Respiratory System ATI Exam Actual
Questions and Answers 2026
What are the main functions of the respiratory system? -
correct answer ✅1) Extracting oxygen from the atmosphere
2) Expelling carbon dioxide from the body into the air.
How is the respiratory system constructed? -
correct answer ✅The respiratory system is uniquely constructed
to maximize surface area for the exchange of gases.
What happens at the Alveoli? -
correct answer ✅Alveoli are the sites where gases are exchanged
between the respiratory and circulatory systems.
What are alveoli? -
correct answer ✅Alveoli are tiny air sacs in the lungs where
exchange of oxygen and carbon dioxide takes place.
What are size of the alveoli? -
correct answer ✅In a human lung if all of the alveoli were
stretched out, the total surface area would be equivalent to half the
size of a tennis court.
, Respiratory System ATI Exam Actual
Questions and Answers 2026
What does the respiratory system do? -
correct answer ✅The respiratory system mediates the uptake of
oxygen for metabolism and the release of carbon dioxide (a waste
product) into the atmosphere.
What is ventilation? -
correct answer ✅Ventilation is the process of aerating the lungs.
The movement of air in and out of the body via inhalation and
exhalation.
What are the two divisions of the respiratory system? -
correct answer ✅1) Upper respiratory tract
2) Lower respiratory tract
What is included in the upper respiratory tract? -
correct answer ✅Nose
Nasal Cavity
Paranasal Sinuses
Oral Cavity
Pharynx
Questions and Answers 2026
What are the main functions of the respiratory system? -
correct answer ✅1) Extracting oxygen from the atmosphere
2) Expelling carbon dioxide from the body into the air.
How is the respiratory system constructed? -
correct answer ✅The respiratory system is uniquely constructed
to maximize surface area for the exchange of gases.
What happens at the Alveoli? -
correct answer ✅Alveoli are the sites where gases are exchanged
between the respiratory and circulatory systems.
What are alveoli? -
correct answer ✅Alveoli are tiny air sacs in the lungs where
exchange of oxygen and carbon dioxide takes place.
What are size of the alveoli? -
correct answer ✅In a human lung if all of the alveoli were
stretched out, the total surface area would be equivalent to half the
size of a tennis court.
, Respiratory System ATI Exam Actual
Questions and Answers 2026
What does the respiratory system do? -
correct answer ✅The respiratory system mediates the uptake of
oxygen for metabolism and the release of carbon dioxide (a waste
product) into the atmosphere.
What is ventilation? -
correct answer ✅Ventilation is the process of aerating the lungs.
The movement of air in and out of the body via inhalation and
exhalation.
What are the two divisions of the respiratory system? -
correct answer ✅1) Upper respiratory tract
2) Lower respiratory tract
What is included in the upper respiratory tract? -
correct answer ✅Nose
Nasal Cavity
Paranasal Sinuses
Oral Cavity
Pharynx
