Following a Class on Adverse Drug Reactions and Medication Errors

following a class on adverse drug reactions and medication errors, the students are asked to document the causes of errors. Which of the following does a student include in her list?

A) Failure to follow health care provider's orders
B) Failure to assess for allergies.
C) Failure to give a medication at the ordered time
D) Failure to clarify orders with the pharmacy
E) Failure to give the right dose of the medication