A 25-year-old female patient presents with fever, chills, and a productive cough. Sputum culture reveals Gram-positive cocci in clusters. Which of the following bacterial organisms is most likely responsible for this infection?

Klebsiella pneumoniae

Streptococcus pneumoniae

Escherichia coli

Staphylococcus aureus

Answer and Explanation

The Correct Answer is D

A.   Klebsiella pneumoniae is a Gram-negative bacterium and is typically associated with more severe pneumonia, particularly in patients with underlying lung disease, but it does not form clusters.
B.   Streptococcus pneumoniae is a common cause of pneumonia but typically appears as Gram-positive cocci in pairs or chains, not clusters.
C.   Escherichia coli is a Gram-negative bacterium that generally causes urinary tract infections and is not a common cause of pneumonia with Gram-positive cocci in clusters.
D.   Staphylococcus aureus is a Gram-positive bacterium that forms clusters and is a common cause of pneumonia, particularly in young, otherwise healthy individuals, and can present with fever, chills, and productive cough. This fits the presentation and sputum findings in this patient.

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Correct Answer is ["90"]

Explanation

Calculate the required dosage: 5 mg/kg/hour × 72 kg = 360 mg/hour.

Determine the volume required based on the concentration: 360 mg ÷ (400 mg/100 mL) = 90 mL/hour.
The correct infusion rate is 90 mL/hour for this patient.

A. Elevated ketones in the urine B. Presence of nitrites in the urine C. Low specific gravity D. Presence of glucose in the urine

Correct Answer is B

Explanation

A. Elevated ketones in the urine can indicate diabetic ketoacidosis or starvation but is not specific to a UTI.
B. Nitrites are commonly found in the urine of patients with UTIs due to bacterial conversion of urinary nitrates to nitrites. This is a hallmark finding of a UTI.
C. Low specific gravity indicates diluted urine, which is not a direct indicator of a UTI.
D. Glucose in the urine could indicate diabetes but is not a typical finding for a UTI.

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A 25-year-old female patient presents with fever, chills, and a productive cough. Sputum culture reveals Gram-positive cocci in clusters. Which of the following bacterial organisms is most likely responsible for this infection?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A patient with a severe bacterial infection has been prescribed a continuous IV infusion of an antibiotic at a rate of 5 mg/kg/hour. The patient weighs 72 kg. The pharmacy provides the antibiotic in a concentration of 400 mg/100 mL what will be the infusion rate?

Correct Answer is ["90"]

Explanation

A 30-year-old female patient presents with symptoms of dysuria, urgency, and frequency. A urinalysis is performed. Which of the following findings would most likely confirm a diagnosis of a urinary tract infection (UTI)?

Correct Answer is B

Explanation

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