10 Random Questions
If administered prior to induction of anesthesia, which of the following drugs is most likely to cause tachycardia?
- (A) Fentanyl
- (B) Meperidine
- (C) Midazolam
- (D) Morphine
- (E) Sufentanil
Which of the following is most indicative of reflex sympathetic dystrophy?
- (A) Dry skin
- (B) Dull pain that improves with movement
- (C) Fasciculations
- (D) Motor weakness
- (E) Pallor and cyanosis
A 90-kg, 59-year-old man with chronic obstructive pulmonary disease is undergoing laparotomy. Mechanical ventilation is being carried out with a fresh gas flow of 2 L/min at a rate of 16/min and tidal volume of 900 ml; I:E ratio is 1:2.5. PaCO2 remains greater than 50 mmHg. Preoperative PaCO2, was normal. Which of the following is the most appropriate next step?
- (A) Adding 10 cmH20 of positive end-expiratory pressure
- (B) Converting to spontaneous ventilation
- (C) Decreasing inspiratory flow rate
- (D) Increasing exhalation time
- (E) Increasing fresh gas flow
One day after a vaginal hysterectomy under epidural anesthesia, a patient has numbness and inability to dorsiflex the right foot. Her legs were placed in leg holders during the operation. The most likely cause is
- (A) epidural hematoma
- (B) common peroneal nerve injury
- (C) sacral nerve root injury
- (D) sacral plexus injury
- (E) sciatic nerve injury
Which of the following relationships is indicated by the curve illustrated in the graph shown?
- (A) Intracranial blood volume (X) and intracranial pressure (Y)
- (B) PaCO2 (X) and minute ventilation (Y)
- (C) PaO2 (X) and hemoglobin saturation (Y)
- (D) Preload (X) and stroke volume (Y)
- (E) Systemic arterial pressure (X) and cerebral blood flow (Y)
Anesthesia for vaginal delivery is provided by block of spinal segments
- (A) T10-11
- (B) T8-12
- (C) Ll-2
- (D) S2-4
- (E) L5-S1
Which of the following produces falsely high Sp02?
- (A) Carboxyhemoglobin
- (B) Fetal hemoglobin
- (C) Hematocrit less than 20%
- (D) Indigo carmine
- (E) Methylene blue
Which of the following is most likely to occur during deliberate hypotension with trimethaphan?
- (A) Bronchoconstriction
- (B) Cerebral vasodilation
- (C) Increased heart rate
- (D) Potentiation of pancuronium
- (E) Pupillary constriction
The EKG rhythm shown developed during cholecystectomy in a 62-year-old man who had a myocardial infarction and is taking atenolol. The drug of choice for treating this arrhythmia is
- (A) atropine
- (B) bretylium
- (C) isoproterenol
- (D) lidocaine
- (E) procainamide
A 43-year-old man has been hoarse for two weeks since undergoing anterior cervical fusion at C7-8 for treatment of a herniated disk. Laryngoscopy shows paralysis of the right vocal cord. Which of the following is the most likely cause?
- (A) Damage to the glossopharyngeal nerve during surgery
- (B) Damage to the superior laryngeal nerve during surgery
- (C) Nerve root compression by the herniated disk
- (D) Stretching of the recurrent laryngeal nerve during surgery
- (E) Trauma to the vocal cords during intubation