An adult weighing 194 lb is brought to the Emergency Department after sustaining a thermal injury. Burns are partial and full thickness over 38% of the body surface area. According to the Parkland formula using 4 mL, what would this client's fluid requirements be for the first 24 hours after injury?
3,344 mL
13,376 mL
6,688 mL
18,796 mL
The Correct Answer is B
A. This choice is inaccurate, check rationale for choice B
B. Given:
- Weight = 194 lb
- Burn = 38% of body
- Formula = 4 mL × weight (kg) × % burned
Step 1: Convert weight to kg
194 ÷ 2.2 = 88 kg
Step 2: Multiply by 4
88 × 4 = 352
Step 3: Multiply by % burned
352 × 38 = 13,376 mL
Answer: 13,376 mL for the first 24 hours
C. This choice is inaccurate, check rationale for choice B
D. This choice is inaccurate, check rationale for choice B
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Rationale:
A. Cardiogenic shock results from heart pump failure, such as myocardial infarction or severe cardiomyopathy, leading to decreased cardiac output. This client’s history of trauma and massive blood loss makes cardiogenic shock unlikely.
B. Septic shock arises from severe infection leading to vasodilation and hypotension. This client shows no evidence of infection; the shock is acute and trauma-related.
C. Hypovolemic shock is the most likely type in this scenario. The client has severe abdominal injuries, bilateral femur fractures, and lacerations, all of which can result in massive blood loss. Clinical signs include pale, diaphoretic skin, hypotension (BP 50/40 mm Hg), tachycardia (HR 130), tachypnea (RR 36), and altered mental status (talking incoherently), reflecting inadequate perfusion and oxygen delivery to tissues. Hypovolemic shock occurs when circulating blood volume is insufficient to maintain cardiac output and tissue perfusion.
D. Neurogenic shock occurs with spinal cord injury, leading to hypotension with bradycardia and warm, dry skin due to loss of sympathetic tone. This client has tachycardia and cool, pale skin, which does not match neurogenic shock.
Correct Answer is ["C","D"]
Explanation
Rationale:
A. A temperature of 99.9°F (37.7°C) does not meet the SIRS criterion, which requires a temperature greater than 100.4°F (38°C) or less than 96.8°F (36°C). Mild elevations below this threshold are insufficient to indicate systemic inflammation.
B. A heart rate of 85 beats/min is within the normal adult range. SIRS requires tachycardia >90 beats/min, so this finding does not meet the diagnostic criteria for SIRS.
C. A respiratory rate of 24 breaths/min meets the SIRS criterion of tachypnea >20 breaths/min. Tachypnea is an early physiological response to systemic inflammation, reflecting increased oxygen demand and compensatory mechanisms to maintain tissue perfusion.
D. A WBC count of 15,000 cells/mm³ indicates leukocytosis, which fulfills the SIRS criterion of WBC >12,000/mm³. Elevated WBC reflects activation of the immune system and systemic inflammation, a hallmark of SIRS.
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