The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 72-year-old man with hypertension and type 2 diabetes mellitus is admitted to the hospital for the evaluation of breathlessness and fatigue. His pulse is 100/min, and blood pressure is 90/60 mm Hg. Further evaluation shows a systemic vascular resistance of 35 mm Hg × min/L with an end-systolic volume of 80 mL. Which of the following describes the ejection fraction in this patient?   (A) 30%   (B) 15%   (C) 25%   (D) 20%
['(D) 20% <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) 30% \n (B) 15% \n (C) 25% \n (D) 20% <> possible answers', '  A 72-year-old man with hypertension and type 2 diabetes mellitus is admitted to the hospital for the evaluation of breathlessness and fatigue. His pulse is 100/min, and blood pressure is 90/60 mm Hg. Further evaluation shows a systemic vascular resistance of 35 mm Hg × min/L with an end-systolic volume of 80 mL. Which of the following describes the ejection fraction in this patient? <> context@']