The nurse caring for several patients on the intermediate care unit considers which of the following patients to be most at risk for developing an infection? A patient with a/an:

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A central venous catheter is an invasive intravenous line that is advanced into the central circulation near the heart and may serve as a portal of entry for pathogens to enter a patient's body.Also a risk for infection,but to a lesser degree,an indwelling urinary catheterization may injure the fragile urethral mucosa,provide a direct pathway for pathogens into the bladder,and prevent the normal flushing of the urethra.As normal flora in the intestine that protect the body against infection,a nasoenteric tube into the gut as well as an ostomy (colostomy)are less likely to lead to infection.

The Nurse Caring for Several Patients on the Intermediate Care