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:

Money Supply

The sum of financial resources, comprising cash and deposits in banks, accessible in an economy at a particular moment.

Price Level(P)

A measure of the average prices of goods and services in an economy, often used to compare the overall cost of living or inflation rate over time.

Money Demanded

The total amount of money that households and businesses want to hold at a given time, influenced by interest rates, income, and prices.

Interest Rate

The rate, calculated as a percentage of the principal, which a lender requires a borrower to pay for borrowing assets.