10 Random Questions
A successful ankle block for transmetatarsal amputation of the first and second toes should include each of the following nerves EXCEPT the
- (A) saphenous
- (B) deep peroneal
- (C) superficial peroneal
- (D) sural
- (E) tibial
Each of the following indicates a hemolytic transfusion reaction in an anesthetized patient EXCEPT
- (A) bleeding diathesis
- (B) wheezing
- (C) hypotension
- (D) hemoglobinuria
- (E) decreased serum haptoglobin concentration
When inspired anesthetic gases are humidified
- (A) most particles 1 to 2 microns in size are deposited in the trachea
- (B) respiratory epithelial cilia become less active
- (C) alveolar water vapor pressure is unchanged
- (D) respiratory heat loss is abolished
- (E) sterilization of breathing apparatus is mandatory
A 95-kg, 65-year-old woman receives sevoflurane and pancuronium during a laparoscopic cholecystectomy. Three minutes after administration of neostigmine 5 mg and atropine 1.2 mg, the twitch height returns to normal. Spontaneous tidal volume is 500 ml when the endotracheal tube is removed. In the PACU she reports dyspnea and appears distressed. Which of the following is the most likely cause of the respiratory distress?
- (A) Atelectasis
- (B) Cholinergic crisis
- (C) Pain
- (D) Residual enflurane
- (E) Residual muscle paralysis
A 14-month-old child has tetralogy of Fallot with dynamic obstruction to right ventricular outflow. Which of the following is most likely to decrease cyanosis in this child?
- (A) Calcium
- (B) Epinephrine
- (C) Nitroglycerin
- (D) Nitroprusside
- (E) Propranolol
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
A 2500-g, 12-hour-old infant is tracheally intubated and mechanically ventilated at a rate of 20/min with an FiO2 of 0.4 and peak inspiratory pressure of 25 cmH2O. At birth, amniotic fluid was meconium stained and Apgar scores were 2 and 7. The most recent arterial blood gas levels are PaO2, 50 mmHg, PaCO2, 55 mmHg, and pH 7.20. The most appropriate management is to
- (A) administer sodium bicarbonate
- (B) begin intravenous infusion of prostaglandin E,
- (C) increase FiO2
- (D) increase ventilation
- (E) perform bronchial lavage
Compared with a patient who is breathing spontaneously, a patient in the supine position receiving controlled positive-pressure ventilation will most likely have which of the following findings?
- (A) Decreased pulmonary vascular resistance
- (B) Decreased ratio of dead space to tidal volume
- (C) Increased ventilation of nondependent alveoli
- (D) Increased perfusion of nondependent alveoli
- (E) Improved matching of ventilation to perfusion
Each of the following values is associated with acute tubular necrosis EXCEPT
- (A) urine osmolality of 200 mOsm/L
- (B) urine sodium concentration of 15 mEq/L
- (C) urine specific gravity of 1.009
- (D) urine/serum osmolality ratio of 1.2
- (E) fractional excretion of sodium of 4%
Which of the following shaded areas most accurately represents the dead space of a properly functioning circle system?
