The Most Accurate Way to Determine Heart Rate Would Be

question 1

Multiple Choice

The most accurate way to determine heart rate would be to

• A)Count the number of P waves in a minute-long rhythm strip.
• B)Count the number of QRS complexes in a minute-long rhythm strip.
• C)Count the number of QRS complexes on a six-second strip and multiply by 10.
• D)Count the number of P waves on a six-second strip and multiply by 10.

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Definitions:

Negative Correlation

A relationship between two variables in which an increase in one variable is associated with a decrease in the other.

Correlational Studies

Studies designed to yield information concerning the degree of relationship between two variables.

Ex Post Facto Design

A scientific study in which the values of the independent variable are not manipulated, but selected by the experimenter after the groups have naturally divided themselves.

Descriptive Research

A method of research that aims to observe and describe characteristics of a subject without influencing it.