Cardiovascular Drugs USMLE Step 1 Practice Question
A 30-year-old woman is brought to the emergency department because of severe headache and vomiting that started after she was hiking in the mountains at high altitude. She normally lives in a city that is close to sea level. Therapy is initiated with a drug that alkalinizes the urine. Which of the following is the most likely site of action of this drug in the kidney?
Answer choices
- AProximal convoluted tubuleCorrect answer
- BAscending loop of Henle
- CGlomerulus
- DCollecting ducts
- EEarly distal convoluted tubule
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