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WorksheetsIB Topic 2.1 Pre-test
Total questions: 10
Worksheet time: 4mins
Which of the following is not part of the ventilatory system?
bronchioles
trachea
oesophagus
bronchus
pharynx
Which of the following is the main organ of gas exchange?
lungs
diaphragm
bronchi
larynx
What is the name of the small sacs specially adapted for gas exchange?
bronchioles
alveoli
trachea
villi
By which process does O2 enter and CO2 leave the blood?
active transport
dispersion
diffusion
osmosis
Which of the following structures is lined with C-shaped cartilage to prevent collapse?
bronchioles
alveoli
lungs
trachea
During inhalation...
the diaphragm contracts and flattens
the diaphragm relaxes and becomes dome-shaped
the external intercostal muscles contract
the external intercostal muscles relax
During inhalation...
Volume of the thorax decreases
Pressure in the thorax decreases
Volume of the thorax increases
Pressure in the thorax increases
Vital capacity:
total volume of air that can be voluntarily moved in one breath
volume of air inhaled or exhaled in a single breath at rest
volume of air in the lungs following a maximal expiration
volume of gas that can be expired at the end of a tidal expiration
Tidal volume:
total volume of air that can be voluntarily moved in one breath
volume of air inhaled or exhaled in a single breath at rest
volume of air in the lungs following a maximal expiration
volume of gas that can be expired at the end of a tidal expiration
Residual volume:
total volume of air that can be voluntarily moved in one breath
volume of air inhaled or exhaled in a single breath at rest
volume of air in the lungs following a maximal expiration
volume of gas that can be expired at the end of a tidal expiration
