What Is the Life Expectancy of a Patient Diagnosed with Progressive

question 34

Multiple Choice

What is the life expectancy of a patient diagnosed with progressive idiopathic pulmonary fibrosis?

• A) Less than 2 years
• B) Less than 4 years
• C) Less than 6 years
• D) Less than 7 years

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Definitions:

Schwann Cells

Specialized cells that form the myelin sheath around nerve fibers in the peripheral nervous system, aiding in the rapid transmission of electrical signals.

Oligodendrocytes

A type of glial cell in the central nervous system that produces the myelin sheath, helping to increase the speed at which electrical impulses propagate along nerve cells.

Myelin Sheath

A fatty layer that encases and insulates the axons of many neurons, allowing for faster transmission of electrical signals along the nerve cells.

Astrocytes

Star-shaped glial cells in the brain and spinal cord involved in physical support, repair, and nutrient transport within the central nervous system.