CEN Online Review 3.0 - Pre Exam Test.

CEN Online Review 3.0 - Pre Exam Test. 1. A patient pre- sents to the emer- gency department A. Fat emollient B. Pressure bandage C. Topical antihistamines with superficial red- D.Acetic acid dened welts to the hands and up- per extremities in- curred after plac- ing his hands and arms into the jelly- fish tank at the lo- cal zoo. After irri- gating the wounds with normal saline and removing the tentacles with for- ceps, application of of which of the fol- lowing will provide the best pain man- agement? 2. An older adult patient fell in the bathroom last night and was found on the floor Acetic acid: Application of acetic acid (vinegar) may deactivate the cause of the stinging pain from certain species of jellyfish. A.Blood clots in the urine B.Dysuria C.Dark brown urine D.Anuria by family this morn- Dark brown urine: Prolonged immobilization is a common cause of rhabdomy- ing. The patient is awake, confused, and has large ecchymotic areas olysis. The characteristic sign of rhabdomyolysis is dark brown urine. to the right hip, leg, and shoulder. Which of the follow- ing clinical manifes- tation will the nurse anticipate with this patient? 3. Which of the follow- A.Surgical exploration and debridement ing interventions B.Application of a topical antibiotic should be anticipat- C.Soaking the wound in betadine ed with a pinhole wound on the hand from a high pres- sure paint gun? 4. Which heart block is associated with a lengthening PR interval until a QRS complex is dropped? 5. An adult pre- sents to the emer- gency department complaining of a low-grade fever, malaise, pain in D.Application of ice packs to the wound Surgical exploration and debridement: High pressure grease or paint gun injuries can be limb threatening. The paint or grease has most likely been in- jected into the extremity. Such wounds require intravenous antibiotics, tetanus immunization, and surgical exploration and debridement to remove necrotic tissue. They are at high risk for anaerobic infection. A.First degree B.Second degree type II C.Third degree D.Second degree type I Second degree type I: also known as Wenckebach, is characterized by a lengthening PR interval until a QRS is dropped. A.Levofloxacin B.Doxycycline C.Ceftriaxone D.Praziquantel the joints, and headache for the past week. The pa- tient reports hiking in wooded areas during a recent va- cation in the North- east United States. Upon physical as- sessment, a circu- lar, flat, red rash with central clear- ing is noted to the left scapular area and local tender- ness upon palpa- tion of the left ax- illary lymph node. After confirmato- ry diagnosis, the emergency nurse anticipates which course of pharma- cologic treatment? 6. A patient arrives with complaints of Doxycycline: This presentation is consistent with Lyme disease, which is treated with oral doxycycline in the early stages of the disease.