The common symptoms of asthma include _________. A: wheezing B: coughing C: breathlessness D: chest tightness

The<br/>symptoms of asthma include:() A: breathlessness B: cough C: chest tightness D: wheezing E: all of the above

Your colleague is complaining of breathlessness and a tight pain in the chest. You suspect (怀疑）a heart attack. What should you do? A: Get him to lay down flat B: Encourage him to stand up and move around slowly C: Sit him in a comfortable position