Occlusion of Which of the Following Would Primarily Damage the Posterior

question 64

Multiple Choice

Occlusion of which of the following would primarily damage the posterior wall of the heart?

• A) Circumflex artery
• B) Pulmonary artery
• C) Right marginal artery
• D) Coronary sinus artery
• E) Right coronary artery

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Definitions:

Most Recent Common Ancestor

The immediate forebear from whom every organism within a group directly originates.

Eukaryotes

Organisms whose cells have a nucleus enclosed within membranes, unlike prokaryotes (Bacteria and Archaea).

Negative Frequency-Dependent Selection

An evolutionary process where rare phenotypes have a selective advantage over more common ones, maintaining genetic diversity in a population.

Endosymbionts

Organisms that live within the body or cells of another organism in a mutually beneficial relationship, often essential for the host's survival.