Answer:
be escorted to the emergency room immediatly, but call 911 for help first
Explanation:
Answer:
D. Chemical mediators are released from presensitized mast cells.
Explanation:
mast cells play an important role in allergic reactions and responsible for releasing histamines and potent mediators tat directly affect inflammatory cells. the chemical mediators released by presentized mast cells play important role in etiology of the acute response phase of extrinsic (atopic) asthma.
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<span>Are at risk as much smokers for respiratory and circulatory diseases.
<span>Passive smokers</span></span>
