Refer to the Diagram Below

question 22

Multiple Choice

Refer to the diagram below. What is the correct order of structures in the electrical excitation pathway that generates a normal heartbeat?

• A)1,2,3,4,5,6
• B)1,5,4,2,3,6
• C)6,3,2,4,5,1
• D)3,6,2,4,1,5
• E)3,2,6,4,5,1

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Definitions:

Tissue

Groups of cells within an organism that have similar structure and function.

Cytoplasm

The material within a living cell, excluding the nucleus, containing various organelles and substances.

Nuclear Membrane

The lipid bilayer membrane which surrounds the genetic material and nucleolus in eukaryotic cells.

Cyt/o

A prefix or combining form used in medical terminology to denote cells, often used to refer to cell types or cell study.