Put questions to the underlined words: 1. Acute bronchitis may develop (after a common cold).
2. Diagnosis is usually based on (the symptoms and signs).
3. (Oral fluids) are advised during the febrile course.
4. Antibiotics are indicated (when there is concomitant chronic obstructive pulmonary disease).
5. (Persistent chills) suggest an alternative diagnosis.
6. Lab studies usually show (leucocytosis with a shift to the left).
7. (A diagnosis) can be based on the history, changes on the chest X-ray.