Stress Flashcards
(45 cards)
The cluster of physiological changes associated with stress is defined as
The stress response
Stress can be ____ or ____
Acute
Chronic
Stressors acting on neural circuits involve the release of: (3)
ACTH
PVN
Glucocorticoids
Most common glucocorticoid
Cortisol
Stressors activate the ____ nervous system
Sympathetic
2 things released from the adrenal medulla in response to stress?
Epinephrine
Norepinephrine
ACTH acts on the
Adrenal gland
ACTH is a
Hormone
ACTH acts on the adrenal gland, which involves the release of (3)
Glucocorticoids
Norepinephrine
Epinephrine
Psychosomatic disorders are medical disorders with…
Psychological factors playing a causal role
Bacteria causing gastric ulcers?
H-Pylori
H-Pylori is present in 75% of people WITHOUT stomach ulcers. What does this suggest?
Insufficient in causing disorder alone
Stress increases susceptibility
If microorganisms breach surface barriers and enter the body, they are met by two lines of defence:
- Innate immune system
2. Adaptive immune system
Two sub-types of the immune system?
Innate and adaptive
Together, the innate and adaptive immune system constitute the
Immune system
Which is the first immune system to react?
Innate immune system
Which is the QUICKEST immune system to react?
Innate immune system
One of the first reactions from the INNATE immune system is
Inflammation
The innate immune system is triggered when
Toll-like receptors bind to molecules on surface of pathogens
The group of peptide hormones causing inflammation is called
Cytokines
Cytokines
Group of peptide hormones
Involved in innate immune response
Cytokines attract (2)
Leukocytes
Phagocytes
Cytokines also promote the healing of…
Damaged tissue
One example of a phagocyte
Microgalia