Question 1

Which organisms use negative pressure to move air into the lungs?

Accepted Answer

A) ducks 
B) iguanas 
C) humans 
D) mice 
E) All of these use negative pressure to move air into their lungs. 
A) ducks 
B) iguanas 
C) humans 
D) mice 
E) All of these use negative pressure to move air into their lungs. E

Question 2

Oxygen-poor blood becomes oxygen-rich blood in the capillary beds of the

Accepted Answer

A) trachea. 
B) bronchi. 
C) bronchioles. 
D) alveoli. 
E) larynx. 
A) trachea. 
B) bronchi. 
C) bronchioles. 
D) alveoli. 
E) larynx. D

Question 3

Gills are used in respiration by all of the following aquatic animals EXCEPT

Accepted Answer

A) clams. 
B) fishes. 
C) crabs. 
D) polychaete worms. 
A) clams. 
B) fishes. 
C) crabs. 
D) polychaete worms. D

Question 4

When trying to stimulate breathing,it is better to give a mixture of carbon dioxide and oxygen than only oxygen because

Accepted Answer

A) pure oxygen causes you to breathe too rapidly. 
B) carbon dioxide and oxygen together exert a greater pressure than an equal amount of oxygen. 
C) carbon dioxide buildup in the blood stimulates the respiratory center in the brain. 
D) oxygen causes lactic acid buildup,and the change in pH prevents breathing. 
E) oxygen alone could lead to spontaneous human combustion. 
A) pure oxygen causes you to breathe too rapidly. 
B) carbon dioxide and oxygen together exert a greater pressure than an equal amount of oxygen. 
C) carbon dioxide buildup in the blood stimulates the respiratory center in the brain. 
D) oxygen causes lactic acid buildup,and the change in pH prevents breathing. 
E) oxygen alone could lead to spontaneous human combustion.

Question 5

Gas exchange takes place by the physical process of diffusion.Use the diagram to describe where diffusion is occurring and what gases are diffusing.   Identify and describe what type of respiration involves the lungs (A)and what type involves the tissue fluids (B).
A: ________ Respiration
B: ________ Respiration
Describe what is occurring,in terms of gaseous exchange,at C,D,E and F.
C: ________
D: ________
E: ________
F: ________

Accepted Answer

A: External respiration is the gas excha

Question 6

Animals must continually acquire oxygen and release carbon dioxide because they do not have a storage area for gases.

Accepted Answer

A) True 
 B)False

Question 7

Which lower respiratory tract disorder can be cured through the use of antibiotics that are effective against bacterial infections?

Accepted Answer

A) Pneumonia 
B) Asthma 
C) Strep throat 
D) Emphysema 
A) Pneumonia 
B) Asthma 
C) Strep throat 
D) Emphysema

Question 8

Which of the following disorder is not associated with the lower respiratory tract?

Accepted Answer

A) asthma 
B) pneumonia 
C) sinus infection 
D) pulmonary tuberculosis 
E) emphysema 
A) asthma 
B) pneumonia 
C) sinus infection 
D) pulmonary tuberculosis 
E) emphysema

Question 9

A disease in which the alveoli are distended and their walls damaged so that surface areas for gas exchange is reduced is

Accepted Answer

A) bronchitis. 
B) emphysema. 
C) pulmonary tuberculosis. 
D) pneumonia. 
A) bronchitis. 
B) emphysema. 
C) pulmonary tuberculosis. 
D) pneumonia.

Question 10

Which statement is NOT true about the human respiratory system?

Accepted Answer

A) The glottis is closed by the forward movement of the soft palate during swallowing. 
B) The glottis is the passageway through the larynx by which air enters the trachea. 
C) Food and air both enter the pharynx,presenting a potential danger to respiration. 
D) Air reaching the lungs has been warmed to body temperature by passage through the nose and upper respiratory passageways. 
E) Cilia and hairs in the nose help to filter out foreign materials in the air. 
A) The glottis is closed by the forward movement of the soft palate during swallowing. 
B) The glottis is the passageway through the larynx by which air enters the trachea. 
C) Food and air both enter the pharynx,presenting a potential danger to respiration. 
D) Air reaching the lungs has been warmed to body temperature by passage through the nose and upper respiratory passageways. 
E) Cilia and hairs in the nose help to filter out foreign materials in the air.

Question 11

Explain the correct sequence of structures that a molecule of oxygen will pass through or over as it moves from the nostrils to the alveolus.

Accepted Answer

The correct sequence of airflo

Question 12

The earthworm is a terrestrial animal that uses its ________ in respiration.

Accepted Answer

A) parapodia and body surface 
B) tracheoles 
C) body surface 
D) gills 
E) lungs 
A) parapodia and body surface 
B) tracheoles 
C) body surface 
D) gills 
E) lungs

Question 13

Disorders of the upper respiratory tract consist of all of the following EXCEPT for

Accepted Answer

A) a runny nose. 
B) pharyngitis. 
C) the common cold. 
D) asthma. 
E) strep throat. 
A) a runny nose. 
B) pharyngitis. 
C) the common cold. 
D) asthma. 
E) strep throat.

Question 14

The respiratory center is directly sensitive to the levels of H+.Could one correctly say that CO2 levels control the breathing rate? Explain your answer.

Accepted Answer

Answers may vary.Although the respirator

Question 15

With negative pressure breathing,the muscles that move the ribs and diaphragm are distant from the absorptive alveolar surfaces.What difficulty(ies)could occur if the muscles were around each alveolus and had to expand each alveolus to suck in air?

Accepted Answer

A) Muscle tissue would get in the way of absorption of gases across the air-to-capillary border. 
B) Interspersed muscle tissue would take up much space and the lung-muscle volume would have to be much larger. 
C) Since muscle cells only contract and relax,it would be difficult for a few cells to cause alveolar expansion. 
D) Adding a third tissue to the intimate alveolar-capillary complex would increase the problems with disorders and diseases. 
E) All of the choices are correct. 
A) Muscle tissue would get in the way of absorption of gases across the air-to-capillary border. 
B) Interspersed muscle tissue would take up much space and the lung-muscle volume would have to be much larger. 
C) Since muscle cells only contract and relax,it would be difficult for a few cells to cause alveolar expansion. 
D) Adding a third tissue to the intimate alveolar-capillary complex would increase the problems with disorders and diseases. 
E) All of the choices are correct.

Question 16

Common colds are upper respiratory tract infections.Why are vaccinations against the common cold not practical?

Accepted Answer

A) There are so many different strains of viruses that cause colds it would be impossible to develop a vaccine against all of them. 
B) Vaccines are very costly to develop. 
C) Vaccines would not work against the common cold because it is caused by a bacterial infection. 
D) Colds are caused by viruses that cannot be prevented by vaccinations. 
E) Vaccinations do not work in the upper respiratory tract. 
A) There are so many different strains of viruses that cause colds it would be impossible to develop a vaccine against all of them. 
B) Vaccines are very costly to develop. 
C) Vaccines would not work against the common cold because it is caused by a bacterial infection. 
D) Colds are caused by viruses that cannot be prevented by vaccinations. 
E) Vaccinations do not work in the upper respiratory tract.

Question 17

The grasshopper is a terrestrial animal that uses its ________ in respiration.

Accepted Answer

A) parapodia 
B) tracheae 
C) body surface 
D) gills 
E) lungs 
A) parapodia 
B) tracheae 
C) body surface 
D) gills 
E) lungs

Question 18

When nerve impulses pass to the diaphragm,the diaphragm relaxes and exhalation occurs.

Accepted Answer

A) True 
 B)False

Question 19

Which features are required for efficient external respiration to take place?

Accepted Answer

A) The gas exchange region must be moist,thin and have a large surface area. 
B) The gas exchange region must be dry,thin and have a large surface area. 
C) The gases being exchanged must be present in a low concentration in order for diffusion to occur. 
D) Gas exchange can only occur at a temperature lower than the body temperature of the organism. 
E) The gas exchange needs to occur in an aquatic environment in order to be efficient. 
A) The gas exchange region must be moist,thin and have a large surface area. 
B) The gas exchange region must be dry,thin and have a large surface area. 
C) The gases being exchanged must be present in a low concentration in order for diffusion to occur. 
D) Gas exchange can only occur at a temperature lower than the body temperature of the organism. 
E) The gas exchange needs to occur in an aquatic environment in order to be efficient.

Question 20

Identify the labeled structures of the respiratory system in the diagram.   A: ________
B: ________
C: ________
D: ________
E: ________
F: ________
G.________
H: ________
I: ________

Accepted Answer

A: nasal cavity B: nostril C:

Exam 35: Respiratory Systems

Which organisms use negative pressure to move air into the lungs?

Oxygen-poor blood becomes oxygen-rich blood in the capillary beds of the

Gills are used in respiration by all of the following aquatic animals EXCEPT

When trying to stimulate breathing,it is better to give a mixture of carbon dioxide and oxygen than only oxygen because

Animals must continually acquire oxygen and release carbon dioxide because they do not have a storage area for gases.

Which lower respiratory tract disorder can be cured through the use of antibiotics that are effective against bacterial infections?

Which of the following disorder is not associated with the lower respiratory tract?

A disease in which the alveoli are distended and their walls damaged so that surface areas for gas exchange is reduced is

Which statement is NOT true about the human respiratory system?

Explain the correct sequence of structures that a molecule of oxygen will pass through or over as it moves from the nostrils to the alveolus.

The earthworm is a terrestrial animal that uses its ________ in respiration.

Disorders of the upper respiratory tract consist of all of the following EXCEPT for

The respiratory center is directly sensitive to the levels of H+.Could one correctly say that CO2 levels control the breathing rate? Explain your answer.

With negative pressure breathing,the muscles that move the ribs and diaphragm are distant from the absorptive alveolar surfaces.What difficulty(ies)could occur if the muscles were around each alveolus and had to expand each alveolus to suck in air?

Common colds are upper respiratory tract infections.Why are vaccinations against the common cold not practical?

The grasshopper is a terrestrial animal that uses its ________ in respiration.

When nerve impulses pass to the diaphragm,the diaphragm relaxes and exhalation occurs.

Which features are required for efficient external respiration to take place?

Identify the labeled structures of the respiratory system in the diagram. A: ________ B: ________ C: ________ D: ________ E: ________ F: ________ G.________ H: ________ I: ________

A View of Life

Basic Chemistry

The Chemistry of Organic Molecules

Cell Structure and Function

Membrane Structure and Function

Metabolism: Energy and Enzymes

Photosynthesis

Cellular Respiration

The Cell Cycle and Cellular Reproduction

Meiosis and Sexual Reproduction

Mendelian Patterns of Inheritance

Molecular Biology of the Gene

Regulation of Gene Expression

Biotechnology and Genomics

Darwin and Evolution

How Populations Evolve

Speciation and Macroevolution

Origin and History of Life

Taxonomy,systematics,and Phylogeny

Viruses,bacteria,and Archaea

Protist Evolution and Diversity

Fungi Evolution and Diversity

Plant Evolution and Diversity

Flowering Plants: Structure and Organization

Flowering Plants: Nutrition and Transport

Flowering Plants: Control of Growth Responses

Flowering Plants: Reproduction

Invertebrate Evolution

Vertebrate Evolution

Human Evolution

Animal Organization and Homeostasis

Circulation and Cardiovascular Systems

The Lymphatic and Immune Systems

Digestive Systems and Nutrition

Body Fluid Regulation and Excretory Systems

Neurons and Nervous Systems

Sense Organs

Locomotion and Support Systems

Hormones and Endocrine Systems

Reproductive Systems

Animal Development and Aging

Behavioral Ecology

Population Ecology

Community and Ecosystem Ecology

Major Ecosystems of the Biosphere

Conservation of Biodiversity

Filters

The respiratory center is directly sensitive to the levels of H⁺.Could one correctly say that CO₂ levels control the breathing rate? Explain your answer.

Identify the labeled structures of the respiratory system in the diagram. A: B: C: D: E: F: G. H: I: