A Young Man Who Works on a Ranch and Lives

question 1

Multiple Choice

A young man who works on a ranch and lives in the log bunkhouse experiences sudden fever with muscle aches. A few days later he begins to cough and have difficulty breathing, and goes to an urgent care clinic. A blood sample reveals a high leukocyte count and low platelets. A Gram stain of a sputum sample shows only a few small bacteria present. Which of the following is the most likely infecting agent?

• A) Hantavirus
• B) Mycoplasma pneumonia
• C) Histoplasma capsulatum
• D) Bacillus anthracis
• E) influenza

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Definitions:

Anterior Corticospinal Tract

A descending spinal tract that originates in the cerebral cortex and carries motor signals to the spinal cord, involved in the direct control of movements especially of the limbs.

Tectospinal Tract

A neural pathway in the central nervous system that mediates reflex postural movements in response to visual stimuli.

Motor Cortex

An area of the cerebral cortex that plays a crucial role in the planning, control, and execution of voluntary movements.

Wilder Penfield

A neurosurgeon known for his pioneering work in mapping the human brain's functions through electrical stimulation.