10 Random Questions


A patient with metastatic carcinoma and chronic renal failure has tremors, fasciculations, mydriasis, and hyperreflexia after several days of therapy with high doses of meperidine for analgesia. Which of the following is most likely to occur if the meperidine is continued?

BASIC Pharmacology & Pharmacokinetics

Syringe A contains 100 ml of normal blood with a PO2 of 2 mmHg, and syringe B contains 100 ml of normal blood with a PO2 of 98 mmHg. The contents of the two syringes are mixed anaerobicaily to equilibrium. The PO2 of the resultant mixture Is

BASIC Respiratory & Critical Care

A 2-year-old child is hospitalized for exposure. Rectal temperature is 30°C. The most appropriate method of warming is to

ADVANCED Pediatric

You are asked to evaluate a 2000-g male infant three hours after vaginal delivery because of a respiratory rate of 50/min, pulse rate of 115 bpm, and the following arterial blood gas values while breathing room air: PaO2 64 mmHg, PaCO2 43 mmHg, and pH 7.33. His mother received meperidine 75 mg two hours before delivery. Appropriate management includes

ADVANCED Pediatric

A 55-year-old man has quadriplegia after undergoing suboccipital craniotomy in the sitting position for treatment of acoustic neuroma. Which of the following is the most likely cause?

ADVANCED Neuro

Which of the following statements concerning opioid dependence in anesthesiologists is true?


Prior to occlusion of any major pulmonary blood vessels during a thoracotomy, applying positive end-expiratory pressure to ventilation through the dependent lumen of a double-lumen tube and occluding the upper lumen of the tube will

ADVANCED Respiratory & Critical Care

Which of the following relationships is indicated by the curve illustrated in the graph shown?


If minute ventilation is held constant, which of the following is LEAST likely to alter PaCO2?

BASIC Respiratory & Critical Care

The most likely cause of a fetal heart rate pattern of variable decelerations to 90 bpm is

ADVANCED OB