The trachea
A. is lined by dense regular connective tissue.
B. is reinforced with C-shaped cartilages.
C. contains the vocal cords.
D. always maintains the same diameter.
E. ends distally at the level of the diaphragm.
Select your answer:
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Pancreatitis › ViewA 70-year-old man with chronic obstructive pulmonary disease on home oxygen, congestive heart failure, and multiple prior complex abdominal operations presents to the general surgery clinic having experienced recurrent, severe acute pancreatitis episodes in the setting of known pancreas divisum. His gastroenterologist has performed a complete workup, and there are no other inciting factors. What treatment option would you offer this patient?
A. Serial imaging every 6 months
B. Observation alone
C. Endoscopic minor papilla sphincterotomy
D. Open surgical minor papilla sphincteroplasty
E. Total pancreatectomy and denervation
Neurological Disorders › View
Select the TRUE statements about the pathophysiology of multiple sclerosis
A. Plaques of demyelination, disseminated in time and space, interfere with neuronal transmission
B. The dendrites on the neuron are overstimulated leading to the destruction of the axon.
C. The dopaminergic neurons in the part of the brain called substantia nigra have started to die.