Final answer:
The SAMPLE component for assessing immunization status is Past medical history. It helps understand a patient's potential immunity and inform medical decisions.
Step-by-step explanation:
The component of SAMPLE that assesses immunization status is d) Past medical history. SAMPLE is a mnemonic device used by emergency medical services, paramedics, and other health professionals to obtain a patient's medical history during the patient-assessment process. Specifically, immunization status would be part of one's past medical history, as vaccinations are medical interventions that have happened in the past. Assessing a patient's immunization status is essential for understanding potential immunity to certain diseases or conditions and for making informed medical decisions.