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

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Definitions:

Convenience Sampling

A non-probability sampling method where participants are selected based on availability and willingness to take part, rather than random selection.

Researcher Convenience

A methodological approach where the ease of research execution for the researcher, rather than methodological rigor, determines key decisions.

Stratified Random Sampling

A method of sampling that involves dividing a population into strata, or groups, and then selecting random samples from each stratum to ensure representation across the population.

Sampling

The process of selecting a subset of individuals from a population to represent the whole, used in statistical analysis and research studies.