Medical JBL Test Prep questions with correct answers

Following prolonged dehydration , a 67 yo man presents with hypotension, tachycardia, and oliguria. He has no past medical history. Which of the following is the MOST likely cause of his condition? a. Chronic renal failure b. Intrarenal acute renal failure c. Postrenal failure d. Prerenal acute renal failure - Answer d. Prerenal acute renal failure You receive a call for a 55-year-old female who is ill. The patient's husband tells you that she is an alcoholic, and has been "on the wagon" for about a week. The patient is conscious, but confused and restless. Her skin is hot to the touch, she is profusely diaphoretic, and her hands are shaking. Her blood pressure is 180/90 mm Hg, pulse is 120 beats/min, respirations are 24 breaths/min, and oxygen saturation is 98% on room air. You should: A: provide emotional support, administer oxygen via nasal cannula, establish vascular access, monitor her cardiac rhythm, assess her blood glucose level, and transport. B: provide reassurance, establish vascular access and give a saline bolus, give oxygen via nonrebreathing mask, administer 5 mg of diazepam to prevent seizures, and transport. C: administer high-flow oxygen via nonrebreathing mask, establish vascular access, give 2 to 5 mg of midazolam for sedation, monitor her cardiac rhythm, and transport. D: establish vascular access, administer 100 mg of thiamine and 25 g of 50% dextrose IV push, apply oxygen via nasal cannula, orient her and provide reassurance, and transport. - Answer A: provide emotional