# A client with orthopnea is to receive enteral feeding with the head elevated 30–45 degrees. During a supervised positioning trial, the nurse also monitors blood pressure. Click the position that meets the prescribed angle and gives the best recorded oxygenation without hypotension.

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> language: en  
> subject: Basic Care and Comfort  
> category: BCC

## Question

A client with orthopnea is to receive enteral feeding with the head elevated 30–45 degrees. During a supervised positioning trial, the nurse also monitors blood pressure. Click the position that meets the prescribed angle and gives the best recorded oxygenation without hypotension.

![](https://mymerci.kr/data/nclex/hotspot/regen_20260908_2350/HSR543.svg)

## Explanation

C is at 40 degrees with SpO2 96% and maintained blood pressure.

## In-depth explanation

Quick answer
C. C is at 40 degrees with SpO2 96% and maintained blood pressure.
Why this is the best choice
Read the angle against the reference rays, then compare both oxygenation and blood pressure. The highest saturation alone is not the best choice when that position lies outside the prescribed range and produces hypotension.
Clinical picture
The observations are fictional teaching data. Apply the stated context; the selected feature does not by itself replace a complete bedside assessment.
Memory hook
Choose the position that satisfies the care plan and the client’s observed tolerance.
Decision rule
Choose the position that satisfies the care plan and the client’s observed tolerance.
Why the other regions do not fit
A is below 30 degrees. B is within range but has lower recorded saturation than C with a similar pressure. D has the highest saturation but exceeds 45 degrees and lowers BP to 86/50.
**Sources**
- Head elevation is part of aspiration prevention during enteral feeding; this case explicitly states the prescribed angle.

## Key concepts

- **Position angle and competing hemodynamic response** — Choose the position that satisfies the care plan and the client’s observed tolerance.
- **Comparison with context** — D appears best if saturation is considered alone, but it fails the other two conditions.

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