Which Sequence Places the Components of the Electrical Activity of the Heart

question 58

Multiple Choice

Which sequence places the components of the electrical activity of the heart in the proper order?

• A) AV node, Purkinje fibres, SA node
• B) Purkinje fibres, AV node, SA node
• C) SA node, AV node, Purkinje fibres
• D) AV node, SA node, Purkinje fibres

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Definitions:

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Sexually transmitted infections that can be transmitted through direct skin-to-skin contact, not requiring the exchange of bodily fluids.

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The process of becoming infected with the Human Immunodeficiency Virus, which can lead to AIDS if not treated.

Chain Migration

The social process by which immigrants from a particular town follow others from that town to a particular city or neighborhood in a new country.

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A state in which an individual has limited contact with others and lacks a wider social network, leading to feelings of loneliness or seclusion.