Answer: Option B
Explanation:
Exacerbation is a chronic lung disease which causes the airway to be swollen. Exacerbation of asthma cause disease morbidity and causes progressive loss in the functioning of lungs. Exacerbation of asthma when diagnosed should be treated immediately by giving the prescribed drugs to promote bronchiolar dilation.
Asthma attack patients should be very careful when they come across this acute exacerbation. If cold or flu the patient should be treated without any further delay. The inflammation should be kept in the minimal level with the help of medications.
b. centrioles
c. mitochondria
d. central vacuole