A culture is obtained when a patient has a bladder infection for the purpose of:
Selecting the correct dose of medication.
Determining the prognosis of the disease.
Ruling out an infectious process.
Growing and identifying causative organisms.
The Correct Answer is D
A. Selecting the correct dose of medication: Dosing is determined based on the drug, patient factors, and organism sensitivity, not by the culture itself.
B. Determining the prognosis of the disease: A culture is diagnostic, not prognostic.
C. Ruling out an infectious process: A culture is performed to confirm and identify the organism causing an infection, not to rule it out.
D. Growing and identifying causative organisms. A culture is obtained to identify the specific microorganism causing the infection so that appropriate treatment can be prescribed.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Eat or drink nothing after midnight: Relevant for other procedures (e.g., fasting for CT or surgery), but not for ultrasonography.
B. Empty the bladder fully: Counterproductive, as a full bladder is needed for optimal imaging.
C. Drink a liter of water. A full bladder is often necessary for abdominal ultrasonography to improve visualization of pelvic structures and other areas.
D. Use enemas at home to clear the bowel fully: Not necessary unless specified for certain types of imaging like colonoscopies.
Correct Answer is D
Explanation
A. Rinse the exudate on the swab with normal saline: This would dilute or remove microorganisms, compromising the sample.
B. Rotate the swab vigorously in the wound bed: While swabbing the wound bed is correct, it should be done gently to avoid damaging tissue or affecting results.
C. Use clean gloves: Sterile gloves are required to prevent contamination of the specimen.
D. Place the swab in the culture tube without touching any other surface. Ensuring the swab does not touch other surfaces prevents contamination of the specimen.
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