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15288 Pathology

A 59-year-old male is found to have a 3.5-cm mass in the right upper lobe of his lung. A biopsy of this mass is diagnosed as a moderately differentiated squamous cell carcinoma. Workup reveals that no bone metastases are present, but laboratory examination reveals that the man’s serum calcium levels are 11.5 mg/dL. This patient’s paraneoplastic syndrome is most likely the result of ectopic production of

AParathyroid hormone
BCalcitonin
CParathyroid hormone-related peptide
DCalcitonin-related peptide
Pathology
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15290 Pathology

A 2-week-old baby is irritable and feeding poorly. On physical examination, the infant is irritable, diaphoretic, tachypneic and tachycardic. There is circumoral cyanosis, which is not alleted by nasal oxygen. A systolic thrill and holosystolic murmur are heard along the left sternal border. An echocardiogram reveals a hea defect in which the aoa and pulmonary aery form a single vessel that overrides a ventricular septal defect. What is the appropriate diagnosis?

AAtrial septal defect
BCoarctation of aoa, preductal
CPatent ductus aeriosus
DTruncus aeriosus
Pathology
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