A Client Diagnosed with Acquired Immune Deficiency Syndrome Is Admitted

A client diagnosed with acquired immune deficiency syndrome is admitted for pneumocystis carinii pneumonia. In which of the following situations should the nurse intervene?

A) A medical technician wears a pair of gloves to obtain a blood sample from the client.
B) The LPN takes the client's blood pressure wearing gloves and a mask.
C) A maintenance staff cleans spilled blood with a household bleach diluted in water.
D) The nurse student washes her hands before and after contact with the client.