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515 > Stress: Biogical > Flashcards

Stress: Biogical Flashcards

1
Q

Stress

A

General term that could refer to a stressor or a response to stress

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2
Q

Stressor

A

A situation or stimulus that elicits the stress response

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3
Q

Stress response

A

Physiological response to stressor (fight or flight)

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4
Q

How do we have a stress response?

A

Caused by a perception of adverse or threatening stimuli

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5
Q

What does the endocrine system do?

A

Transmits info and regulating bodily functions, by releasing hormones

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6
Q

3 types of hormones

A

Amines
Proteins & peptides
Steroids

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7
Q

Amines

A

Epinephrine from the adrenal glands

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8
Q

Proteins and peptides

A

Insulin from the pancreas

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9
Q

Steroids

A

Cortisol from the adrenal glands

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10
Q

Why is a cell a target?

A

Because it has a specific receptor for the hormone

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11
Q

Systems involved in stress response

A

Autonomic- is active

Endocrine

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12
Q

What are adrenal glands

A

Two small glands located on each kidney top

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13
Q

What do each adrenal glands consist of

A

Adrenal medulla
Epinephrine
Norepinephrine
Adrenal

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14
Q

Adrenal cortex

A

Releases steroids after it is stimulated by ACTH adrenoCorticoTropic hormone

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15
Q

Immediate effects of stress response

A

Increased:
Heart rate, oxygen intake, glucose levels, blood flow to muscles

Inhibition of: digestion & immune system

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16
Q

HPA (Harry potters ass)

A

Hypothalamo-pituitary-adrenal cortex axis

LONG TERM

17
Q

SAM

A

Sympathetic adrenal medullary

SHORT TERM STRESS RESPONSE

18
Q

Thalamus

A

Acts as a gatekeeper to filter sensory stimuli

19
Q

Hormones

A

Norepinephrine
Epinephrine
Glucocorticoid

20
Q

Axis

A

Sequential signalling between endocrine glands/ tissues

21
Q

Amygdala

A

Involved in the control and expressions of emotions (fear, anxiety)
Moderates the HPA- axis

22
Q

Hippocampus

A

Involved in memory consolidation of influences by cortisol

23
Q

Adverse effects of stress

A

Long term exposure to stressors cause physiological and physical harm

24
Q

Chronic elevated glucocorticoid levels are associated with

A

High blood pressure
Damage to muscle tissue
Steroid diabetes
Infertility

515 (15 decks)

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