A 54-Year-Old Man Comes to the Emergency Department with Pain

question 237

Multiple Choice

A 54-year-old man comes to the emergency department with pain and swelling in the right leg.  The patient has no other medical problems and takes no medications.  He has smoked a pack of cigarettes daily for the past 30 years.  He is a business executive and just returned from an overseas trip.  Physical examination shows pitting edema of the right leg and tenderness on deep palpation of the calf muscles.  Peripheral pulses are symmetric and full.  He is started on a medication that prolongs activated partial thromboplastin time and prothrombin time in a dose-dependent manner but has no effect on thrombin time.  Which of the following agents was this patient most likely administered?

• A)Cyclooxygenase inhibitor
• B)Direct factor VIIa inhibitor
• C)Direct factor Xa inhibitor
• D)Direct thrombin inhibitor
• E)Unfractionated heparin

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Definitions:

Quantity Supplied

The actual amount of a good or service producers are willing to sell at some specific price.

Supply Curve

A graphical representation that shows the relationship between the price of a good and the quantity of the good that suppliers are willing and able to sell, holding other factors constant.

Price-elastic

Refers to the responsiveness of the demand for a good to a change in its price; highly price-elastic goods see significant changes in demand when prices fluctuate.

Shifts to the Right

A phrase indicating an increase in supply or demand in economic graphs, typically showing improvement or growth.