Which natural physiologic process prevent bacterial infections within the client's bladder containing urine? 1 the secretions of the urothelium 2 the relaxation of the detrusor muscle 3 the contraction of the external sphincter 4 the muscle tone of the internal sphincter?

The correct answer is the secretions of the urothelium.  

Explanation:

The epithelium coating the urinary bladder surface is known as the urothelium. It is a specific kind of cell exhibiting high elasticity and numerous cellular activities. It signifies the initial line of bladder resistance and a boundary in between the defense mechanisms and pathogens. The purposes of the urothelium comprise immune responses, control of permeability, and communication between the cells that appears to perform the main role in reacting towards infections and injuries.  

and after water is usually warmed by the sun the water temperature raises and then evaporates .