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6365 Physiology

A 88 year-old woman from Mexico is admitted to the hospital following a bout of severe vomiting and generalized weakness. Initial laboratory values reveal elevated Cat levels. The referring physician tells you that she has breast cancer and her bone scan indicates metastasis to bone. The most likely cause of hypercalcemia is:

AIncreased PTH production
BIncreased responsiveness of the PTH receptor 1
CIncreased PTHrP production
DDecreased responsiveness to calcitonin
Physiology
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6371 Physiology

A man loses his right hand in a farm accident, four year later, he has episodes of severe pain in the missing hand (phantom limb pain). A detailed PET scan study of his cerebral cortex might be expected to show

AExpansion of the right hand area in his right somatic sensory area I
BExpansion of the right hand area in his left somatic sensory area I
CProjection of fibre from neighboring sensory areas into the right hand area of his right somatic sensory area I
DProjection of fibers from neighbouring sensory areas into the right hand area of his left somatic sensory area I
Physiology
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