Calcium That Is Needed to Activate Cross-Bridging in Smooth Muscle

question 139

Multiple Choice

Calcium that is needed to activate cross-bridging in smooth muscle mainly comes from

• A)endoplasmic reticulum.
• B)extracellular fluid.
• C)intracellular fluid.
• D)dense bodies.

---

Definitions:

Statistical Significance

A statistical measure that helps to determine whether the observed findings are unlikely to have occurred by chance.

T Value

A value calculated from sample data used to assess whether a null hypothesis should be rejected in the context of a t-test.

Population's Standard Deviation

A measure of the dispersion or spread of scores within a given population, indicating the average distance from the mean.

Observed Z Value

The value resulting from a Z-test statistic used in hypothesis testing, representing how many standard deviations an observation is from the mean.