Question 1

The tracheal system of an insect is most like which of the following?

Accepted Answer

A)  the air duct system in a building
B)  leaves on a tree
C)  the exhaust system of an automobile
D)  the electrical wiring in a homeE) B) and C)
F) A) and C)

Question 2

The function of passageways for gas exchange in birds is to

Accepted Answer

A)  permit one- way ventilation of the lungs.
B)  adjust the temperature of air.
C)  store air for times of physical exertion.
D)  lighten the bird.E) All of the above
F) A) and B)

Question 3

The is a passageway shared by both food and air.

Accepted Answer

A)  trachea
B)  nasal cavity
C)  pharynx
D)  larynxE) A) and B)
F) A) and C)

Question 4

Within the lungs,gas exchange occurs across

Accepted Answer

A)  bronchi.
B)  alveoli.
C)  bronchioles.
D)  diaphragms.E) A) and B)
F) None of the above

Question 5

Why do cigarette smokers cough more than nonsmokers?

Accepted Answer

A)  Cigarette smoking partially paralyzes the muscles in the lungs,resulting in an increased residual volume,and coughing exchanges this "dead air."
B)  Cigarette smoke harms the cilia that normally move debris out of the lungs,and coughing is the remaining way to clean the lungs.
C)  The tar in cigarette smoke tends to make alveoli stick together,and coughing separates them.
D)  By raising the pressure in the lungs,coughing forces more oxygen into the blood.E) B) and D)
F) B) and C)

Question 6

Evolutionary adaptations for survival on land produced tetrapods,which later evolved into

Accepted Answer

A)  snakes and skinks.
B)  migratory birds.
C)  amphibians,reptiles,and mammals.
D)  frogs and toads.E) None of the above
F) A) and B)

Exam 22: Gas Exchange

Why do cigarette smokers cough more than nonsmokers?

Correct Answer
verified

The function of passageways for gas exchange in birds is to

Correct Answer
verified

The tracheal system of an insect is most like which of the following?

Correct Answer
verified

The is a passageway shared by both food and air.

Correct Answer
verified

Within the lungs,gas exchange occurs across

Correct Answer
verified

Evolutionary adaptations for survival on land produced tetrapods,which later evolved into

Correct Answer
verified

Exam 22: Gas Exchange

Why do cigarette smokers cough more than nonsmokers?

Correct AnswerverifiedShow Answer

The function of passageways for gas exchange in birds is to

Correct AnswerverifiedShow Answer

The tracheal system of an insect is most like which of the following?

Correct AnswerverifiedShow Answer

The is a passageway shared by both food and air.

Correct AnswerverifiedShow Answer

Within the lungs,gas exchange occurs across

Correct AnswerverifiedShow Answer

Evolutionary adaptations for survival on land produced tetrapods,which later evolved into

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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