The Newest Discovery in the Research on the Experience of Pain

question 3

Multiple Choice

The newest discovery in the research on the experience of pain is that certain types of _____ may play in important role in chronic pain. ​

• A)free nerve endings
• B)glial cells
• C)gate neurons
• D)endorphins

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Definitions:

Zero-coupon Bonds

Bonds that do not pay periodic interest and are sold at a discount from their face value; the return comes from the difference between the purchase price and the face value paid at maturity.

Yield To Maturity

The total return expected on a bond if it is held until the date it matures, including all interest payments and the repayment of the principal.

Annual Interest

The amount of money earned or paid on an investment or loan over a one-year period, expressed as a percentage of the principal.

Coupon Rate

Coupon rate is the annual interest rate paid by a bond, expressed as a percentage of the bond's face value, and is a critical factor in determining the bond's yield.