Chapter 37 Urinary Tract Infections Flashcards
Exam 3
UTIs is one of the most common what?
Bacterial infections
UTIs affected men or women more?
Womens
Isolation of bacteria from the urine in significant quantities is what?
Asymptomatic bacteriuria (ASB)
This system is normally resistant to colonization and subsequent bacterial infection
Urinary system
What are some urine characteristics
Extremely high osmolarity
Low pH
Very dilute
This affects what age group due to low incidence unless GU abnormalities
Pediatrics
This affects what age group due to UTIS are associated with long-term medical problems
Adults to age 65
How can bacteria gain access to the urinary tract
Ascending route
Hematogenous route
Lymphatic pathways
Gram-positive bacteria of UTIs may enter the body by how?
Ascending route
What type of Gram-negative bacilli causes most uncomplicated UTIs?
Escherichia coli
What type of Gram-positive cocci causes UTIs?
Group B streptococci
Enterococci
Staph. sap
Staph. epidermidis
This method is the definitive method for collecting uncontaminated specimens
Suprapubic aspiration
What is the preferred amount of urine to be collected
10-20 mL
Are 24-hour collections satisfactory specimens
No they are unsatisfactory
What preservatives are used to preserve urine
Sodium borate
