anne
Forum Elite
Topics: 41
Posts: 348
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A 60-year-old smoker with no other medical problems presents to the ER with prolonged seizures. Laboratory results are significant for a sodium level of 114, and a chest X ray reveals multiple nodules in both lung fields. Elevated levels of which of the following would best explain this patient's hyponatremia?
A. Aldosterone
B. Angiotensin II
C. Antidiuretic hormone
D. Atrial natriuretic peptide
E. Renin
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| usmleasr
Forum Guru
Topics: 105
Posts: 970
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C..ADH
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| anne
Forum Elite
Topics: 41
Posts: 348
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correct!!!
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| Amna22
Forum Newbie
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how will u explain ur answer?
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| Moctopod
Forum Elite
Topics: 14
Posts: 422
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Small cell carcinoma of the lung secreting ADH. Also called SIADH (syndrome of inappropriate ADH secretion)
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| BumbleB
Forum Junior
Topics: 2
Posts: 83
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adh would prevent him from peeing even though he's hypoosmolar (maybe obvious) 
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