Down Syndrome Is Caused by the Presence of A(n)________ Chromosome

question 98

Multiple Choice

Down syndrome is caused by the presence of a(n) ________ chromosome.

• A)extra
• B)distorted
• C)recessive
• D)elongated

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Definitions:

Fibrillation

An irregular, often rapid heart rate that commonly causes poor blood flow to the body.

Arrhythmia

An irregularity in the heartbeat rhythm, which can range from minor to serious health concerns.

Fibrillation

An uncoordinated twitching of the muscle fibers, particularly noted in the heart muscle.

Palpitation

A sensation in which a person is aware of an irregular, hard, or rapid heartbeat.