What Structure in the Heart Delays the Electrical Impulse Momentarily

question 38

Multiple Choice

What structure in the heart delays the electrical impulse momentarily to allow for complete contraction of the atria and filling of the ventricles with blood from the atria?

• A) Bundle of His
• B) AV node
• C) SA node
• D) Cuspid valves

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Definitions:

Net Present Value (NPV)

The variance between the current value of incoming cash and the current value of outgoing cash throughout a specific duration.

Internal Rate of Return (IRR)

The discount rate that makes the net present value (NPV) of all cash flows from a particular project zero.

Net Present Value (NPV)

A calculation that compares the value of all cash inflows and outflows of a project or investment using a discount rate, to determine the project’s profitability.

Internal Rate of Return (IRR)

A method of calculating an investment's rate of return that makes the net present value of all cash flows equal to zero.