1. Shortness of breath is caused by physical exertion.Is shortness of breath caused ....?Shortness of breath isn`t caused...2. An accelerated heartbeat is described as palpitation by patients.Is an accelerated heartbeat described..?An accelerated heartbeat isn't described....3. Heart size is measured by percussion.Heart size isn`t measured by percussion.Is heart size measured by percussion?4. The murmurs in the heart weren`t heard by the doctor during yesterday’s examination.Were the murmurs in the heart heard by the doctor during yesterday’s examination?5. Fever is known as pyrexia.Fever isn`t known as pyrexia.Is fever known as pyrexia?6. A patient often refers to microbes as germs or bugs.A patient doesn`t often refer to microbes as germs or bugs.Does a patient often refer to microbes as germs or bugs?7. He is admitted to the hospital with flu-type symptoms.He isn`t admitted to the hospital with flu-type symptoms.Is he admitted to the hospital with flu-type symptoms?8. Tumours invade tissues and then spread to distant parts of the body.Tumours don`t invade tissues and then don`t spread to distant parts of the body.Do tumours invade tissues and then spread to distant parts of the body?