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6. the lungs are enclosed in______ membranes:
- thoracic
- pleural
- costal
- pulmonary
- pericardial
7. which of the following would make the o2-haemoglobin curve shift right?
- decreased co2
- increases pH
- none
- increases H+ conc
- decreased temp
8. place the following structures in order in which air passes through them:
- 1' bronchi, 2' bronchi, bronchioles, terminal bronchioles, alveoli
- bronchioles, 1' bronchi, 2' bronchi, alveoli, terminal bronchi
- alveoli, bronchioles, 1', 2', terminal
- terminal, 1', 2' alveoli, bronchioles
9. most of the co2 in the blood is transported as:
- bicarbonate ions in the cytoplasm of RBC
- carbonic acid
- carbaminohaemoglobin
- solute dissolved in the plasma
- as bicabonate ions in the plasma
10. pulmonary ventilation referes to:
- the movement of air into and out of the lungs
- the utilisation of oxygen
- the movement of dissolved gases from the blood to the interstitial space
- the movement of dissolved gases from the alveoli to the blood
- the movement of dissolved gases from the interstitial space to the cells
11. the dorsal respiratory group...
- controls the contraction of the accessory muscles of ventilation
- controls forces exhalation
- controls the contraction of the diaphragm and external intercostals
- is responsible for fine tuning expiration
- is responsible for fine tuning inspiration