A nurse is teaching a client about the manifestations of urinary tract infection. Which of the following tests is needed to determine which microorganism is causing the infection?

Blood creatinine

Blood culture

Urine culture and sensitivity

Complete Blood Count (CBC)

Answer and Explanation

The Correct Answer is C

A. Incorrect – Blood creatinine: Measures kidney function but does not diagnose UTIs or identify the causative organism.

B. Incorrect – Blood culture: Used to detect bacteria in the bloodstream (e.g., sepsis) but does not identify a UTI-causing pathogen.

C. Correct – Urine culture and sensitivity: This test identifies the specific bacteria causing the UTI and determines which antibiotics will be most effective for treatment.

D. Incorrect – Complete Blood Count (CBC): Can show elevated WBCs, indicating infection, but does not determine the pathogen.

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Correct Answer is ["B","D"]

Explanation

A. Incorrect: Prophylactic antibiotics are not given for a diagnosed respiratory infection. Instead, targeted treatment based on the pathogen is used.

B. Correct: Clients with prosthetic heart valves need prophylactic antibiotics before dental procedures to prevent infective endocarditis.

C. Incorrect: Upper respiratory infections are often viral, and antibiotics are not routinely needed.

D. Correct: Clients undergoing orthopedic surgery may require prophylactic antibiotics to prevent surgical site infections.

A. Acyclovir B. Metronidazole C. Isoniazid D. Cefepime

Correct Answer is A

Explanation

A. Correct: Acyclovir is an antiviral medication used to treat herpes zoster (shingles) by reducing the severity and duration of symptoms.

B. Incorrect: Metronidazole is an antibacterial and antiprotozoal drug, not used for viral infections.

C. Incorrect: Isoniazid is used for tuberculosis, not herpes zoster.

D. Incorrect: Cefepime is a cephalosporin antibiotic used for bacterial infections, not viral infections.

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A nurse is teaching a client about the manifestations of urinary tract infection. Which of the following tests is needed to determine which microorganism is causing the infection?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is ["B","D"]

Explanation

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Correct Answer is A

Explanation

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