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
Six hours after coronary artery bypass grafting, a pulmonary artery catheter oximeter shows a mixed venous hemoglobin oxygen saturation of 50%. This value may result from each of the following EXCEPT
- (A) anemia
- (B) fever
- (C) hypovolemia
- (D) respiratory alkalosis
- (E) shivering
A 40-year-old woman with chronic renal failure is undergoing revision of an arteriovenous shunt with general anesthesia. The capnographic waveform was obtained during spontaneous ventilation 20 minutes after administration of succinylcholine and tracheal intubation. Which of the following is the most likely cause of these findings?
- (A) Leaking endotracheal cuff
- (B) Channeling of soda lime
- (C) Light anesthesia
- (D) Metabolic acidosis
- (E) Residual neuromuscular block
In this diagram of a circle system, an increase in dead space is most likely to result from placement of the pressure relief valve at location
- (A) 1
- (B) 2
- (C) 3
- (D) 4
- (E) 5
Which of the following changes is most likely in the patient whose pulmonary pathology is schematically illustrated?
- (A) Decreased diffusing capacity
- (B) Decreased PaO2
- (C) Decreased pH
- (D) Increased PaCO2
- (E) Increased Vd/Vt
A 26-year-old woman has persistent uterine bleeding following a normal spontaneous delivery without anesthesia. The uterus is firm on manual examination. Which of the following anesthetics is most appropriate for manual extraction of the placenta?
- (A) Halothane
- (B) Pudendal block with lidocaine
- (C) Subarachnoid tetracaine
- (D) Thiopental
- (E) Vecuronium
Five hours after intramuscular administration of morphine 15 mg to a healthy 80-kg man, residual effects are best demonstrated by measuring the
- (A) resting tidal volume
- (B) resting PaC02
- (C) functional residual capacity
- (D) ventilatory response to rebreathing
- (E) alveolar ventilation
A 25-year-old man requires exploratory laparotomy following a motor vehicle accident. He is acutely intoxicated with alcohol. Which of the following is the most likely result of the alcohol ingestion?
- (A) Hyperdynamic circulation
- (B) Hyperglycemia
- (C) Hyperthermia
- (D) Increased respiratory depression from opioids
- (E) Increased sensitivity to neuromuscular blocking drugs
A patient has hoarseness after undergoing surgery involving the aortic arch. The most likely cause is an injury to which of the following nerves?
- (A) Glossopharyngeal
- (B) Left recurrent laryngeal
- (C) Right recurrent laryngeal
- (D) Left superior laryngeal
- (E) Right superior laryngeal
Which of the following findings best indicates complete resolution of spinal anesthesia?
- (A) Ability to ambulate
- (B) Ability to urinate
- (C) Perianal pinprick sensation
- (D) Pain at the surgical site
- (E) Proprioception of the big toe