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161609 Pediatrics

A 13-year-old boy has a 3-day history of low-grade fever, symptoms of upper respiratory infection, and a sore throat. A few hours before his presentation to the emergency room, he has an abrupt onset of high fever, difficulty swallowing, and poor handling of his secretions. He indicates that he has a marked worsening in the severity of his sore throat. His pharynx has a fluctuant bulge in the posterior wall. A soft tissue radiograph of his neck is shown. Which of the following is the most appropriate initial therapy for this patient?

ANarcotic analgesics
BTrial of oral penicillin V
CSurgical consultation for incision and drainage under general anesthesia
DRapid streptococcal screen
Pediatrics
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161610 Physiology

A 40-year-old developed pathological fractures and was found to be having low bone density after a Dexa Scan. Laboratory tests show low plasma calcium, elevated PTH levels, and low vitamin D levels. The patient is on a balanced diet. However, the patient’s plasma creatinine and urea are elevated markedly. Which of the following is the most likely reason for the hypocalcemia and reduced bone mass?

AExcessive urinary excretion of calcium
BImpaired secretion of calcitonin
CA parathyroid gland tumor generating excessive amounts of PTH
DReduced renal activity of 1 alpha-hydroxylase activity
Physiology
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