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2958 Anaesthesia

A 25 year old male with roadside accident underwent debridement and reduction of fractured both bones right forearm under axillary block. On the second postoperative day the patient complained of persistent numbness and paresthesia in the right forearm and the hand. The commonest cause of this neurological dysfunction could be all of the following except –

ACrush injury to the hand and lacerated nerves
BA tight cast or dressing
CSystemic toxicity of local anaesthetics
DTourniquet pressure
Anaesthesia
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2961 Anaesthesia

A 72-year-old man undergoes a subtotal colectomy for a cecal perforation due to a sigmoid colon obstruction. He has had a prolonged recovery and has been on total parenteral nutrition (TPN) for 2 weeks postoperatively. After regaining bowel function, he experienced significant diarrhea. Examination of his abdominal wound demonstrates minimal granulation tissue. He complains that he has lost his taste for food. He also has increased hair loss and a new perioral pustular rash. Which of the following deficiencies does he most likely have?

AZinc
BSelenium
CMolybdenum
DChromium
Anaesthesia
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