10 Random Questions


An air/oxygen blender with E-size cylinders is supplying gas to a Mapleson D circuit being used to ventilate a neonate during transport. The air tank is full (psi= 1900/625 L) and flow is 4 L/min. The oxygen tank flow is 5 L/min and the pressure gauge indicates 500 psi. If the flow rates remain unchanged, which of the following statements is correct?

BASIC Equipment & Physics

Which of the following limits the use of nalbuphine for relief of postoperative pain?

BASIC Pharmacology & Pharmacokinetics

During transurethral resection of the prostate under spinal anesthesia with a sensory level to T10, a patient has sudden onset of sharp upper abdominal pain and nausea. Arterial blood pressure increases from 120/80 to 150/90 mmHg; the patient becomes diaphoretic. Which of the following is the most likely diagnosis?

ADVANCED General

A radial artery catheter is to be used for blood pressure measurement during a sitting craniotomy. When zeroing the transducer, which of the following describes the best levels for placement of the transducer and opening of the system to air? (Transducer, Opening to Air)

BASIC Equipment & Physics Neuro

Which of the following is characteristic of low back pain associated with myofascial pain syndrome but not of pain associated with a herniated lumbar disk?

ADVANCED Regional & Pain

The need for increased doses of nondepolarizing muscle relaxants in patients with extensive burns is best explained by

BASIC Pharmacology & Pharmacokinetics

Which of the following provides the most definitive diagnosis in a patient with suspected brain death?

ADVANCED Respiratory & Critical Care Neuro

Which of the following best describes cardiomyopathy following therapy with doxorubicin (Adriamycin)?

ADVANCED Cardiac

A 75-year-old, 60-kg man with moderately disabling heart failure secondary to ischemic heart disease is undergoing a transurethral prostatic resection under halothane-nitrous oxide anesthesia. Resection time is 30 minutes, and fluid replacement has been lactated Ringer's solution 500 mL. Although heart rate is unchanged, the arterial pressure monitor used because of his cardiac condition has changed from A to B over the last 15 minutes. The most appropriate management is to

ADVANCED General

Two hours after a colon resection, a 60-year-old woman with adult-onset diabetes mellitus is somnolent and has a blood glucose concentration of 612 mg/dl. Which of the following findings are most likely? (Sodium, Osmolality, Intravascular volume)