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Medical Questions & Answers
Allergy and Immunology MCQs
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Which of the following hormones is most important in the initiation of gallbladder contraction following a fatty meal?
During a barroom fight, a 24-year-old man is hit with a bottle on the lateral aspect of the lower leg. The man receives a deep laceration about halfway down his lower leg, in the vicinity of the fibula. Following the injury, he loses sensation over most of the dorsum of the foot. Which of the following muscles is also innervated by the nerve that was likely damaged?
A Guatemalan child with a history of meconium ileus is brought to a clinic because of a chronic cough. The mother notes a history of respiratory tract infections and bulky, foul-smelling stools. After assessment of the respiratory tract illness, the physician should also look for signs of
A 4-year-old boy presents to the emergency room with muscle spasms. His past medical history is significant for recurrent infections and neonatal seizures. Evaluation of his serum electrolytes reveals hypocalcemia. This patient would be most susceptible to which of the following diseases?
To provide anesthesia to a patient in the third stage of labor, an obstetrician palpates the ischial spine transvaginally, then injects a local anesthetic. Injection of anesthetic at this approximate location will most likely block which of the following nerves?
A 45-year-old male presents to the physician with muscle cramps, perioral numbness, and irritability over the past 3 to 4 months. Lab results reveal hypocalcemia, normal albumin level, and hyperphosphatemia . Parathyroid hormone level is decreased. Alkaline phosphatase level is normal. Which of the following is most likely causing this clinical scenario?