Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
25 Cards in this Set
- Front
- Back
|
fight or flight
|
in response to impending danger, muscles are primped, attention is focused and nerves are readied for action
|
|
|
continued exposure to the systems that respond to threat of danger can cause...
|
heart disease, obesity, arthritis, and depression, as well as accelerate the aging process
|
|
|
how many americans feel that they are under great stress at least once a week?
|
60%
|
|
|
stress can..
|
cause disease and exacerbate existing ones
|
|
|
stress
|
any external stimulus that threatens homeostasis
|
|
|
3 major communication systems
|
voluntary nervous system, automatic nervous system and roendocrine system
|
|
|
acute stress enhances...
|
memory of threatening event, increased activity in the immune system and helps protect the body from pathogens
|
|
|
chronic stress can cause...
|
memory impairment, energy being stored as fat, and immune function suppression
|
|
|
immune system
|
receives messages from the nervous system
|
|
|
stress related disorders...
|
colitis, high blood pressure, clogged arteries, impotency and loss of sex drive in males, irregular menstrual cycles, diabetes and cancer
|
|
|
how many ailments seen in doctors offices are stress related?
|
2/3
|
|
|
stress can also be induced by...
|
believing that homeostasis may be disrupted.
|
|
|
lack or loss of control is...
|
a particularly important feature of severe psychological stress that can have physiological consequences
|
|
|
when confronted with a crucial physical challenge, properly controled strress responses can...
|
provide the extra strength and energy needed to cope.
|
|
|
the acute physiological response to stress...
|
protects the body and brain and helps to reestablish or maintain homeostasis
|
|
|
stress that continues for prolonged periods...
|
can repeatedly elevate the physiological stress responses or fail to shut them off when not needed.
|
|
|
the automatic nervous system is...
|
the sympathetic branch and the parasympathetic branch combined.
|
|
|
various "stress hormones" travel through the blood and stimulate the release of other hormones, which affect bodily processes...
|
such as metabolic rate and sexual functions.
|
|
|
major stress hormones are...
|
epinepherine and cortisol
|
|
|
when the body is exposed to stressors...
|
ephinephrine is quickly released into the blood stream to put the body in a general state of arousal and enable it to cope with a challenge
|
|
|
adrenaline...
|
mobilizes energy and delievers it to muscles for the bodys response.
|
|
|
adrenal glands...
|
help protect us from stress and are essential for survival
|
|
|
elevate ephinephrine increases...
|
blood pressure
|
|
|
elevated cortisol epinephrine can contribute to...
|
chronic hypertension, abdominal obesity, and atherosclerosis
|
|
|
adrenaline also inreases he activity of body chemicals that contribute to...
|
inflammation and these chemicals add to the burden of chronic stress, potentially leading to atheroscerosis, arthritis, and possibly also aging of the brain.
|
