How Do Bacteria Gain Access to the Urinary Tract

Multiple Choice

How do bacteria gain access to the urinary tract?

A) The bacteria come from systemic blood that is filtered through the kidney.
B) The bacteria travel from the lymph adjacent to the bladder and kidneys.
C) The bacteria ascend up the urethra into the bladder or up the ureters into the kidney.
D) The bacteria colonize the bladder when urine is static.