The Following Are Structural Components of the Conducting System of the Heart

question 165

Multiple Choice

The following are structural components of the conducting system of the heart.
1.Purkinje fibers
2) AV bundle
3) AV node
4) SA node
5) bundle branches
The sequence in which excitation would move through this system is which of the following?

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

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Definitions:

Type O Blood

A blood group in the ABO system characterized by the absence of A and B antigens on red cells, making it a universal donor for red cell transfusion.

Alleles

Different forms of a gene that arise by mutation and are found at the same place on a chromosome, influencing the development of different traits or characteristics in an organism.

Mendel's Law

Principles established by Gregor Mendel defining the inheritance patterns of traits through generations, including the law of segregation and independent assortment.

Independent Assortment

A principle of genetics stating that genes for different traits are separated into gametes independently of each other during meiosis.