Question 1

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.F) A) and B)
G) B) and C)

Question 2

Which association is NOT correct?

Accepted Answer

A)   Emphysema - chronic, incurable lung disorder in which the alveoli distend and the surface for gas exchange is reduced
B)   Lung cancer - symptoms include coughing, shortness of breath and blood in the sputum
C)   Pulmonary fibrosis - fibrous connective tissue builds up in the lungs preventing them from inflating properly
D)   Cystic fibrosis - infectious disease that is caused by the bacterium M. tuberculosis
E)   Pneumonia - is a viral, bacterial or fungal infection that cause the bronchi to fill with pus and fluidF) B) and D)
G) All of the above

Question 3

How do insects overcome the inefficiency of their hemolymph flow in taking oxygen to their tissues?

Accepted Answer

A)   Their bodies are tubular, thus increasing the body surface area where gaseous exchange takes place.
B)   Their respiratory system consists of tracheae, which are tiny air tubes that take oxygen directly to the cells.
C)   A countercurrent mechanism ensures that the maximum amount of oxygen is absorbed from the environment.
D)   Insects have highly vascularized extensions of their body walls, called parapodia.E) A) and B)
F) A) and C)

Question 4

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.F) B) and E)
G) C) and D)

Question 5

Pulmonary tuberculosis in an otherwise healthy individual may indicate a compromised immune system or HIV infection.

Accepted Answer

A) True 
 B)False

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

In small aquatic animals, such as hydra and planarians, the most common structure used for gas exchange is the

Accepted Answer

A)   lungs.
B)   body surface.
C)   gills.
D)   cardiovascular system.E) C) and D)
F) A) and B)

Question 8

Which of the following events involves the exchange of gases across a cell membrane?

Accepted Answer

A)   Ventilation and external respiration
B)   Ventilation only
C)   External respiration and internal respiration
D)   Internal respiration only
E)   External respiration onlyF) A) and E)
G) None of the above

Question 9

The exchange of gases between the lungs and the blood occurs by

Accepted Answer

A)   diffusion.
B)   osmosis.
C)   filtration.
D)   active transport.
E)   ionic bonding.F) A) and E)
G) A) and C)

Question 10

Infection of the primary and secondary bronchi is

Accepted Answer

A)   acute bronchitis.
B)   pneumonia.
C)   pulmonary tuberculosis.
D)   emphysema.E) B) and D)
F) A) and B)

Question 11

A lung infection caused by bacteria which become encapsulated in the lungs is

Accepted Answer

A)   emphysema.
B)   pneumonia.
C)   rheumatic fever.
D)   tuberculosis.
E)   pulmonary fibrosis.F) A) and C)
G) A) and B)

Exam 35: Respiratory Systems

Which association is NOT correct?

Correct Answer
verified

A lung infection caused by bacteria which become encapsulated in the lungs is

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

The exchange of gases between the lungs and the blood occurs by

Correct Answer
verified

Which of the following events involves the exchange of gases across a cell membrane?

Correct Answer
verified

In small aquatic animals, such as hydra and planarians, the most common structure used for gas exchange is the

Correct Answer
verified

Infection of the primary and secondary bronchi is

Correct Answer
verified

How do insects overcome the inefficiency of their hemolymph flow in taking oxygen to their tissues?

Correct Answer
verified

Pulmonary tuberculosis in an otherwise healthy individual may indicate a compromised immune system or HIV infection.

Correct Answer
verified

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

Correct Answer
verified

Exam 35: Respiratory Systems

Which association is NOT correct?

Correct AnswerverifiedShow Answer

A lung infection caused by bacteria which become encapsulated in the lungs is

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The exchange of gases between the lungs and the blood occurs by

Correct AnswerverifiedShow Answer

Which of the following events involves the exchange of gases across a cell membrane?

Correct AnswerverifiedShow Answer

In small aquatic animals, such as hydra and planarians, the most common structure used for gas exchange is the

Correct AnswerverifiedShow Answer

Infection of the primary and secondary bronchi is

Correct AnswerverifiedShow Answer

How do insects overcome the inefficiency of their hemolymph flow in taking oxygen to their tissues?

Correct AnswerverifiedShow Answer

Pulmonary tuberculosis in an otherwise healthy individual may indicate a compromised immune system or HIV infection.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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Correct Answer
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