A formerly normotensive woman, pregnant for the first time, develops hypertension and headaches at 26 weeks' gestation. Her blood pressure is 154/110 mm Hg, and she has proteinuria
What other lab tests should be ordered for her?
A)
Plasma angiotensin I and II and renin
B)
Urinary sodium and potassium
C)
Platelet count, serum creatinine, and liver enzymes
D)
Urinary catecholamines and metabolites
Ans:
C
Feedback:
This woman shows signs and symptoms of preeclampsia. A low platelet count with elevated serum creatinine and liver enzymes would reinforce this diagnosis. The other tests might indicate kidney problems or the presence of a pheochromocytoma, but her symptoms do not indicate a need for these tests.
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