The Impulse Created by the Natural Pacemaker of the Heart

question 17

Multiple Choice

The impulse created by the natural pacemaker of the heart travels

• A) across both atria at the apex of the heart to the atrioventricular septum, through the interventricular septum to the base of the heart, and back to the apex of the heart.
• B) across both atria at the base of the heart to the atrioventricular septum, through the interventricular septum to the apex of the heart, and back to the base of the heart.
• C) across both ventricles at the apex of the heart to the interventricular septum, through the atrioventricular septum to the base of the heart, and back to the apex of the heart.
• D) across both ventricles at the base of the heart to the interventricular septum, through the atrioventricular septum to the apex of the heart, and back to the base of the heart.

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Definitions:

Inductive Reasoning

A reasoning method where several assumptions, considered or proven to be true frequently, are merged to reach a particular conclusion.

Deductive Reasoning

A logical process where conclusion is based on the concordance of multiple premises that are generally assumed to be true.

Abductive Reasoning

A form of logical inference that begins with an observation or set of observations then seeks to find the simplest and most likely explanation.

Analogies

Analogies are comparisons made between two things that are otherwise unlike, but have some similarities, often used to explain or clarify complex concepts by relating them to more familiar ones.