10 Random Questions
Heparin-induced thrombocytopenia
- (A) does not occur with porcine mucosal heparin
- (B) is caused by direct suppression of platelet production
- (C) is immunologically mediated
- (D) is diagnosed by peripheral blood smear
- (E) occurs only with larger intravenous doses of heparin
The preanesthetic ECG trace (lead II) shown from a 32-year-old woman suggests
- (A) potential for tachyarrhythmia
- (B) need for preanesthetic atropine
- (C) myocardial ischemia
- (D) left bundle branch block
- (E) right ventricular hypertrophy
Which of the following treatments is LEAST effective in patients with acute herpes zoster?
- (A) Acyclovir
- (B) Antidepressants
- (C) Epidural block
- (D) Opioids
- (E) Sympathetic nerve block
Which of the following pulmonary components is altered the most in a morbidly obese patient?
- (A) Total lung volume
- (B) Tidal volume
- (C) Inspiratory reserve volume
- (D) Expiratory reserve volume
- (E) Ratio of dead space to tidal volume
Properly performed local anesthetic block of the celiac plexus
- (A) requires that the needle tip be positioned anterior to the vertebral body of LI
- (B) preserves efferent parasympathetic outflow
- (C) produces urinary retention
- (D) is not associated with hypotension
- (E) produces truncal cutaneous hypesthesia
Six months after repair of a lacerated peroneal nerve, a patient has electric-shock-like pain when pressure is applied to the middle of the gastrocnemius muscle. The most appropriate initial management is
- (A) administration of carbamazepine
- (B) epidural injection of morphine
- (C) local infiltration with bupivacaine
- (D) lumbar sympathetic blockade
- (E) peroneal nerve blockade
With respect to mechanical ventilation, which of the following statements concerning the portion of tidal volume known as compression volume is true?
- (A) It is calculated by dividing the volume of gas delivered to the patient by the peak pressure
- (B) It does not contribute to the volume of gas entering the patient
- (C) It is not included in the volume measured by a spirometer on the inspiratory limb
- (D) It decreases with the addition of a humidifier to the breathing circuit
- (E) It decreases with the addition of one-way valves at the Y connector of the breathing circuit
Of the following, the most reliable criterion for adequate clinical reversal of neuromuscular blockade is
- (A) return of twitch height to 90% of normal
- (B) peak inspiratory force of -20 cmH20
- (C) T4:T1 ratio of 0.75 for train of four
- (D) normal tidal volume
- (E) disappearance of post-tetanic facilitation
In a 45-year-old patient with severe mitral regurgitation, which of the following is the most important hemodynamic condition to avoid during induction of anesthesia?
- (A) Decreased heart rate to less than 60 bpm
- (B) Increased heart rate to greater than 90 bpm
- (C) Increased preload
- (D) Increased afterload
- (E) Enhanced myocardial contractility
An advantage of CPDA-1 over CPD for storage of packed red blood cells is
- (A) greater enhancement of red cell survival
- (B) lesser increase in plasma hemoglobin concentration
- (C) lesser increase in PC02 of stored blood
- (D) better maintenance of blood pH
- (E) better maintenance of 2,3-diphosphoglycerate concentration