What are opportunistic infections associated with acquired immunodeficiency syndrome (AIDS)? (Select all that apply.)

Choice A reason: Obtaining a PAPR mask is not a step in preparing a sterile field. A PAPR mask is a powered airpurifying respirator that protects the wearer from airborne contaminants. It is not required for setting up a sterile field, unless the client has a highly infectious disease.

Choice B reason: Do not turn away from the sterile field is a step in preparing a sterile field. Turning away from the sterile field can contaminate the field or the items on it. The nurse should always face the sterile field and keep it in view.

Choice C reason: Add items to the sterile field by dropping them gently is a step in preparing a sterile field. Dropping items gently onto the sterile field prevents splashing or touching the field or the items. The nurse should open the sterile packages away from the field and drop the items close to the edge of the field.

Choice D reason: Covering the sterile field once it is set up is not a step in preparing a sterile field. Covering the sterile field can compromise its sterility and create moisture that can harbor microorganisms. The nurse should not cover the sterile field unless it is necessary to move it or store it for later use.

Choice E reason: Preparing the client before setting up the sterile field is a step in preparing a sterile field. Preparing the client involves explaining the procedure, obtaining consent, providing privacy, and positioning the client. The nurse should prepare the client before setting up the sterile field to avoid leaving the field unattended or exposing it to the client's body fluids.

Choice A reason: Popping bursae from standing is not the cause of the grating sound. Bursae are fluidfilled sacs that cushion the joints and reduce friction. Popping bursae may produce a snapping or clicking sound, but not a grating sound.

Choice B reason: A herniated disk in the diseased joint is not the cause of the grating sound. A herniated disk is a condition where the soft inner part of the intervertebral disk bulges out through a tear in the outer layer. A herniated disk may cause pain, numbness, or weakness, but not a grating sound.

Choice C reason: Pieces of bone and cartilage floating is the cause of the grating sound. Osteoarthritis is a degenerative joint disease that causes the breakdown of the cartilage and bone in the joints. Pieces of bone and cartilage may detach and float in the joint space, causing a grating sound when the joint moves.

Choice D reason: Years of an autoimmune process is not the cause of the grating sound. An autoimmune process is a condition where the immune system attacks the body's own tissues. An autoimmune process may cause inflammation, swelling, or damage to the joints, but not a grating sound.