What is the primary purpose of keeping the catheter drainage system closed?

Prepare for the Mark Klimek Blue Book Part 1 Exam. Study with multiple choice questions, flashcards, and comprehensive explanations. Get ready for your nursing exam!

The primary purpose of keeping the catheter drainage system closed is to avoid contact with bacteria. A closed catheter system is a crucial part of infection control measures in healthcare settings. When the system is kept closed, it minimizes the risk of introducing pathogens into the urinary tract, which can lead to catheter-associated urinary tract infections (CAUTIs).

Maintaining sterility by preventing exposure to external contaminants is essential, as the urinary tract is typically a sterile environment. If bacteria are allowed to enter the system, they can multiply and lead to significant complications, including infections that may require additional treatment or hospitalization.

While the other options touch on relevant aspects of catheter management, such as maintaining urinary output and reducing false readings, these are secondary to the primary goal of infection prevention. The closed system is fundamentally designed to protect against the entry of bacteria, highlighting the importance of maintaining a sterile and safe environment for patients with indwelling catheters.

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