In an Experiment Examining the Effects of Running on Stress

question 60

Multiple Choice

In an experiment examining the effects of running on stress levels,one group of participants is tested after running on a treadmill for 30 minutes.A week later,the same group of participants is tested after resting on a bed for 30 minutes.This is an example of a ________ design.

• A)single-subjects
• B)between-subjects
• C)within-subjects
• D)matched groups

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Definitions:

Secondary Immune Response

The enhanced immune response elicited upon a second or subsequent exposure to a specific antigen, providing quicker and more effective protection.

Memory Cells

Long-lived immune cells that "remember" past infections, allowing for a faster and stronger response upon re-exposure to the same pathogen.

Latent Period

The time interval between exposure to a pathogen or initiating event and the onset of symptoms or disease.

Antigen

A substance that the immune system can recognize as foreign or dangerous, triggering an immune response.