Which of the following nursing interventions is most important during a lung scan? 1. Reassure the client about the amount of radiation from the procedure. 2. Coach the client to hold his or her...

Which of the following nursing interventions is most important during a lung scan?

1. Reassure the client about the amount of radiation from the procedure.

2. Coach the client to hold his or her breath at times during the procedure.

3. Administer sedative or narcotic as per orders before the procedure.

4. Aid the client to rest arms and head on a pillow during the procedure.