10 Random Questions

Compared with labetalol for induction of hypotension, nitroprusside is associated with

Block of each of the following nerves is required for inguinal herniorrhaphy EXCEPT the

ADVANCED Regional & Pain

Which of the following laboratory studies is most reliable in differentiating prerenal azotemia from acute tubular necrosis?

Diffuse microvascular bleeding is noted in a patient who has received 25 units of whole blood for a liver resection. Platelet count is 40,000/mm3, prothrombin time is 18 sec, activated partial thromboplastin time is 54 sec, and serum fibrinogen concentration is 60 mg/dl. The most likely cause of the bleeding is

BASIC Transfusions & Fluids

A 19-year-old woman has severe nausea and vomiting following laparoscopy. After intramuscular administration of prochlorperazine 10 mg, she has muscle spasms in the face, neck, and tongue. Which of the following is the most appropriate management?

BASIC Pharmacology & Pharmacokinetics

A multi-orifices right heart catheter is being positioned by EKG control prior to sitting craniotomy. The EKG tracing is obtained between the distal tip of the catheter and the right arm lead. The most appropriate next step is to

ADVANCED Equipment & Physics Neuro

Preoperative evaluation shows a serum sodium concentration of 140 mEq/L, serum chloride concentration of 90 mEq/L, PaCO2 of 46 mmHg, and arterial pH of 7.50. These findings are most indicative of prior treatment with

BASIC Pharmacology & Pharmacokinetics

Which of the following is the primary factor regulating normal coronary blood flow?

BASIC Cardiac

Physiologically, coronary blood flow relates most directly to

BASIC Cardiac

Infants with untreated pyloric stenosis are at increased risk for each of the following EXCEPT

ADVANCED Pediatric