The First Phase of the Cardiac Cycle Is

question 50

Multiple Choice

The first phase of the cardiac cycle is:

• A) systole.
• B) diastole.
• C) contraction.
• D) ejection.

---

Definitions:

Null Hypothesis

A statement or hypothesis that assumes no statistical significance exists in a set of given observations, serving as the default assumption to be tested.

P-value

A measure in statistics that helps in assessing the strength of the results from a hypothesis test, indicating the probability of observing the data if the null hypothesis is true.

Degrees of Freedom

Degrees of freedom refer to the number of independent values in a calculation that are free to vary when estimating statistical parameters.

Degrees of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution, typically in the context of parameter estimation.