A client reports feeling chronic fatigue and chilled when others feel comfortable. The client has a heart rate of 92 beats/minute at rest and a blood pressure of 110/60 mm Hg. The skin, conjunctiva,...

A client reports feeling chronic fatigue and chilled when others feel comfortable. The client has a heart rate of 92 beats/minute at rest and a blood pressure of 110/60 mm Hg. The skin, conjunctiva, and mucous membranes are pale. What additional information is important to obtain? What laboratory or diagnostic tests can the nurse anticipate the physician will order?