A patient with rheumatic fever has subcutaneous nodules, erythema marginatum, and polyarthritis. The patient reports that discomfort in the joints prevents favorite activities such as taking a daily walk and working on sewing projects. Based on these findings, which nursing diagnosis statement would be appropriate? a. Activity intolerance related to arthralgia
b. Anxiety related to permanent joint fixation
c. Altered body image related to polyarthritis
d. Social isolation related to pain and swelling

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.