(A) On standing up
(B) On cutting the vagus nerves to the heart
(C) As a consequence of decreased pressure in the carotid sinus
(D) By increasing the end-diastolic volume of the heart
(A) On standing up
(B) On cutting the vagus nerves to the heart
(C) As a consequence of decreased pressure in the carotid sinus
(D) By increasing the end-diastolic volume of the heart