An 8-Year-Old Boy Is Evaluated in the Office Due to Difficulty

question 208

Multiple Choice

An 8-year-old boy is evaluated in the office due to difficulty walking.  The patient has problems running, jumping, and walking up steps.  There is no history of neurological disorders in the family.  Physical examination reveals weakness of lower extremity muscles bilaterally.  Electron microscopy of a biopsy sample taken from calf muscle is shown below. Which of the following labeled regions contains only thick filaments and no thin filaments?

• A)A
• B)B
• C)C
• D)D

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Definitions:

Long Range

Pertaining to planning or forecasting far into the future, often involving periods of several years or more.

Savers

Individuals or entities that set aside funds for future use, typically by depositing money in savings accounts or investing in securities.

Cash Movement

The inflow and outflow of cash within a business, highlighting the company's ability to generate cash and manage expenses.

Financial Markets

Platforms or systems that facilitate the trading of financial instruments such as stocks, bonds, currencies, and derivatives, allowing for the allocation of resources over time.