Which of the following animals would utilize direct

1
Created by Boundless
Which of the following animals would utilize direct diffusion as a means for
respiration?
A
Insects
B
All animals use direct diffusion as a means for
respiration.
C
Cnidarians
D
Fish
2
Created by Boundless
Which of the following statements is TRUE?
A
Direct diffusion is the only process used for respiration.
B
Cell size is a negligible factor in the process of diffusion.
C
The size of an animal does not play a role in the ability to
diffuse and undergo gas exchange.
D
The more complex an organism, the more complex the
respiratory system.
3
Created by Boundless
Which of the following statements best describes the major function of the
respiratory system?
A
The respiratory system allows CO2 to enter the
bloodstream.
B
The respiratory center allows CO2 to exit the body during
exhalation.
C
The respiratory system allows O2 to enter the
bloodstream and CO2 waste to be exhaled.
D
The respiratory system allows O2 to enter the
bloodstream.
4
Created by Boundless
Which of the following statements best describes the process of gas exchange with
gills as the major respiratory organ?
A
The gills allow the CO2 in the bloodstream to diffuse into
the water.
B
The gills allow oxygen in water to diffuse in the
bloodstream.
C
The gills allow oxygen in water to diffuse into the
bloodstream and CO2 to diffuse into the water.
D
The gills do not participate in gas exchange and only
transport oxygen from the water.
5
Created by Boundless
Which of the following statements is TRUE regarding the process of respiration?
6
A
The tracheal system uses spiracles for diffusion of O2into
the body and CO2 out of the body.
B
The tracheal system uses trachea for diffusion of O2 into
the body and CO2 out of the body.
C
The tracheal system does not participate in gas
exchange.
D
The tracheal system uses spiracles to allow for entrance
of O2 only into the body.
Created by Boundless
Which of the following is considered to be a protective mechanism utilized by the
respiratory system?
A
presence of cilia on the bronchioles
B
presence of cilia on the lungs
C
production of mucus by the larynx
D
production of mucus by the bronchioles
7
Created by Boundless
Which of the following represents the correct order for the movement of air into the
mammalian respiratory system after it has left the nasal cavity?
A
pharynx, larynx, trachea, bronchus, bronchioles, alveolar
duct
B
pharynx, larynx, trachea, bronchus, secondary bronchus,
bronchioles, alveolar duct
C
pharynx, larynx, trachea, bronchus, secondary and
tertiary bronchus, bronchioles, alveolar duct
D
larynx, pharynx, trachea, bronchus, secondary and
tertiary bronchus, bronchioles, alveolar duct