WorksheetsRespiratory System Quiz
Total questions: 10
Worksheet time: 5mins
What causes air to flow from the atmosphere into the lungs?
Decrease in volume in the lungs
Increase in volume in the lungs
Increase in pressure in the lungs
Decrease in pressure in the lungs
Where does gas exchange occur in the lungs?
Diaphragm
Capillaries
Alveoli
Bronchioles
What happens to the number of active alveoli during exercise?
Decreases
Collapses
Increases
Remains the same
What is the basis for the ventilation perfusion ratio?
Air supply
Blood flow
Gas exchange
Carbon dioxide concentration
What happens to the ventilation perfusion ratio when bronchioles dilate?
Remains the same
Decreases
Increases
Collapses
What is the response of the lungs to an increase in carbon dioxide in the lungs?
Bronchoconstriction
Decrease in airflow
Bronchodilation
Vasodilation
What causes vasoconstriction in pulmonary arterials?
High oxygen levels in the blood
Low oxygen levels in the blood
High carbon dioxide levels in the blood
Low carbon dioxide levels in the blood
What is the function of the diaphragm during inhalation?
Contracts and pulls the lungs down
Expands and pulls the lungs outward
Relaxes and moves upward
Recoils back to a smaller size
What drives gas exchange in the alveoli?
Diffusion of gases
Concentration differences of gases
Blood flow
Expansion of alveoli
What is the formula for airflow?
Delta pressure over resistance
Resistance over delta pressure
Pressure volume relationship
Gas exchange formula
