Prоsecutiоn оf Geenа for poisoning her husbаnd, Pаt. Immediately before he died, Pat’s doctor diagnosed Pat with a fatal case of food poisoning so severe, Pat would not live through the night. However and miraculously, the treating doctor stabilized Pat, saying afterwards: “That was close; glad you are completely on the mend now. Where did you get the ube cheesecake?” Pat responded, “I remember thinking Geena gave it to me.” The treating doctor is called by the prosecution to testify for the purpose of proving Geena supplied Pat with the ube cheesecake, which the government claims was poisoned. Which of the following statements is most accurate?