Oliver was diagnosed with bi-polar disorder 10 years ago. It…

Oliver was diagnosed with bi-polar disorder 10 years ago. It has been successfully managed with lithium and he is able to work part time. Chronic use of lithium can cause hyperparathyroidism. Which of the following will he need to have checked on a regular basis while taking this medication?

A patient is in recovery after having a benign tumor removed…

A patient is in recovery after having a benign tumor removed from the cerebrum. The patient has had rapid weight gain over three days and his urine output has greatly decreased despite increased fluid intake. The specific gravity (concentration) of his urine is 1.032 (1.005 – 1.030). An electrolyte and hormone panel are ordered. What is most likely the cause of these manifestations?