Audio Qbank – Q161 – A 31M with polycystic kidneys

 

A 31-year-old man with polycystic kidneys has a four-month history of progressive headaches, itching, and loss of appetite. His vitals are: temperature 98.6F; HR 76; RR 16; BP 160/100. Which of the following combinations of serum findings is most likely in this patient?

 

↑ PTH; ↑ HCO3; ↑ pCO2; ↓ PO43-
↑ PTH; ↑ HCO3; ↓ pCO2; ↑ PO43-
↑ PTH; ↓ HCO3; ↑ pCO2; ↓ PO43-
↑ PTH; ↓ HCO3; ↓ pCO2; ↑ PO43-
↓ PTH; ↑ HCO3; ↑ pCO2; ↓ PO43-
↓ PTH; ↑ HCO3; ↓ pCO2; ↑ PO43-
↓ PTH; ↓ HCO3; ↑ pCO2; ↓ PO43-
↓ PTH; ↓ HCO3; ↓ pCO2; ↑ PO43-

 

Cut-to-the-chase Answer (1:10):
HY USMLE Answer (4:07):