The most common direct cause of acute pyelonephritis is
A) urine obstruction.
B) systemic bacteremia.
C) urethral catheterization.
D) infection by E. coli.

Question

Quizplus · Accepted Answer

Infection by E.coli is the most common cause of acute pyelonephritis.Although urine obstruction or reflux can cause acute pyelonephritis,the most common cause is infection by E.coli.Systemic bacteremia may lead to pyelonephritis,but it is not the most common direct cause.Urethral catheterization may cause infection,which could subsequently result in acute pyelonephritis,but catheterization is not the most common direct cause.

The Most Common Direct Cause of Acute Pyelonephritis Is