During Defecation

question 52

Multiple Choice

During defecation,

• A) stretch receptors in the rectal wall activate sympathetic centers in the spinal cord.
• B) stretch receptors in the rectal wall activate parasympathetic centers in the spinal cord.
• C) stretch receptors in the rectal wall activate both sympathetic and parasympathetic centers in the spinal cord.
• D) the internal anal sphincter is consciously relaxed.
• E) the external anal sphincter contracts.

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Definitions:

Population Variances

A measure of the dispersion or spread of a set of values in a population, reflecting how much the values differ from the population mean.

One-Way ANOVA

A statistical test that compares the means of three or more independent samples to determine if at least one sample mean significantly differs from the others.

Sample Sizes

The number of observations or units in a subset of the population chosen for analysis in a statistical study.

Completely Randomized Design

Completely Randomized Design is an experimental design where subjects are randomly assigned to treatments, ensuring that the treatments are allocated without bias.