(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
C
A 75-year-old woman with significant carotid artery stenosis is scheduled for general anesthesia for repair of a fractured hip. Which of the following is the greatest disadvantage of using propofol as an induction agent in this patient?
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
C
Postdural puncture headache occurs most commonly in which of the following patients?
Which of the following provides the earliest indication of myocardial ischemia during general anesthesia?
(A) Cardiac index
(B) Mixed venous oxygen saturation
(C) Pulmonary artery occlusion pressure
(D) Regional ventricular wall motion
(E) ST-segment depression on ECG
D
Which of the following fluids will restore circulating blood volume with the smallest infused volume?
(A) Albumin 25%
(B) Dextrose 5% in saline solution 0.45%
(C) Hydroxyethyl starch 6%
(D) Lactated Ringer's solution
(E) Type-specific whole blood
A
During emergency laparotomy, a patient who has been taking a monoamine oxidase inhibitor for six months develops hypotension despite adequate fluid therapy. The most appropriate management is administration of