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Respiratory System
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1. The exchange of gases between blood and cells is called
pulmonary ventilation.
internal respiration.
external repiration.
cellular respiration.
2. Which of the following does NOT belong to the conducting prtion of the respiratory
system?
alveoli
bronchioles
nose
pharynx
3. The structure which closes off the larynx is the
glottis.
Adam's apple.
epiglottis.
vocal cords.
4. Which of the following describes a correct order of structures in the respiratory
passeways?
pharynx, trachea, larynx, bronchi, bronchioles
larynx, pharynx, trachea, bronchiles, bronchi
trachea, pharynx, larynx, bronchi, bronchioles
pharynx, larynx, trachea, bronchi, bronchioles
5. The exchange of gases occurs in the
trachea.
bronchioles.
alveoli.
bronchus.
6. The volume of air that can be exhaled after normal exhaltation is the
tidal volume.
residual volume.
inspiratory reserve volume.
expiratory reserve volume.
7. The volume of air in a normal breath is called
total lung capacity.
vital capacity.
tidal volume.
residual volume.
8. Gas exchange in the lungs happens by the process of
osmosis.
diffusion.
exocytosis.
active transport.
9. Most oxygen in the blood is transported
as gas dissolved in plasma.
as oxyhemoglobin.
as carboxyhemoglobin.
as bicarbonate.
10. The primary chemical stimulus for breathing is the concentration of
carbon monoxide in the blood.
carbon dioxide in the blood.
oxygen in the blood.
carbonic acid in the blood.
Bottom of Form
1. internal respiration
2. alveoli
3. epiglottis
4. pharynx, larynx, trachea, bronchi, bronchioles
5. alveoli
6. expiratory reserve volume
7. tidal volume
8. diffusion
9. as oxyhemoglobin
10. carbon dioxide in the blood