Problem: The preceptor reinforces the rights of medication administration and administration of insulin injections with a new nurse. When the new nurse administers the injection to a frail and thin client, which actions by the nurse indicate a need for further teaching? Need Assignment Help? Select all that apply. Options: A. Pinches subcutaneous tissue before administering the injection. B. Documents in the chart, "Injection given." C. Pulls the plunger back to check for blood return. D. Inserts the needle at a 90-degree angle. E. Verifies the subcutaneous route before administering the injection.