Which Cells of the Kidney Monitor NaCl Concentrations

Question

Which cells of the kidney monitor NaCl concentrations?
A) macula densa
B) mesangial cells
C) juxtaglomerular cells
D) podocytes

Accepted Answer

The macula densa cells are part of the juxtaglomerular apparatus in the kidney and specifically monitor NaCl concentrations in the filtrate of the distal convoluted tubule.