You are a nurse and are participating in your normal clinical rotation at a hospital emergency department (ED) in a rural area. It is a typical afternoon shift when suddenly a large group of patients start flooding into the ED exhibiting symptoms of acute poisoning. The emergency team quickly determines that the cause is an organophosphate disaster. Patients are presenting with symptoms of organophosphate poisoning. What would you expect these symptoms to be and what would you expect the pharmacological interventions to be?
Dilated pupils, excessive sweating, respiratory distress, increased salivation, urination and defecation: treatment: 2-PAM and adenosine
Pinpoint pupils, excessive sweating, respiratory distress, increased salivation, urination and defecation: treatment: 2-PAM and amiodarone
Pinpoint pupils, excessive sweating respiratory distress, increased salivation, urination and defecation: treatment: 2-PAM and atropine
Pinpoint pupils, excessive sweating, respiratory distress, increased salivation, urination and defecation treatment: 2-PAM and adenosine
The Correct Answer is C
Rationale:
A. Organophosphate poisoning causes pinpoint pupils (miosis), not dilated pupils. Although the excessive secretions and respiratory distress are consistent with cholinergic toxicity, adenosine is used for cardiac arrhythmias and does not treat organophosphate poisoning or reverse acetylcholine buildup.
B. The symptoms listed are consistent with organophosphate poisoning; however, amiodarone is an antiarrhythmic medication and does not address the underlying cause of toxicity. It does not reverse acetylcholinesterase inhibition or cholinergic effects.
C. Organophosphate poisoning inhibits acetylcholinesterase, leading to excessive acetylcholine and a cholinergic crisis. This results in symptoms such as miosis, bronchoconstriction, increased secretions, and respiratory distress. Atropine works by blocking muscarinic receptors and reducing secretions and bronchospasm, while pralidoxime (2-PAM) reactivates acetylcholinesterase and reverses the underlying toxicity.
D. Although the symptoms are correct, adenosine is not used in the treatment of organophosphate poisoning and does not counteract cholinergic toxicity.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Rationale:
A. A strong cognitive knowledge base is essential for emergency or trauma nursing. Nurses must understand anatomy, physiology, pathophysiology, pharmacology, and evidence-based protocols to make rapid and accurate clinical decisions.
B. Trauma nurses must make quick, informed decisions under high-pressure situations. Effective clinical decision-making is a core competency that directly impacts patient outcomes in the emergency setting.
C. Effective communication is a critical competency for emergency nurses and must be proactive, not passive. Nurses must communicate clearly and consistently with patients, families, and the interdisciplinary team to ensure safe, coordinated, and timely care. Limiting communication “only if asked” is inadequate and can compromise patient safety.
D. Comprehensive and rapid patient assessment is fundamental in trauma and emergency nursing. It allows nurses to identify life-threatening conditions, prioritize interventions, and provide appropriate care.
Correct Answer is D
Explanation
Rationale:
A. While these injuries are serious, they are not immediately life-threatening. The patient can generally wait for treatment without immediate risk of death, so they would likely be triaged yellow (delayed).
B. A closed clavicle fracture with mild neurologic symptoms is significant but not immediately life-threatening, so the patient would also be triaged yellow or green depending on mobility and stability.
C. A forehead contusion and epistaxis are usually minor injuries unless accompanied by altered consciousness or other complications. These patients are generally triaged green (minor).
D. Rib fractures combined with respiratory compromise such as shortness of breath indicate a potential life-threatening injury, such as flail chest or pulmonary contusion. These patients require immediate intervention to stabilize airway and breathing, making a red tag (immediate priority) appropriate.
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