration in homeostatic conditions in the blood would limit how long you can hold your breath?

Which respiratory disease can be caused by a bacterial infection?

Figuer: -What is the dependent variable in this figure?

In mammals,the contraction of the muscular _______________ expands the chest,pulling air into the lungs.

Which main tissue type of the circulatory system enables diffusion across walls of capillaries?

Olfaction is the sense of

The Scientific Study of Life

The Chemistry of Life

Cell Structure and Function

The Energy of Life

Photosynthesis

How Cells Release Energy

DNA Structure and Gene Function

DNA Replication, mitosis, and the Cell Cycle

Sexual Reproduction and Meiosis

Patterns of Inheritance

DNA Technology

The Forces of Evolutionary Change

Evidence of Evolution

Speciation and Extinction

The Origin and History of Life

Viruses

Bacteria and Archaea

Protists

Plants

Fungi

Animals

Plant Form and Function

Plant Nutrition and Transport

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

The Nervous System

The Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory System

Digestion and Nutrition

Regulation of Temperature and Body Fluids

The Immune System

Animal Reproduction and Development

Animal Behavior

Population Ecology

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Aerobic respiration consumes gas and generates _______ gas as a waste product.