10 Random Questions
Which of the following findings would be considered normal in the EEG of an adult?
- (A) Decreased frequency during induction with halogenated anesthetics
- (B) Decreased frequency in frontal areas with administration of nitrous oxide 50%
- (C) Dominance of beta rhythm at 20 to 30 Hz during the awake relaxed state
- (D) Electrical silence with administration of isoflurane 2.5 MAC
- (E) The presence of burst-suppression during natural sleep
A 28-year-old woman receives a lumbar epidural anesthetic for uncomplicated labor and delivery. During removal of the catheter, 1 cm breaks off and remains in her back. After informing the patient, the most appropriate management is
- (A) no intervention unless symptoms occur
- (B) prophylactic antibiotics
- (C) epidural corticosteroids
- (D) dye contrast study of the epidural space
- (E) neurosurgical exploration
The fetal heart rate and uterine contraction tracings shown are most consistent with
- (A) fetal acidosis
- (B) fetal cerebral hemorrhage
- (C) fetal head compression
- (D) fetal hypoxia
- (E) uteroplacental insufficiency
During a cardiac arrest with effective chest compression and positive-pressure ventilation, 50 mEq of sodium bicarbonate is administered. Which of the following is the most likely result?
- (A) Decreased mixed venous pH
- (B) Decreased SpO2
- (C) Increased PetCO2
- (D) Increased plasma lactate concentration
- (E) Increased serum potassium concentration
Compared with intermittent positive pressure ventilation (IPPV), intermittent mandatory ventilation (IMV)
- (A) better maintains cardiac output
- (B) provides less than full mechanical ventilatory support
- (C) requires a greater level of sedation
- (D) requires a higher FlO2
- (E) requires a lower inspiratory flow rate
A patient with end-stage renal disease has prolonged ventilatory depression after administration of morphine. The most likely cause is increased
- (A) serum concentration of morphine-6-glucuronide
- (B) elimination half-life of morphine
- (C) opioid receptors
- (D) receptor affinity
- (E) volume of distribution
A patient is scheduled for amputation of the third metatarsal. A tourniquet will not be used during the procedure. The most effective anesthesia will be provided by block of which of the following nerves?
- (A) Femoral
- (B) Common peroneal and tibial
- (C) Sural and deep peroneal
- (D) Sural and tibial
- (E) Tibial, saphenous, and deep peroneal
In a patient with adult respiratory distress syndrome who is being mechanically ventilated, which of the following findings indicates the most severe disease?
- (A) Decreased functional residual capacity
- (B) Decreased lung compliance
- (C) Hypercarbia
- (D) Hypoxemia
- (E) Increased dead space
Numbness and tingling on the lateral aspect of the thigh 24 hours after uneventful vaginal delivery is most likely a complication of
- (A) forceps delivery
- (B) lithotomy position
- (C) pudendal nerve block
- (D) lumbar epidural anesthesia
- (E) spinal anesthesia
Which of the following attenuates the most common cardiovascular side effect of protamine administration?
- (A) Pretreatment with a diuretic
- (B) Pretreatment with a prostaglandin inhibitor
- (C) Pretreatment with a pulmonary vasodilator
- (D) Injection via the distal lumen of the pulmonary artery catheter
- (E) Slow peripheral intravenous injection