Which Statement About Atrial Fibrillation Is Correct

question 20

Multiple Choice

Which statement about atrial fibrillation is correct?

• A)It is the most common genetic cardiac disorder worldwide.
• B)A variety of different genes can contribute to its expression.
• C)It is found exclusively in adults over 60 years old.
• D)When severe, it leads to long QT syndrome.

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Definitions:

Genotype

The genetic makeup of, or combination of alleles in, an individual. Compare with phenotype.

Genetic Makeup

The complete set of genes or genetic material present in a cell or organism.

Gametes

Gametes that merge in the process of sexual reproduction to create a new life form.

Genotype

The genetic makeup of an organism, consisting of both the visibly expressed genes and those that are not expressed.