Certified Pediatric Emergency Nurse (CPEN) Practice Exam 2025 – All-in-One Guide to Master Your Certification!

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What clinical sign is commonly associated with dehydration in children?

Weight gain.

Dry mucous membranes.

Dry mucous membranes are a key clinical sign indicating dehydration in children. When a child's body loses fluids, either due to insufficient intake or excessive loss from vomiting, diarrhea, or other causes, the mucous membranes in the mouth, as well as other areas, lose moisture. This dryness is often one of the first observable signs of dehydration during a physical examination. Healthcare providers check the oral mucosa, lips, and other areas that should normally appear moist and hydrated; when they are dry, it suggests a deficit of fluids in the body.

The presence of dry mucous membranes is particularly important because it can provide a quick visual assessment, indicating the need for further evaluation and potential fluid replacement. Assessing hydration status in children is critical, as they are at a higher risk for rapid deterioration due to fluid loss compared to adults.

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Increased urinary output.

Bright red cheeks.

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