A patient has been struck in the back by a heavy piece of wood that was being bent to make a form for a concrete arch. He is responsive, but cannot feel or move his legs. He has bruising to his back and is incontinent of urine. The skin below the injury site is red and warm. As a knowledgeable AEMT, you should realize that:

Which of the following medications is generally only used if the patient still has debilitating symptoms from stable COPD, despite inhaled bronchodilator therapy?

a. Antibiotics b. Beta-2 agonists c. Corticosteroids d. Methylxanthines

Which of the following statements are true about the incidence of asthma?

1. The prevalence has increased significantly over the past 20 years in the United States. 2. The mortality has remained the same over the past 20 years in the United States. 3. Researchers have determined the causes of asthma and are working on a vaccine. 4. Diagnosis of asthma is done in a physician's office following an extensive clinical assessment. a. 1 and 3 only b. 1 only c. 1 and 2 only d. 1, 2, and 4 only