There has been an increase in medication errors and prescribing errors for laboratory tests in the emergency department. The nurse manager is conducting a staff education session on when to use "read-back" procedures. "Read-back" procedures should be performed in which situations? Select All That Apply.

When the agency uses computerized healthcare records

When any verbal or phone prescription is received.

Whenever a written prescription or printed critical test result is received

When a medication prescription or critical laboratory result is received verbally or over the telephone.

When the unit secretary takes a phone prescription