A 6-Year-Old Boy Is Brought to the Emergency Department Due

question 16

Multiple Choice

A 6-year-old boy is brought to the emergency department due to bleeding after a dental extraction earlier this morning.  The patient's past medical history is significant for painful swelling of his knee joints after minor trauma.  Aspiration of the joints during several occasions yielded frank blood, and he was diagnosed with hemarthrosis.  He has no known allergies.  Currently, hemostasis in this patient most likely can be achieved by the administration of which of the following?

• A)Factor XII
• B)Fibrinogen
• C)Protein C
• D)Thrombin
• E)Urokinase

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Definitions:

Respiratory Rate

The number of breaths taken per minute, a vital sign indicating the breathing rate of an individual.

Capillary Refill

The time taken for color to return to an external capillary bed after pressure is applied; used to assess peripheral blood flow.

IV Solution

A liquid solution delivered directly into a vein through an intravenous line for hydration or medication.

Infusion Rate

The speed at which a drug or other substance is administered intravenously to a patient, usually measured in milliliters per hour (ml/hr).