The first step in urine formation is when blood pressure forces protein-free plasma out of glomerular capillaries and into ____.
A) Bowman's capsule
B) the loop of Henle
C) the proximal tubule
D) the distal tubule
E) the plasma

Question

The first step in urine formation is when blood pressure forces protein-free plasma out of glomerular capillaries and into ____.  
A) Bowman's capsule
B) the loop of Henle
C) the proximal tubule
D) the distal tubule
E) the plasma

Quizplus · Accepted Answer

The first step in urine formation is filtration, which occurs in the Bowman's capsule. Blood pressure forces protein-free plasma out of glomerular capillaries and into Bowman's capsule, which leads to the formation of the primary urine.

The First Step in Urine Formation Is When Blood Pressure