Which of the Following Sequences Correctly Depicts the Normal Pattern

question 3

Multiple Choice

Which of the following sequences correctly depicts the normal pattern of sequential depolarization of the structures of the heart?
(1) right and left bundle branches
(2) sinoatrial (SA) node
(3) subendocardial Purkinje network
(4) bundle of His
(5) atrioventricular (AV) node

• A) 5, 2, 4, 1, 3
• B) 2, 5, 4, 1, 3
• C) 2, 3, 4, 1, 5
• D) 2, 5, 3, 1, 4

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Definitions:

Flashover

An event in which an entire room or area bursts into flames almost simultaneously, often due to the rapid spread of fire through combustible materials.

Bomb Calorimeter

An apparatus used to measure the heat of combustion of a sample, essential in the determination of calorific values.

Conservation of Energy

A fundamental principle of physics stating that the total energy in an isolated system remains constant, though it may change forms, such as from kinetic to potential energy.

Heat Lost

The amount of heat energy that escapes or is unintentionally transferred from a system to its surroundings.