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A 31-Year-Old Man Comes to the Emergency Department with a 2-Week

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A 31-year-old man comes to the emergency department with a 2-week history of fever, night sweats, and productive cough.  He has also had a 5-kg (11-lb) weight loss.  He has no other medical problems.  The patient is a software engineer who moved to the United States from Uzbekistan 15 years ago.  He takes no medications and has no known drug allergies.  His temperature is 38.3 C (101 F) , blood pressure is 110/80 mm Hg, pulse is 94/min, and respirations are 18/min.  He weighs 60 kg (132.3 lb) .  Pulse oximetry shows 94% on room air.  Chest-x ray reveals a cavitary lesion on the right.  Sputum culture is obtained.  When exposed to drug A, isolates of the pathogen growing in culture quickly become less resistant to decoloration with an acid-alcohol agent and stop proliferating.  Which of the following is drug A most likely to be?

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Definitions:

Beet Juice

A liquid extracted from beets, known for its nutritional benefits and potential use in food coloring and health drinks.

Refined Sugar

Sugar that has been processed to remove impurities and is typically found in a granulated form suitable for consumption.

Financial Advantage

The benefit gained in financial terms from a particular action or situation, often measured in terms of profit, savings, or net worth.

Practical Capacity

The maximum output that a company can produce in a real-life scenario, taking into account planned maintenance, breaks, and other non-operational activities.

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