A 7-Year-Old Boy Is Brought to the Emergency Department After

question 35

Multiple Choice

A 7-year-old boy is brought to the emergency department after falling during recess.  His teacher saw him jump off a swing and fall onto his outstretched left arm.  The patient developed immediate pain in the arm and now refuses to move it at the elbow.  On examination, the left arm is grossly deformed, swollen, and slightly pale.  The radial pulse is intact.  The patient's x-ray is shown below. Two hours later, while the patient is awaiting surgery, pain and swelling continue to increase despite administration of nonsteroidal anti-inflammatory drugs and opioid analgesics.  Which of the following complications is most likely present in this patient?

• A)Avascular necrosis of the humeral physis
• B)Compartment syndrome of the arm
• C)Injury to the brachial artery
• D)Neurapraxia of the median nerve
• E)Venous thrombosis of the proximal upper extremity

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Definitions:

Inferior Goods

Goods for which demands decrease when people’s incomes rise.

Increase in Demand

A situation where there is a rise in consumer desire to purchase goods and services, often leading to higher prices and greater sales volumes.

Equilibrium Price

The price at which the quantity of a product offered is equal to the quantity of the product demanded, creating a balance without excess supply or demand.

Equilibrium Quantity

The quantity of goods or services supplied and demanded at the equilibrium price, where market supply and demand are balanced.