I CANT HAVE Flashcards
The most abundant gas in earth’s atmosphere is
D
The oxygen content of air is approximately
A
The concentration of nitrogen in the earth’s atmosphere is approximately
A
The concentration of carbon dioxide in the earth’s atmosphere is
B
Exchange across a membrane requires
D
The movement of both oxygen and carbon dioxide in the body is accomplished by
D
As an animal grows larger, the surface area increases by the mathematical __?__ of its dimensions.
B
Ventilation is defined as
E
Adult insects exchange respiratory gases primarily by means of
B
Blood and water flowing in opposite directions, in conjunction with respiratory systems, is a mechanism that explains how
A
The group of animals with the most efficient respiratory system is the
B
Birds
E
What is the proper sequence in the flow of air in mammals?
C
The last mammalian structure that air moves through before the alveoli is the
C
During inhalation,
B
When humans breathe using only the mouth, which of the following is most diminished?
A
Food and drink are prevented from entering the respiratory passageways during swallowing by
C
When you swallow, the epiglottis covers the opening to the
C
The human vocal cords are located in the
D
In pleurisy
B
Actual exchange of gases in the lungs occurs in the
B
Which of the following is NOT found in lung tissue?
E
During exhalation
A
Which of the following statements is FALSE?
C
Oxygen moves from alveoli to the bloodstream
A
Hemoglobin
D
Which statement is NOT true?
D
Oxyhemoglobin gives up O2 when
A
Most of the carbon dioxide produced by the body is transported to the lungs in
D
The enzyme responsible for converting free carbon dioxide in the blood into forms in which it can be transported in the blood is
A
Which statement is true?
E
Carbon monoxide
D
