A nurse is caring for a client with a suspected wound infection. Before administering the prescribed antibiotic, the nurse obtains a wound culture. Which rationale best explains this nursing action?

To evaluate the client’s immune response to the infection

To confirm that the wound is infected before starting treatment.

To identify the microorganism causing the infection and determine the most effective abiotic therapy

To prevent the development of antibiotic resistance in the hospital environment

Answer and Explanation

The Correct Answer is C

A. To evaluate the client’s immune response to the infection: A wound culture does not measure the immune response. Laboratory tests like white blood cell count or antibody titers are used to assess immune function, not cultures.

B. To confirm that the wound is infected before starting treatment: While a culture can provide evidence of infection, clinicians often start empiric antibiotics based on clinical signs. The primary purpose of the culture is to guide targeted therapy, not simply to confirm infection.

C. To identify the microorganism causing the infection and determine the most effective antibiotic therapy: Obtaining a culture allows for identification of the specific pathogen and antibiotic sensitivity testing. This ensures that the prescribed antibiotic is appropriate and effective, reducing treatment failure and minimizing resistance.

D. To prevent the development of antibiotic resistance in the hospital environment: While targeted antibiotic therapy helps reduce resistance, the main reason for performing a wound culture is to select the correct antibiotic, not solely to prevent resistance in the environment.

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Correct Answer is B

Explanation

A. “I’m glad to hear that. Keep the remaining medication in case your symptoms come back.”Stopping the medication early can prevent full healing and may lead to symptom recurrence or incomplete treatment of the underlying condition. Keeping leftover medication without completing the course is unsafe.

B. “I’m glad to hear that. Continue with your medication until it is all done. We can set a follow-up appointment next month.”Completing the prescribed course ensures adequate healing of gastric or duodenal ulcers and reduces the risk of recurrence. Scheduling follow-up allows assessment of treatment effectiveness and monitoring for side effects.

C. "I'm glad to hear that. Go ahead and discontinue the medication and schedule a follow-up for next month."Discontinuing the medication early, even if symptoms have resolved, can result in incomplete treatment and possible recurrence of ulcers or acid-related issues. Continuing the full course is necessary.

D. "I'm glad to hear that. You should be clear to reintroduce all the food items we eliminated during your treatment."Dietary modifications are individualized. Abruptly reintroducing all restricted foods without guidance may trigger symptom recurrence. Education should include gradual reintroduction and monitoring tolerance.

A. Polyethylene glycol, an osmotic laxative B. Omeprazole, a proton pump inhibitor C. Loperamide, an opioid D. Ondansetron, a selective 5-HT3 receptor antagonist given 30 minutes before chemotherapy

Correct Answer is D

Explanation

A. Polyethylene glycol, an osmotic laxative:Polyethylene glycol is used to treat constipation by drawing water into the intestines. It does not prevent chemotherapy-induced nausea or vomiting and is not effective for this purpose.

B. Omeprazole, a proton pump inhibitor:Omeprazole decreases gastric acid production and is used for gastroesophageal reflux or ulcers. It does not prevent chemotherapy-induced nausea or vomiting and is not indicated for prophylaxis.

C. Loperamide, an opioid:Loperamide is an antidiarrheal that slows intestinal motility. It does not prevent nausea or vomiting related to chemotherapy and is not used for this purpose.

D. Ondansetron, a selective 5-HT3 receptor antagonist given 30 minutes before chemotherapy:Ondansetron blocks serotonin receptors in the chemoreceptor trigger zone and gastrointestinal tract, preventing nausea and vomiting. Administering it 30 minutes before chemotherapy provides effective prophylaxis, in patients with severe chemotherapy-induced nausea and vomiting.

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A nurse is caring for a client with a suspected wound infection. Before administering the prescribed antibiotic, the nurse obtains a wound culture. Which rationale best explains this nursing action?

Nursing Test Bank

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