10 Random Questions
Which of the following is suggestive of epiglottitis rather than croup?
- (A) A 2-year-old child with a harsh, barking cough
- (B) A 4-year-old child who insists on sitting up and leaning forward
- (C) Leukocyte count of 10,000/mm3 with marked lymphocytosis
- (D) Rectal temperature of 38.5°C
- (E) Subglottic narrowing (steeple sign) on lateral neck radiograph
Which of the following statements concerning postherpetic neuralgia is true?
- (A) It is effectively treated with neurolytic surgery
- (B) It is effectively treated with sympathetic nerve blocks
- (C) Duration is three to four weeks
- (D) Hyperesthesia occurs in the affected area
- (E) It occurs predominantly in adolescents
Forty-eight hours after thoracotomy, a patient's T6-7 epidural catheter is removed and the distal 2 cm is noted to be missing. The patient felt no pain during removal and neurologic examination shows no abnormalities. After informing the patient, which of the following is the most appropriate next step in management?
- (A) Observation
- (B) Culture of cerebrospinal fluid
- (C) MRI of the thoracic spine
- (D) Myelography
- (E) Surgical removal of the catheter
Compared with a patient without liver disease, a patient with cirrhosis will have
- (A) greater accumulation of vecuronium with infusion
- (B) increased unbound plasma vecuronium concentration
- (C) more frequent occurrence of phase II block after succinylcholine administration
- (D) prolonged elimination half-life of atracurium
- (E) unchanged volume of distribution for pancuronium
During laser microsurgery of the larynx using an endotracheal tube, a fire occurs in the airway. Which of the following is the most appropriate initial management?
- (A) Increase FiO2 to 1.0
- (B) Instill saline into the endotracheal tube
- (C) Perform cricothyroidotomy
- (D) Remove the endotracheal tube
- (E) Ventilate with air
Each of the following decreases hepatic blood flow EXCEPT
- (A) isoflurane anesthesia
- (B) spinal anesthesia
- (C) hypercarbia
- (D) mechanical ventilation
- (E) positive end-expiratory pressure
Following induction of general anesthesia, mask ventilation and the initial attempt at intubation is unsuccessful. Which of the following procedures is most appropriate?
- (A) Administration of additional muscle relaxant
- (B) Repeat attempt at intubation
- (C) Fiberoptic intubation
- (D) Retrograde intubation
- (E) Cricothyroidotomy
Which of the following shaded areas most accurately represents the dead space of a properly functioning circle system?
A patient with hypokalemic familial periodic paralysis develops weakness of skeletal muscles at the end of an emergency appendectomy under spinal anesthesia. If the weakness is a result of the familial periodic paralysis, which of the following statements is true?
- (A) Bicarbonate therapy is indicated
- (B) Cardiac dysrhythmias are unlikely
- (C) Initial treatment is intravenous edrophonium
- (D) Potassium infusion is contraindicated
- (E) The paralysis spares the diaphragm
Cyanide toxicity from nitroprusside is unlikely in patients with renal dysfunction because
- (A) renal excretion of thiosulfate is decreased
- (B) metabolic acidosis inactivates cyanide
- (C) anemia inhibits breakdown of nitroprusside by oxyhemoglobin
- (D) thiocyanate is formed in the liver
- (E) the dose of nitroprusside necessary to lower blood pressure is greatly decreased