A Pacemaker That Appears Unexpectedly at an Abnormal Site in the Heart

question 1

Multiple Choice

A pacemaker that appears unexpectedly at an abnormal site in the heart muscle is called a(n) _________ .

• A)heart muscle cannot serve as a pacemaker
• B)supplemental rhythmic center
• C)extrasystole
• D)ectopic pacemaker

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Definitions:

NMR Spectrum

A representation that displays the different environments of hydrogen or carbon atoms in a compound as a result of nuclear magnetic resonance spectroscopy.

NMR Data

pertains to information derived from Nuclear Magnetic Resonance spectroscopy, revealing details about molecular structure, dynamics, and environment.

Triplet

A term used in quantum mechanics and spectroscopy that describes a state of a system (such as an electron) with a spin quantum number of 1, indicating three possible orientations.

Doublet

A splitting pattern in spectral analysis (NMR) showing two peaks of equal intensity, indicating the presence of two magnetic nuclei split by coupling.