A woman is in the first stage of childbirth. Which of these events may be occurring?
B. Intense contractions
The average reaction time is 3/4 a second
During an asthma attack the muscle wall contracts and the lining of the airways becomes swollen and inflamed. These changes cause a narrowing of the airways which is further aggravated by an increase in secretions from the mucus membrane, which may actually block the smaller airways hope this helps