Which of the Following Decrease the Risk of Occurrence of Ventricular

question 15

Multiple Choice

Which of the following decrease the risk of occurrence of ventricular fibrillation?

• A)An enlarged ventricle
• B)A lengthened ventricular refractory period
• C)Decreased electrical conduction velocity
• D)Exposure of the heart to 60-cycle alternating current
• E)Epinephrine administration

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Definitions:

Iron-Sulfur World

A theory regarding the origin of life on Earth, suggesting that life began at hydrothermal vents, where iron and sulfur compounds provided the energy and catalytic surfaces for the synthesis of organic molecules.

Hydrothermal Vents

Fissures in the deep ocean floor that release hot water and inorganic compounds.

Organic Molecules

Chemical compounds that contain carbon and are found in all living organisms, essential for life.

Organic Polymers

Large molecules composed of repeated subunits (monomers) that are typically carbon-based, like proteins, nucleic acids, and plastics.