A 3-Year-Old Boy Is Brought to the Emergency Department for Refusal

question 126

Multiple Choice

A 3-year-old boy is brought to the emergency department for refusal to move his right arm.  This afternoon, he tripped while holding hands with his sister, who pulled up on his arm to prevent him from falling.  The patient immediately began to cry and has since refused to move the arm.  On physical examination, he holds the right arm against his abdomen with the elbow flexed and forearm pronated.  The patient cries with any attempted manipulation of the right elbow.  There is no visible swelling or deformity.  Which of the following structures is most likely affected in this patient's condition?

• A)Annular ligament
• B)Biceps tendon
• C)Interosseous membrane
• D)Radial collateral ligament
• E)Ulnar collateral ligament

---

Definitions:

Monetary Policy

The process by which a country's central bank or monetary authority controls the supply of money, often targeting an inflation rate or interest rate to ensure price stability and general trust in the currency.

Reserves

Vault cash and deposits of banks held by Federal Reserve district banks.

Deposits

Funds placed into an account at a financial institution for safekeeping and often to earn interest.

Federal Reserve

The central banking system of the United States, responsible for monetary policy, regulating banks, maintaining financial stability, and providing banking services to governmental institutions.