alarm reaction


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alarm reaction

n.
The initial stage in the body's response to stressful stimuli, characterized by adaptive physiological changes, such as increased hormonal activity and increased heart rate.
References in periodicals archive ?
HIT advocates believe that the alarm reaction and the resistance and musculoskeletal adaptation occur from one strength-training session to the next.
These substances, which include pet dander, certain foods, molds and pollens, cause a false alarm reaction because your immune system treats them as invaders, generating large amounts of the disease-fighting protein immunoglobulin E, or IgE, a type of antibody.
2) The alarm reaction produces physiological changes, known collectively as "fight-or-flight" syndrome, in response to an emergency.