The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 55-year-old man presents with complaints of exertional dyspnea and dry cough. He reports using extra pillows at night to sleep and two nighttime awakenings to catch his breath in the last month. The patient lives in a homeless shelter and has not seen a doctor in the last 20 years. He has been drinking 5-8 drinks of alcohol per day for the last 20 years. Family history is non-significant, and the patient does not take any medications. His temperature is 37.1°C (98.9°F), blood pressure is 135/115 mm Hg, pulse is 85/min, and respiratory rate is 24/min. Physical examination reveals 2+ bilateral pitting edema. Chest auscultation reveals bibasilar crackles. Which of the following is associated with this patient’s condition?   (A) Decreased glomerular filtration rate (GFR)   (B) Decreased extracellular fluid (ECF) volume   (C) Increased renal blood flow   (D) Increased renal tubular sodium reabsorption
['(D) Increased renal tubular sodium reabsorption <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Decreased glomerular filtration rate (GFR) \n (B) Decreased extracellular fluid (ECF) volume \n (C) Increased renal blood flow \n (D) Increased renal tubular sodium reabsorption <> possible answers', '  A 55-year-old man presents with complaints of exertional dyspnea and dry cough. He reports using extra pillows at night to sleep and two nighttime awakenings to catch his breath in the last month. The patient lives in a homeless shelter and has not seen a doctor in the last 20 years. He has been drinking 5-8 drinks of alcohol per day for the last 20 years. Family history is non-significant, and the patient does not take any medications. His temperature is 37.1°C (98.9°F), blood pressure is 135/115 mm Hg, pulse is 85/min, and respiratory rate is 24/min. Physical examination reveals 2+ bilateral pitting edema. Chest auscultation reveals bibasilar crackles. Which of the following is associated with this patient’s condition? <> context@']