Oxygen Moves from Alveoli to the Bloodstream

question 14

Multiple Choice

Oxygen moves from alveoli to the bloodstream

• A) because the concentration of oxygen is greater in alveoli than in the blood.
• B) mainly due to the activity of carbonic anhydrase in the red blood cells.
• C) because of its attraction to hemoglobin.
• D) to counter the high concentration of CO₂ in the blood.
• E) because of all of these.

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Definitions:

Yield to Call

The return an investor would receive if a callable bond is held until the issuer exercises the call option.

Par Value

The nominal or face value of a bond, share of stock, or coupon as stated by the issuer.

Coupon Rate

The interest rate stipulated on a bond or fixed-income security that the issuer pays to the holders periodically until maturity.

Current Yield

The annual income (interest or dividends) divided by the current price of the security, expressed as a percentage.