Why Is the Electrical Signal Delayed Slightly at the AV

question 21

Multiple Choice

Why is the electrical signal delayed slightly at the AV node?
1) To allow better filling of the ventricles
2) To protect the ventricles against excessively rapid atrial rates
3) To provide time for atrial contraction prior to ventricular systole
4) To prevent premature atrial beats from reaching the ventricles

• A)1 and 3
• B)2 and4
• C)1 and 2
• D)2, 3, and 4

---

Definitions:

Retained Earnings

The amount of net income left over for the business after it has paid out dividends to its shareholders, often reinvested in the business or used to pay down debt.

Marketable Securities

Financial instruments that can be easily converted into cash, often including stocks, bonds, and other securities traded on public exchanges.

Fair Value

The price that would be received for selling an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date.

Bonds Payable

Long-term liabilities representing amounts owed by an entity to bondholders, to be repaid at specified maturity dates with interest.