It says the urine has increased osmolality and plasma decreased osmolality, but in DI, when there is no ADH it should be the opposite, urine diluted and plasma concentrated. Please give feedback
USMLE Step 1 Community
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27 Apr 2025
Mistake on vignette
Question:
A 30-year-old woman presents to the clinic with frequent urination and excessive thirst for the past two months. Physical examination reveals no significant findings. Laboratory tests show a normal glucose level, but significantly increased urine osmolality and decreased plasma osmolality. Which of the following substances most likely stimulate the synthesis and release of the hormone responsible for her presenting symptoms?
Options:
A)Sodium ions
B)Potassium ions
C)Protein
D)Epinephrine
E)Alcohol
Mistake on vignette
Question:
A 30-year-old woman presents to the clinic with frequent urination and excessive thirst for the past two months. Physical examination reveals no significant findings. Laboratory tests show a normal glucose level, but significantly increased urine osmolality and decreased plasma osmolality. Which of the following substances most likely stimulate the synthesis and release of the hormone responsible for her presenting symptoms?
Options:
A)Sodium ions
B)Potassium ions
C)Protein
D)Epinephrine
E)Alcohol