Answer:
Peak-flow monitor.
Step-by-step explanation:
Asthma may be defined as the medical condition the breathing airways becomes narrow and produces large amount of mucus. This hinders the normal process of breathing and causes sneezing, coughing.
Peak flow motor is the inexpensive and hand help portable medical device the air flow during one breathe. This can be used by the asthma patients at home. The specific plan for the asthma clients should be in right place and must know the symptom monitoring.
Thus, the answer is peak flow monitor.