IB Sport Science: Topic 2 UPDATED
ACTUAL Exam Questions and CORRECT
Answers
The principle structures of the ventilatory system - CORRECT ANSWER - Nose, mouth,
pharynx, larynx, trachea, bronchi, bronchioles, lungs and alveoli
Functions of the conducting airways - CORRECT ANSWER - Low resistance pathway for
airflow, defence against chemicals and other harmful substances inhaled, warming and
moistening the air
Pulmonary Ventilation - CORRECT ANSWER - Inflow and outflow of air between the
atmosphere and the lungs
Total lung capacity - CORRECT ANSWER - Volume of air in the lungs after maximal
inhalation
Vital capacity - CORRECT ANSWER - Maximum volume of air that can be exhaled after
a maximum inhalation
Tidal Volume - CORRECT ANSWER - The volume of air breathed in and out in any one
breath
Expiatory reserve volume - CORRECT ANSWER - Volume of air in excess of tidal
volume that can be exhaled forcibly
Inspiratory reserve volume - CORRECT ANSWER - Additional inspired air over and
above tidal volume
Residual volume - CORRECT ANSWER - Volume of air still contained in the lungs after
maximal exhalation