Final answer:
The most helpful documentation sample to share assessment findings and pain relief interventions is option 3) "1600: Patient reports sharp pain in left chest radiating to neck. Morphine sulfate 5 mg administered IM in right deltoid."
Step-by-step explanation:
The most helpful documentation sample to share assessment findings and pain relief interventions is option 3) "1600: Patient reports sharp pain in left chest radiating to neck. Morphine sulfate 5 mg administered IM in right deltoid." This documentation provides the most specific and detailed information about the patient's pain location and the specific intervention given. It also includes the route of administration (IM) and the specific dosage of the medication.