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
When succinylcholine is administered intravenously to infants, intragastric pressure
(A) is usually unchanged
(B) increases to a peak of 30 cmH20 within two minutes
(C) increases because of abdominal muscle fasciculations
(D) increases because of an acetylcholine-like effect on the vagus nerve
An 18-year-old patient with hemophilia A is scheduled for inguinal hernia repair. Preoperatively, factor VIII concentration is 60% of normal. The most appropriate management is administration of
(A) fresh frozen plasma
(B) cryoprecipitate
(C) factor VIII concentrate
(D) vitamin K
(E) none of the above
E
Which of the following is the most important function of temperature compensation in anesthetic vaporizers?
(A) Compensation for changes in the specific heat of the anesthetic during vaporization
(B) Delivery of diluent gas at a constant temperature regardless of flow rate
(C) Increase of bypass flow when the vaporizer is cooled by high fresh gas flow
(D) Maintenance of constant anesthetic vapor output over a range of vaporizer temperatures
(E) Maintenance of constant vapor concentrations at low flow rates