10 Random Questions


An otherwise healthy 70-year-old man receives 12 units of packed red blood cells for persistent diffuse bleeding during suprapubic prostatectomy. Hemoglobin concentration is 11 g/dL, platelet count is 55,000/mm3, plasma fibrinogen concentration is 180 mg/dL, protime is 14 sec, and partial thromboplastin time is 35 sec. The most appropriate therapy is administration of

ADVANCED Transfusions & Fluids

The graphs shown illustrate various respiratory patterns in a patient who is breathing spontaneously with continuous positive airway pressure. Which of the following patterns is associated with the LEAST work of breathing?

BASIC Respiratory & Critical Care

A healthy, spontaneously breathing, supine, anesthetized patient has a PaCO2 to PetCO2 difference of 3 mmHg. Following institution of mechanical ventilation the value increases to 12 mmHg. The most likely cause of this change is

BASIC Respiratory & Critical Care

Which of the following findings best indicates complete resolution of spinal anesthesia?

ADVANCED Regional & Pain

Spinal anesthesia at a T6 sensory level is most likely to improve cardiac output in patients with

BASIC Cardiac Regional & Pain

The primary mechanism for respiratory arrest following a spinal anesthetic to T2 is


The second gas effect refers to

BASIC Pharmacology & Pharmacokinetics

Numbness and tingling on the lateral aspect of the thigh 24 hours after uneventful vaginal delivery is most likely a complication of

ADVANCED OB

Electrocautery units operate at frequencies between 300 kHz and 2 mHz to

BASIC Equipment & Physics

A Fluotec vaporizer is set to administer halothane 4% using a fresh gas flow of 4 L/min. If the diluent gas flow is increased to 8 L/min, and at the same time the room temperature increases from 20 to 25°C, the approximate concentration of halothane delivered to the patient would be

BASIC Equipment & Physics