An Elderly Immigrant from the Middle East Presents to Your

question 140

Multiple Choice

An elderly immigrant from the Middle East presents to your office complaining of numbness and tingling of his hands and feet.  He was diagnosed with pulmonary tuberculosis several months ago and is currently receiving isoniazid and rifampin.  Neurologic testing demonstrates sensory ataxia and decreased pain sensation in the distal extremities.  This patient's condition is most likely caused by:

• A)Immune-mediated demyelinization
• B)Bacterial toxin-mediated axonal damage
• C)Drug-mediated toxic neuron loss
• D)Vitamin deficiency
• E)Diabetic neuropathy

---

Definitions:

Operating Assets

Assets used by a business in its day-to-day operations to generate revenue, such as machinery, equipment, and inventory.

Maintenance Department

A department within an organization responsible for maintaining facilities, machinery, and equipment to ensure efficient operation.

Machine-hours

The total operational time recorded for machinery, often used in calculating production costs and efficiency.

Variable Cost

A cost that varies with the level of output or activity.