As Part of the Urination Reflex, the Internal Urethral Sphincter

question 3

Multiple Choice

As part of the urination reflex, the internal urethral sphincter:

• A)relaxes
• B)contracts
• C)goes into spasm
• D)constricts

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Definitions:

Selection Bias

The bias that occurs in research outcomes when the participants are not randomly chosen, potentially leading to skewed or unrepresentative outcomes.

Survivorship

Refers to the health and life span of individuals following a diagnosis and treatment of a disease, with particular emphasis on the period after the point of disease remission or cure.

Screening Program

A public health initiative designed to identify disease in a community early, before symptoms appear, through tests and assessments.

Preclinical Phase

The stage of research that begins before clinical trials (testing in humans) can commence, involving in vitro (test tube or cell culture) and in vivo (animal) experimentation.