The PR Interval in Figure 18

question 10

Multiple Choice

The PR interval in Figure 18

• A)Is constant.
• B)Varies.
• C)Is about 0.12 seconds.
• D)Is about 0.20 seconds.

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Definitions:

ROM

Read-Only Memory, a non-volatile storage medium that is used to store firmware.

Startup Instructions

A set of operations performed by a computer's firmware, or its operating system, to initialize the hardware before the main software loads.

Computer

An electronic device capable of performing complex calculations and tasks, processing data, and executing programs based on instructions provided.

Stylus

A pen-shaped device used to tap or write on touch-sensitive screens.