A 46-Year-Old Man with a 30-Pack-Year Smoking History Develops Right

question 38

Multiple Choice

A 46-year-old man with a 30-pack-year smoking history develops right leg pain and swelling after returning from an overseas trip.  He is diagnosed with a lower extremity deep venous thrombosis and is started on intravenous heparin.  Shortly after being hospitalized, he develops right-sided weakness and facial droop.  CT scan of the head reveals a left middle cerebral artery stroke.  Which of the following physical examination findings is most likely to be present in this patient?

• A)Diastolic decrescendo-type murmur that decreases following amyl nitrite inhalation
• B)Ejection-type systolic murmur that increases on standing
• C)Presystolic murmur that disappears with atrial fibrillation
• D)Midsystolic click that occurs earlier with inspiration
• E)Wide splitting of S2 that does not change with respiration

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Definitions:

Possibility Frontier

Also known as the production possibility frontier, it represents the maximum possible output combinations of two goods or services an economy can achieve with available resources and technology.

Production Possibility

The combination of goods and services that can be produced given available resources and technology, illustrating the trade-offs in production.

Linear

Describes a relationship or function that represents a straight line when graphed, indicating a constant rate of change.

Positive Economics

The branch of economics that concerns the description and explanation of economic phenomena, focusing on facts and cause-and-effect relationships without making judgments.