American Association of Critical-Care Nurses (AACN) Certification Practice Test

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Prepare for the AACN Certification Test. Study with flashcards and multiple choice questions, each question comes with hints and explanations. Get ready for your exam!

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When should half of the total fluid calculated by the Parkland formula be given?

In the first hour
In the first 8 hours
In the first 12 hours
In the first 16 hours

The correct answer is: In the first 8 hours

The Parkland formula is used to estimate the fluid resuscitation needs of patients with severe burns. According to the formula, the total fluid requirement in the first 24 hours is calculated based on the patient's weight in kilograms and the percentage of burn injury. The critical detail is that half of the total calculated fluid volume should be administered in the first 8 hours after the burn injury occurs. This timing is crucial for effective resuscitation. Immediate and adequate fluid replacement helps to maintain tissue perfusion, prevent shock, and reduce the risk of complications associated with burn injuries. Monitoring and adjusting the fluid administration based on the patient’s response is also essential during this initial period. Since the total amount is given over 24 hours, administering half in the first 8 hours reflects the urgency of addressing the fluid loss due to burns, as well as the body's significant deficit during this initial phase of resuscitation.