Final answer:
True. Patients should be asked about allergy history at each encounter to ensure their safety and provide appropriate medical care.
Step-by-step explanation:
True. Patients should be asked about allergy history at each encounter to ensure their safety and provide appropriate medical care. Allergies can have a significant impact on a patient's health, and knowing their allergy history can help healthcare providers make informed decisions about treatment options, medication choices, and potential allergen exposures.