Which of the following are the most common pathogens causing Urinary Tract Infections (UTIs)?
Proteus mirabilis
Escherichia coli
Staphylococcus saprophyticus
Klebsiella peumoniae
The Correct Answer is B
A. Proteus mirabilis: While Proteus mirabilis is a recognized cause of UTIs, especially in catheterized patients or those with structural abnormalities, it is not the most common pathogen overall.
B. Escherichia coli: E. coli is by far the most common pathogen responsible for urinary tract infections, accounting for approximately 80–90% of uncomplicated UTIs due to its ability to adhere to the uroepithelium with fimbriae.
C. Staphylococcus saprophyticus: This organism is a common cause of UTIs in sexually active young women, but overall it is much less prevalent than E. coli across all age groups and sexes.
D. Klebsiella pneumoniae: Although K. pneumoniae can cause UTIs, particularly in hospitalized or immunocompromised patients, it is not as frequently encountered as E. coli in community-acquired cases.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Changing an IV: This procedure involves standard precautions to avoid bloodborne infections, not primarily fecal-oral infections like hepatitis A. It is more relevant to viruses such as hepatitis B and C.
B. Disposing of food trays: While hygiene in food service is important, the nurse’s direct role in disposing of trays does not significantly contribute to HAV prevention. HAV is transmitted primarily through the fecal-oral route rather than leftover food on trays.
C. Emptying bed pans: Hepatitis A is spread via the fecal-oral route. Handling feces, especially without strict hand hygiene and appropriate protective equipment, poses a high risk for transmission. Therefore, careful attention is needed during this activity to prevent spread.
D. Taking an oral temperature: This involves mucosal contact but carries minimal risk of spreading hepatitis A, especially when using disposable covers and practicing standard precautions. It is not a primary concern for fecal-oral transmission.
Correct Answer is ["B","D"]
Explanation
A. Traveling abroad recently: While international travel can expose individuals to infectious diseases, it is not the most concerning factor in this case compared to his communal living situation.
B. Living in a large, crowded communal setting: Crowded living conditions significantly increase the risk of meningitis transmission, especially for bacterial types like Neisseria meningitidis which spread via respiratory droplets.
C. An infection of the brain tissue, typically due to a virus or bacteria: This describes encephalitis, not meningitis. Meningitis affects the protective membranes, not the brain tissue itself.
D. An inflammation of the protective membranes around the brain and spinal cord (meninges): This is the correct definition of meningitis and is the pathological hallmark of the disease.
E. Having an allergy to medications: Having an allergy to medications is important for safe patient care and medication administration, but it is not a risk factor for acquiring meningitis.
F. An inflammation of the lungs caused by a viral or bacterial infection: This describes pneumonia, not meningitis. It is unrelated to the direct cause of meningitis.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.