A female patient presents to the emergency department with acutely deteriorating asthma. Her husband shows the nurse salme-terol when the nurse asks what medications his wife takes at home. lie then tells the nurse that he gave her three extra puffs when she became ill. What statement is correct in this situation? a. The husband made the correct decision in giving the extra doses. b. The extra doses facilitated bronchodilation and probably saved her life. c. Salmeterol is contraindicated based on his wife's condition. d. The physician will most likely order con-tinuation of the salmeterol with increased dosage.

What is the main structural difference between enveloped and nonenveloped viruses? a) enveloped viruses have their genetic material enclosed by a layer made only of protein. b) nonenveloped viruses have only a phospholipid membrane, while enveloped viruses have two membranes, the other one being a protein capsid. c) enveloped viruses have a phospholipid membrane outside their capsid, whereas nonenveloped viruses do not have a phospholipid membrane. d) both types of viruses have a capsid and phospholipid membrane; but in the nonenveloped virus the genetic material is between these two membranes, while in the enveloped virus the genetic material is inside both membranes.