CEN PRACTICE QUESTIONS (Answered). 2022/2023 review. Graded A+

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CEN PRACTICE QUESTIONS (Answered). 2022/2023 review. Graded A+ Which of the following infection control measures is indicated in the patient with an active methicillin resistant staphylococcus au ... reus wound infection? A. Droplet precautions B. Contact preacutions C. Protective isolation D. Airborne precautions - ✔✔B. Contact precautions Rationale: CDC recommends contact precautions for patients with active MRSA infection. A patient with a hand wound caused by a high-pressure paint gun is awaiting surgical wound exploration. Preoperatively, the emergency nurse will monitor the patient for the development of A. Lactic acidosis B. Compartment syndrome C. Tetanus infection D. Muscle contracture - ✔✔B. Compartment syndrome Rationale: High-pressure injection injuries occur when a device (e.g., a paint or grease gun) injects the foreign substance into a body. This injury most commonly occurs to the dominant hand or index finger of the injection gun operator. Emergency care includes splinting the injury, obtaining radiographs, administering parenteral analgesics and broad-spectrum ABX, ensuring appropriate tetanus prophylaxis, and elevating the injury. High-pressure injection injuries are a surgical emergency requiring thorough cleansing and immediate decompression to prevent compartment syndrome and tissue necrosis. Hydrocarbon-based substances (e.g., fuel, paint thinners, organic solvents) cause the most severe inflammatory response and are associated with the highest incidence of subsequence amputations. Which of the following findings in a 20-yr-old burn patient indicates the need for burn center referral? A. 8% partial thickness burns to the anterior chest B. Partial thickness burns on the anterior right thigh C. 2% Full-thickness burns in the left knee area D. Superficial circumferential burns of the forearms - ✔✔C. 2% Full thickness burns in the left knee area Rationale: According to the American Burn Association, patients with burns that overlay major joints should be referred to a burn center. A 5-year-old presents with dilated pupils, tachycardia, hot flushed skin, agitation, diminished bowel sounds, urinary retention, and hallucinations after ingesting several tiotropium (Spiriva) inhalation powder capsules. These findings suggest A. Neurogenic shock B. Diabetic ketoacidosis C. Anticholinergic crisis D. Beta-blocker overdose - ✔✔C. Anticholinergic crisis Rationale: Symptoms of anticholinergic exposure can be recalled using the mnemonic "red as a beet, dry as a bone, blind as a bat, mad as a hatter, and hotter than Hades." Treatment is largely symptomatic and supportive. After spraying pesticides all day, a farmhand walks into the ED complaining of diaphoresis, productive cough, nausea, vomiting, and diarrhea. The priority intervention is A. Intravenous cannulation B. O2 Supplementation C. Antidote administration D. Skin decontamination - ✔✔D. Skin decontamination [Show More]

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