Six hours after a thermal burn, the nurse obtains the following assessment data for a patient who weighs 70 kg and has a 50% total body surface area (TBSA) burn. Which information is most important to communicate to the health care provider?
Serous exudate is leaking from the burns.
Urine output is 20 mL per hour for the past 2 hours.
Pulse rate of 104.
Blood pressure is 94/46 per arterial line.
The Correct Answer is B
A. Serous exudate is leaking from the burns: Serous exudate is expected in the first hours after a thermal burn as part of the inflammatory response and capillary permeability. While it should be monitored for infection risk, it is not immediately life-threatening.
B. Urine output is 20 mL per hour for the past 2 hours: Oliguria is a critical indicator of inadequate perfusion and potential hypovolemic shock, especially in a patient with 50% TBSA burns who is in the fluid-shift phase. Low urine output signals insufficient renal perfusion and the need to adjust fluid resuscitation promptly, making it the most important data to report.
C. Pulse rate of 104: Mild tachycardia is expected after burns due to pain, stress, and fluid shifts. While it should be monitored, it is less immediately critical than evidence of organ hypoperfusion such as low urine output.
D. Blood pressure is 94/46 per arterial line: Hypotension in a burn patient is concerning, but early post-burn hypotension can be partially compensated by tachycardia. Urine output provides a more sensitive and direct measure of end-organ perfusion, which takes priority in communication with the provider.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Coumadin: Coumadin (warfarin) is an oral anticoagulant that inhibits vitamin K–dependent clotting factors. It is not effective in reversing the anticoagulant effects of heparin and would not be appropriate in the event of a heparin overdose.
B. Protamine sulfate: Protamine sulfate is a heparin antagonist that binds to heparin to form a stable complex, neutralizing its anticoagulant effect. It is administered intravenously and acts rapidly, making it the drug of choice for treating heparin overdose or excessive anticoagulation.
C. Enoxaparin: Enoxaparin is a low-molecular-weight heparin and functions similarly to unfractionated heparin by enhancing antithrombin III activity. It is not an antidote and would worsen anticoagulation if administered during a heparin overdose.
D. Vitamin K: Vitamin K is used to reverse the effects of vitamin K–dependent anticoagulants such as warfarin. It has no direct effect on heparin-induced anticoagulation and is not suitable for managing heparin overdose.
Correct Answer is B
Explanation
A. Providing oral fluids: While fluid replacement is important in burn victims, oral intake in the prehospital setting may be limited by airway compromise, nausea, or altered consciousness. Immediate fluid resuscitation is often deferred until intravenous access is established in a controlled setting.
B. Stopping the burning process: The priority in prehospital burn care is to halt the source of injury to prevent further tissue damage. This may involve extinguishing flames, removing the patient from hot surfaces, or chemical decontamination. Controlling the burn source directly limits injury progression and is the first and most critical intervention.
C. Covering with warm blankets: Covering the patient helps prevent hypothermia, which is a significant concern in extensive burns, but it is a secondary action after ensuring the burn source is eliminated. Warm blankets support stabilization but do not stop ongoing tissue damage.
D. Giving morphine: Pain management is essential, but analgesics do not prevent further injury. Administering morphine is secondary to stopping the burn source, securing the airway, and stabilizing the patient. Pain control is provided once the patient is safe from ongoing harm.
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