2 Days Of Persistent | Nausea and Vomiting (Assessment & Diagnosis) — 34yo Woman | Endocrinology | MCCQE1 Q#13421

MCCQE1 Question #13421

Dimension of Care

Acute Care

Activity

Assessment & Diagnosis

Objective

Nausea and Vomiting

Section

Medicine / Family Medicine

Subject

Endocrinology

Last updated: February 2026
A 34-year-old woman presents to a walk-in clinic with 2 days of persistent nausea and vomiting. She has been unable to keep down food or fluids since yesterday. She denies diarrhea, abdominal pain, fever, headache, or recent travel. She takes no medications and has no known medical conditions. On examination, she appears mildly dehydrated with dry mucous membranes, and her abdominal examination is benign. Which set of serum tests is most critical to obtain immediately to assess for potentially life-threatening metabolic causes of her vomiting?
Full answer analysis and choices are available inside the practice session.