A 65-year-old woman receives 3 liters of 0.9% saline following a minor surgical procedure. This results in increased right atrial filling and contract

[Kathryn]

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A 65-year-old woman receives 3 liters of 0.9% saline following a minor surgical procedure. This results in increased right atrial filling and contraction. Which of the following is most likely to be secreted in response?
(A) Aldosterone
(B) Antidiuretic hormone (ADH)
(C) Atrial natriuretic factor (ANF)
(D) Norepinephrine
(E) Renin