According to the UDDA, a patient is legally dead if there is irreversible cessation of brain function or circulatory and respiratory function. In the provided options, the correct choice is C, where the patient has no respiratory function but whose heart is functioning, signifying they are legally dead and their organs can be donated. Conditions allowing for legal death under the UDDA help clarify the criteria for organ donation.
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According to the UDDA, a legally dead patient is one whose entire brain has irreversibly ceased functioning. In the provided scenarios, the only patient considered legally dead is the one who has no respiratory function but whose heart is functioning. This determination allows for organ donation to occur. ;