Answer to Question 1
A
Feedback:
Because vecuronium is structurally similar to ACh, it binds to the receptors on the muscle and prevents normal function of ACh, producing skeletal muscle paralysis. The drug does not influence the physiology of serotonin, the cerebellum, or acetylcholinesteras e.
Answer to Question 2
A
Feedback:
Decreased pedal edema improves cardiac output due to the fact that the patient has diminished fluid volume. Increased skin turgor indicates that the patient is well hydrated and does not have fluid volume excess. A heart rate of 52 is too slow to provide good contractility. Improved sensorium indicates adequate perfusion but is not the most indicative of improved heart failure status.