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- Created by: niss81
- Created on: 01-09-20 11:37
1. what happens when the diaphragm and intercostal muscles relax?
- inhalation occurs
- air moves out of the lungs
- chest volume increases
- ventilation ceases
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Other questions in this quiz
2. how is most oxygen transported through the blood?
- attached to hemoglobin
- as a surfactant
- as a lysozyme
- as bicarbonate
3. which of the following respiratory tubes are primarily composed of smooth muscle and determine the flow of air to the alveoli?
- bronchioles
- bronchi
- trachea
- nares
4. which of the following is the major regulator of respiratory activity?
- bicarbonate
- PO2
- PCO2
- albumin
5. what is the transport mechanism necessary for the movement of oxygen from the alveoli across the pulmonary capillary membranes into the blood?
- diffusion
- active transport
- osmosis
- facilitated transport
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