The nurse is assigned to care for the client diagnosed with cytomegalovirus retinitis and acquired..

The nurse is assigned to care for
the client diagnosed with cytomegalovirus retinitis and acquired
immunodeficiency syndrome (AIDS) who is receiving foscarnet. The nurse should
monitor the results of which laboratory study while the client is taking this medication?

1. CD4 + cell count 2. Lymphocyte
count 3. Serum albumin level 4. Serum creatinine level