Ms. Trejo uses a bronchodilator, a medication that helps her breathe easier during an asthma attack. Explain the impact this medication will have on pulmonary ventilation
What will be an ideal response?
The degree of airway resistance is largely determined by the diameter of the bronchiole passageways. The bronchodilator medication Ms. Trejo takes will decrease airway resistance by dilating the bronchiole passageways. Relaxation of smooth muscle in the bronchioles increases the size of the bronchiole's lumen (opening). This will better allow the passage of air in and out of the lungs and make it easier to breathe.
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Answer the following statement true (T) or false (F)
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