A 55-Year-Old Man Comes to the Emergency Department Due to Several

question 460

Multiple Choice

A 55-year-old man comes to the emergency department due to several weeks of productive cough with occasional hemoptysis, weight loss, and low-grade fever.  He has lost 7 kg (15.4 lb) over the past 3 months.  Medical history is significant for type 2 diabetes mellitus and chronic kidney disease, and the patient works as a prison guard.  Temperature is 37.8 C (100 F) , blood pressure is 110/70 mm Hg, pulse is 78/min, and respirations are 18/min.  Chest x-ray reveals a right apical lung infiltrate and cavitary lesion.  He is placed in respiratory isolation, and appropriate empiric therapy is started.  The cavitary lesions seen in this patient most likely formed through which of the following pathogenic mechanisms?

• A)Aggregation of activated leukocytes
• B)Bacterial toxin-induced cell necrosis
• C)Exudation and alveolar hepatization
• D)Intraalveolar bacterial overgrowth
• E)Obliterative lower airway inflammation

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Definitions:

Government-Granted Exclusive Right

A privilege or authority granted by the government to an individual or organization, typically giving them the sole right to produce, use, or sell a particular good or service.

Willingness to Pay

The maximum amount that a consumer is prepared to spend on a good or service.

Profit

The financial gain achieved when the amount of revenue gained from a business activity exceeds the expenses, costs, and taxes involved in sustaining the activity.

Deadweight Loss

A loss of economic efficiency that occurs when the equilibrium for a good or service is not achieved or is unattainable.