Question 1

Identify the correct pairing of respiratory disorders and symptoms.

Accepted Answer

A)  Common cold - sneezing,runny nose and a mild fever.
B)  Asthma - coughing,wheezing and shortness of breath.
C)  Pneumonia - bronchi are filled with fluid and pus causing coughing and difficulty breathing.
D)  Pulmonary tuberculosis - lung cells build tissues around the invading bacterium causing the elasticity of the lungs to decrease.
E)  All of the pairings of respiratory disorders and symptoms are correct.F) None of the above
G) A) and B)

Question 2

Infection of the primary and secondary bronchi is

Accepted Answer

A)  acute bronchitis.
B)  pneumonia.
C)  pulmonary tuberculosis.
D)  emphysema.E) A) and C)
F) None of the above

Question 3

Ventilation includes

Accepted Answer

A)  inspiration.
B)  expiration.
C)  illumination.
D)  All of these are correct.
E)  Both inspiration and expiration.F) A) and E)
G) B) and E)

Question 4

There is unidirectional flow of air for greater absorption of oxygen in

Accepted Answer

A)  reptiles.
B)  amphibians.
C)  birds.
D)  mammals.E) A) and B)
F) None of the above

Question 5

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) None of the above
F) B) and D)

Question 6

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) C) and D)
G) B) and E)

Question 7

Carbonic anhydrase

Accepted Answer

A)  is a digestive enzyme.
B)  is dissolved in plasma.
C)  speeds up the conversion of carbonic acid to carbon dioxide and water.
D)  speeds up the conversion of carbon dioxide to oxygen.
E)  speeds up the conversion of oxyhemoglobin.F) C) and E)
G) A) and D)

Question 8

Identify the correct pathway of an oxygen molecule as it goes from the nose to the alveolus.

Accepted Answer

A)  nostril,nasal cavity,pharynx,glottis,larynx,trachea,bronchus,bronchiole,alveoli
B)  nostril,nasal cavity,glottis,larynx,pharynx,trachea,bronchus,bronchiole,alveoli
C)  nostril,nasal cavity,larynx,glottis,pharynx,trachea,bronchus,bronchiole,alveoli
D)  nostril,nasal cavity,pharynx,glottis,larynx,trachea,bronchiole,bronchus,alveoliE) All of the above
F) A) and C)

Question 9

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) None of the above
F) All of the above

Question 10

Which of these organisms is able to use several body surfaces,such as gills,skin,and lungs,for respiration?

Accepted Answer

A)  humans
B)  birds
C)  amphibians
D)  reptiles
E)  None of these are correct.F) B) and D)
G) A) and E)

Question 11

Opercula are

Accepted Answer

A)  gills on a lobster.
B)  gill covers on a fish.
C)  extensions of the body wall in polychaete worms.
D)  internal spaces in a planarian used in digestion and respiration.
E)  tentacles on a hydra.F) C) and D)
G) B) and E)

Question 12

A pressurized airplane cabin and an oxygen tent over a patient in a hospital both impact the respiration rate of a person.How do these compare?

Accepted Answer

A)  The oxygen tent and the airplane increase the air pressure to increase the PCO2.
B)  The oxygen tent and airplane cabin pressure lowers the partial pressures for normal breathing.
C)  Both use the same mechanism to force hemoglobin to increase affinity for oxygen.
D)  The oxygen tent increases concentration of O2 while the airplane maintains total air pressure without changing concentrations.E) All of the above
F) A) and B)

Question 13

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 B)
G) All of the above

Question 14

Why are homes equipped with CO (carbon monoxide)detectors?

Accepted Answer

The incomplete combustion of natural gas...

Question 15

If an individual wanted to hold their breath underwater for a long period of time they would breath very rapidly prior to the dive.What does this accomplish?

Accepted Answer

A)  They would decrease the amount of CO2 in their bloodstream which would cause them to temporarily stop breathing.
B)  They would increase the amount of H+ in their bloodstream which would cause them to temporarily stop breathing.
C)  They would decrease the amount of H+ in their bloodstream which would cause them to temporarily stop breathing.
D)  They would increase the amount of CO2 in their bloodstream which would cause them to temporarily stop breathing.E) B) and C)
F) A) and C)

Question 16

Oxygen is transported in blood most efficiently

Accepted Answer

A)  by being dissolved in the plasma.
B)  by chemical conversion to water.
C)  by combining with hemoglobin.
D)  by combining with carbon dioxide to form bicarbonate ions.
E)  as a free oxygen ion or radical.F) A) and E)
G) A) and D)

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

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) A) and E)
G) A) and B)

Question 19

Which of the following increases the surface area available for gas exchange among various organisms?

Accepted Answer

A)  finely divided inner lung surface in mammals
B)  tubular body shape,as in annelids
C)  finely divided gills in fish
D)  flattened body,as in planarians
E)  All of these choices increase surface area.F) B) and E)
G) A) and E)

Question 20

Which part of the respiratory system is an air tube held open by a series of C-shaped cartilaginous rings?

Accepted Answer

A)  pharynx
B)  larynx
C)  trachea
D)  bronchiolesE) A) and B)
F) None of the above

Exam 35: Respiratory Systems

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?

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

Correct AnswerverifiedShow Answer

Carbonic anhydrase

Correct AnswerverifiedShow Answer

A pressurized airplane cabin and an oxygen tent over a patient in a hospital both impact the respiration rate of a person.How do these compare?

Correct AnswerverifiedShow Answer

Identify the correct pathway of an oxygen molecule as it goes from the nose to the alveolus.

Correct AnswerverifiedShow Answer

Ventilation includes

Correct AnswerverifiedShow Answer

Oxygen is transported in blood most efficiently

Correct AnswerverifiedShow Answer

There is unidirectional flow of air for greater absorption of oxygen in

Correct AnswerverifiedShow Answer

Which of these organisms is able to use several body surfaces,such as gills,skin,and lungs,for respiration?

Correct AnswerverifiedShow Answer

If an individual wanted to hold their breath underwater for a long period of time they would breath very rapidly prior to the dive.What does this accomplish?

Correct AnswerverifiedShow Answer

Opercula are

Correct AnswerverifiedShow Answer

Which part of the respiratory system is an air tube held open by a series of C-shaped cartilaginous rings?

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

Which of the following increases the surface area available for gas exchange among various organisms?

Correct AnswerverifiedShow Answer

Why are homes equipped with CO (carbon monoxide)detectors?

Correct AnswerverifiedThe incomplete combustion of natural gas...View AnswerShow Answer

Which association is NOT correct?

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Identify the correct pairing of respiratory disorders and symptoms.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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The incomplete combustion of natural gas...
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