ROSH QBank General Surgery EOR Exam Questions and Answers 100% Correct

What is the most appropriate IV fluid for a preoperative patient who is NPO? A5% dextrose in water BHalf-normal saline CLactated Ringer solution DNormal saline - Answer- C lactated ringer solution A 65-year-old man with a history of hypertension, hyperlipidemia, and diabetes mellitus presents to his primary care provider for a preoperative physical for an upcoming cholecystectomy. While interviewing the patient for a review of systems, he mentions he gets a crushing chest pain when going up more than one flight of stairs. The pain radiates to his jaw but goes away after resting for about 10 minutes. He reports this happens one to two times per week. What medication is recommended to prevent cardiovascular events during his procedure? AAtenolol BIsosorbide mononitrate CIvabradine DRanolazine - Answer- A atenolol A 75-year-old man presents to the emergency department after a motor vehicle collision, in which he was thrown from his vehicle. The patient's vital signs are BP 160/100 mm Hg, pulse 110 bpm, respiration 10/min, and oxygenation 96% on room air. He has a past medical history of atrial fibrillation and is anticoagulated with warfarin. Lab work reveals hemoglobin 9.5 g/dL and an international normalized ratio of 10.5. A noncontrast CT of his head shows a significant subdural hemorrhage. Neurosurgery is consulted on the patient's case. What is the best next step in the management of this patient? A Administer protamine sulfate B Administer vitamin K and fresh frozen plasma C Administer vitamin K only D Transfuse one unit of packed red blood cells - Answer- B administer viatmin K and fresh frozen plasma A 54-year-old woman with chronic kidney disease who is receiving hemodialysis is admitted to the hospital with acute cholecystitis and is scheduled to undergo a cholecystectomy during the hospitalization. The patient has normal vital signs, and there are no signs of volume overload on physical exam. Which of the following findings would be an indication for urgent preoperative dialysis in this patient? A Blood pressure of 200/105 mm Hg B Blood urea nitrogen of 55 mg/dL C Glucose of 465 mg/dL D Potassium of 6.1 mEq/L with peaked T waves on electrocardiogram - Answer- D Potassium of 6.1 mEq/L with peaked T waves on electrocardiogram A 66-year-old man with a history of hypertension, diabetes, and tobacco use disorder presents with an acute onset of a warm, red, tender, and swollen left leg. He had a total hip replacement surgery performed 3 days ag