The Following Vital Signs Were Taken and Given to the RN

The following vital signs were taken and given to the RN by the Assistant in Nursing (unlicensed health care worker) : 37.2-68-18-130/70. The client from whom these vital signs were obtained is a 75-year-old male. Which of the following rationales would explain this client's low temperature?

A) Loss of subcutaneous fat is noted.
B) Anxiety level of the client has increased.
C) Hormones have fluctuated in this client.
D) Muscle activity has increased during the client's therapy session.