As urine flow through the nephron becomes static, formation of casts will occur in the:

Which of the following disease processes is characterized by an abnormal gait in which the patient places his or her feet very close together and shuffles while walking?

A) Cerebral palsy B) Multiple sclerosis C) Parkinson disease D) Alzheimer disease

While monitoring a patient during a T tube weaning trial, you notice the following: increased pa-tient agitation; increased heart rate (from 90 to 118/min);

increased respiratory rate (from 17 to 33/min with some paradoxical motion); and premature ven-tricular contractions (PVCs) increasing to an average of 5/min. Which of the following actions would be appropriate at this time? a. Reconnect the patient to the ventilator with prior settings. b. Encourage the patient to relax, and con-tinue careful monitoring. c. Request that the patient be given a stat (immediate) bolus of lidocaine. d. Request that the patient be given a strong sedative or hypnotic.