A 32-year-old male patient sustains 78% TBSA burn and is currently admitted to the burn unit. Which sequential order would the nurse arrange the events involved in burn shock following a patient's exposure to burns?
Decreased blood volume
Increased Increased vascular permeability
peripheral resistance
Development of edema
The Correct Answer is A,B,D,C
A. Decreased blood volume: Burn injuries can lead to fluid loss, primarily through damaged skin. This fluid loss causes a decrease in blood volume, leading to hypovolemia. Hypovolemia contributes to decreased cardiac output and tissue perfusion.
B. Increased vascular permeability: Burn injuries cause an inflammatory response, leading to increased vascular permeability. This increased permeability allows fluid, electrolytes, and proteins to leak from the intravascular space into the interstitial space.
C. Development of edema: The increased vascular permeability and fluid leakage lead to the development of edema. Edema occurs as fluid accumulates in the interstitial spaces, further contributing to tissue swelling and compromised perfusion.
D. Increased peripheral resistance: In response to decreased blood volume and tissue hypoperfusion, the body activates compensatory mechanisms to maintain blood pressure and tissue perfusion. One of these mechanisms is increased peripheral resistance, which occurs as blood vessels constrict to maintain blood pressure. Increased peripheral resistance helps redirect blood flow to vital organs but also contributes to increased workload on the heart.
Therefore, the correct sequential order of events involved in burn shock following a patient's exposure to burns is:
A. Decreased blood volume B. Increased vascular permeability D. Development of edema C. Increased peripheral resistance
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["9"]
Explanation
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Doseinmcg/min=2mcg/kg/min×60kg=120mcg/min
Convert this to mg/min since the concentration is in mg:
120mcg/min=0.12mg/min120 \text{ mcg/min} = 0.12 \text{ mg/min}120mcg/min=0.12mg/min
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Determine the concentration of Dopamine:
- Total amount of Dopamine: 200 mg in 250 mL of saline
- Concentration:
Concentration=200mg250mL=0.8mg/mL\text{Concentration} = \frac{200 \text{ mg}}{250 \text{ mL}} = 0.8 \text{ mg/mL}Concentration=250mL200mg=0.8mg/mL
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Calculate the pump rate in mL/min:
To find the rate in mL/min needed to deliver 0.12 mg/min:
Pumprate=Desireddose(mg/min)Concentration(mg/mL)\text{Pump rate} = \frac{\text{Desired dose (mg/min)}}{\text{Concentration (mg/mL)}}Pumprate=Concentration(mg/mL)Desireddose(mg/min)
Pumprate=0.12mg/min0.8mg/mL=0.15mL/min\text{Pump rate} = \frac{0.12 \text{ mg/min}}{0.8 \text{ mg/mL}} = 0.15 \text{ mL/min}Pumprate=0.8mg/mL0.12mg/min=0.15mL/min
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Convert the pump rate to mL/hour:
Multiply by 60 to convert from mL/min to mL/hour:
Pumprate=0.15mL/min×60min/hour=9mL/hour\text{Pump rate} = 0.15 \text{ mL/min} \times 60 \text{ min/hour} = 9 \text{ mL/hour}Pumprate=0.15mL/min×60min/hour=9mL/hour
So, you should set the pump to deliver Dopamine at a rate of 9 mL/hour.
Correct Answer is D
Explanation
In septic shock, prompt administration of antibiotics is crucial in order to target the underlying infection and prevent further progression of the septic process. Antibiotics help to eradicate the causative organisms and reduce the bacterial load, which can help improve patient outcomes.
While all the options mentioned are important interventions in the management of septic shock, initiating antibiotic therapy is considered a priority in order to address the underlying infection and prevent sepsis-related complications.
A. Giving a 2000 mL normal saline bolus in (option A) is incorrect because: Fluid resuscitation is important in septic shock to restore intravascular volume, but antibiotic therapy takes precedence as it directly targets the underlying infection.
B. Starting an insulin drip to maintain blood glucose at 110 to 150 mg/dL in (option B) is incorrect because Glycemic control is important in septic shock, but it is not the first priority compared to addressing the infection.
C. Giving acetaminophen (Tylenol) 650 mg rectally in (option C) is incorrect because Antipyretic medications can help reduce fever, but they do not address the underlying infection or stabilize the patient's condition.
E. Starting norepinephrine (Levophed) to keep systolic blood pressure >90 mm Hg in (option E) is incorrect because: Vasopressor support may be necessary in septic shock to maintain adequate blood pressure, but initiating antibiotics takes priority in order to address the underlying infection.
Therefore, in a patient with septic shock presenting with the given signs and symptoms, the nurse should first implement the intervention of giving the prescribed antibiotics to target the underlying infection.
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