# Stage 2 — Analyze cues. For each finding, identify the conclusion it most directly supports.

> source: MyMerci (mymerci.kr)  
> url: https://mymerci.kr/pages/nclex_q.php?qn_id=568865&lang=en  
> language: en  
> subject: Reduction of Risk Potential  
> category: ROR

## Question

Stage 2 — Analyze cues. For each finding, identify the conclusion it most directly supports.

|  | Urinary infection | Systemic hypoperfusion | Acute kidney dysfunction | Obstructed source requiring control |
| --- | --- | --- | --- | --- |
| Nitrites, bacteria, and pyuria |  |  |  |  |
| MAP 59 with lactate 4.6 mmol/L |  |  |  |  |
| Creatinine 2.0 mg/dL with oliguria |  |  |  |  |
| Hydronephrosis proximal to an 8-mm ureteral stone |  |  |  |  |

## Explanation

Nitrites and pyuria support urinary infection, elevated lactate with hypotension supports tissue hypoperfusion, rising creatinine with oliguria indicates acute kidney dysfunction, and hydronephrosis above a ureteral stone identifies an obstructed source requiring urgent control.

## In-depth explanation

Quick answer
Link the urine to infection, lactate and MAP to perfusion, creatinine and urine output to kidney injury, and hydronephrosis to obstruction.

Why this is correct
Each data pair answers a different clinical question and together explains why antibiotics alone may be insufficient without drainage.

Easy analogy or mental picture
Identify the germ signal, the circulation signal, the injured organ, and the blocked exit.

Memory hook
Infection plus low flow plus organ injury plus obstruction equals urgent source control.

NCLEX decision rule
Analyze clustered findings by function instead of treating one laboratory value as the entire diagnosis.

Why the other choices are wrong
Urinalysis does not measure perfusion, lactate does not locate the obstruction, and hydronephrosis does not independently quantify kidney function.

References
1Surviving Sepsis Campaign International Guidelines for Adults 2026Recognition, cultures, lactate, immediate antimicrobials, crystalloid reassessment, MAP target, norepinephrine, and source control

## Clinical scenario

Case update
Laboratory and imaging data are reviewed to connect the suspected infection with perfusion failure and a source requiring intervention.

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