The Most Common Cause of Myasthenia Gravis Is

question 25

Multiple Choice

The most common cause of myasthenia gravis is

• A) Excess acetylcholinesterase
• B) Failure of vesicle fusion on the presynaptic neuronal mem brane
• C) Increased diffusion distance to the muscle mem brane
• D) Autoimmune destruction of the acetylcholine receptor
• E) Poisoning by curare

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Definitions:

Retained Earnings

The portion of a company's profit that is held or retained and not paid out as dividends to shareholders, often used for reinvestment in the business or to pay off debt.

Paid-In Capital

The total amount of money that shareholders have invested in the company by purchasing shares directly from the company.

Common Stock

Equity ownership in a corporation, where holders often have voting rights but are last in line in claims to assets and income.

Preferred Stock

A class of ownership in a corporation that has a higher claim on its assets and earnings than common stock.