A 64-Year-Old Man with a Long-Standing History of Hypertension Is

A 64-year-old man with a long-standing history of hypertension is brought to the emergency department with a dry cough and shortness of breath.  The patient has been unable to sleep in the flat position for the past 2 days.  Blood pressure is 192/102 mm Hg and pulse is 92/min and regular.  Physical examination reveals an S4 and bibasilar crackles.  He is started on intravenous nitroglycerin infusion and soon after reports significant symptomatic relief.  Which of the following physiologic changes are most likely to occur following administration of this medication?

A) A
B) B
C) C
D) D
E) E
F) F
G) G

Correct Answer:

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