A 75-year-old client has a baseline oral temperature of 96.8° F (36° C). Two hours later the client’s oral temperature is 100.8° F (38.2° C). Which action should a nurse take next?

Notify the health care provider to report and anticipate new orders.

Cover the client with an additional blanket & alert the UAP to recheck in two hours.

Chart the temperature on the vital signs sheet and report to the new shift coming on.

Assess the client’s temperature rectally and compare the results.