Cortisol Flashcards

1
Q

Diminishes peripheral uptake (regulatory point in controlling blood glucose) and utilization of glucose; promotes gluconeogenesis in liver metabolism cells; enhances gluconeogenic response to other hormones; promotes lipolysis in adipose tissue

A

Carbohydrate and lipid metabolism

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2
Q

Increase protein synthesis in liver and decreases protein synthesis (including immunoglobulin synthesis ) in muscle, lymphoid tissue, adipose tissue, skin, and bone; increases plasma level of amino acids; stimulates deamination in liver

A

protein metabolism

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3
Q

High levels of cortisol used in drug therapy suppress inflammatory response and inhibit proinflammatory activity of many growth factors and cytokines; however, over time some individuals may develop tolerance to glucocorticoids, causing an increased susceptibility to both inflammatory and autoimmune diseases

A

Anti-inflammatory effects (systemic effects)

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4
Q

Cortisol levels released during stress response may increase proinflammatory effects

A

Proinflammatory effects (possible local effects)

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5
Q

Lipolysis in extremities and lipogenesis in face and trunk

A

Lipid metabolism

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6
Q

treatment levels of glucocorticoids are immunosuppressive.
T-cell or innate immune system is particularly affected by these larger doses of glucocorticoids, with suppression of T-helper cell 1 (Th1) function or innate immunity; stress can cause a different pattern of immune response; these nontherapeutic levels can suppress innate (Th1) and increase adaptive (Th2) immunity—the so-called Th2 shift

A

Immune effects

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7
Q

Promotes gastric secretion

A

Digestive function

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8
Q

Enhances excretion of calcium

A

Urinary function

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9
Q

Decreases proliferation of fibroblasts in connective tissue (thus delaying healing)

A

Connective tissue function

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10
Q

Maintains normal contractility and maximal work output for skeletal and cardiac muscle

A

Muscle function

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11
Q

Decreases bone formation

A

Bone function

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12
Q

Maintains normal blood pressure; permits increased responsiveness of arterioles to constrictive action of adrenergic stimulation; optimizes myocardial performance

A

Vascular system/myocardial function

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13
Q

Somehow modulates perceptual and emotional functioning; essential for normal arousal and initiation of daytime activity

A

Central nervous system function

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14
Q

May suppress maternal immune system to prevent rejection of fetus

A

Possible synergism with estrogen in pregnancy?

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