A patient experiences a gasoline tank fire when riding a motorcycle and is admitted to the emergency department (ED. with partial-thickness burns on the anterior surfaces of both lower extremities. Which percentage of body surface area should the nurse document in the electronic medical record (EMR)?
18%.
45%.
9%.
36%.
The Correct Answer is A
Choice A reason: This is the correct answer. According to the rule of nines, each leg accounts for 18% of the total body surface area, and the anterior surface of each leg accounts for half of that, or 9%. Therefore, the patient has partial-thickness burns on 9% + 9% = 18% of the body surface area.
Choice B reason: This is incorrect. This would be the case if the patient had partial-thickness burns on the anterior and posterior surfaces of both legs, as well as the head and neck, which is not given in the question.
Choice C reason: This is incorrect. This would be the case if the patient had partial-thickness burns on the anterior surface of only one leg, which is not given in the question.
Choice D reason: This is incorrect. This would be the case if the patient had partial-thickness burns on the anterior and posterior surfaces of both legs, which is not given in the question.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A: Administering a half dose now is not a safe instruction for the nurse to provide, as this can result in overdosing or underdosing the infant, depending on how much of the medicine was absorbed or expelled. This is a contraindicated choice.
Choice B: Giving another dose is not a prudent instruction for the nurse to provide, as this can cause digoxin toxicity, which can be life-threatening for the infant. This is another contraindicated choice.
Choice C: Mixing the next dose with food is not a relevant instruction for the nurse to provide, as this does not address the current situation and can affect the absorption and effectiveness of digoxin. This is a distractor choice.
Choice D: Withholding this dose is a sensible instruction for the nurse to provide, as this can prevent adverse effects and allow the infant's serum digoxin level to be checked before giving another dose. Therefore, this is the correct choice.
Correct Answer is C
Explanation
Choice C is correct because providing supplemental oxygen is the first action that the nurse should take for a client who has a suspected pulmonary embolus. A pulmonary embolus is a life-threatening condition that occurs when a blood clot travels to the lungs and blocks the blood flow, causing hypoxia and respiratory distress. The nurse should administer oxygen to improve the client's oxygenation and prevent further complications.
Choice A is incorrect because notifying the healthcare provider is not the first action that the nurse should take for a client who has a suspected pulmonary embolus. The nurse should notify the healthcare provider after providing supplemental oxygen and assessing the client's vital signs and symptoms.
Choice B is incorrect because preparing a continuous heparin infusion per protocol is not the first action that the nurse should take for a client who has a suspected pulmonary embolus. Heparin is an anticoagulant that can prevent further clot formation and reduce the risk of recurrence, but it does not dissolve existing clots or improve oxygenation. The nurse should prepare a heparin infusion after obtaining a prescription from the healthcare provider and confirming the diagnosis with diagnostic tests.
Choice D is incorrect because bringing the emergency crash cart to the bedside is not the first action that the nurse should take for a client who has a suspected pulmonary embolus. The emergency crash cart contains equipment and medications that can be used in case of cardiac arrest or other emergencies, but it does not address the immediate need of oxygenation. The nurse should bring the emergency crash cart to the bedside after providing supplemental oxygen and assessing the client's condition.
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