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EndocrineCh65
Assessment of Endocrine Systeem
| Question | Answer |
|---|---|
| Endocrine Hormones | regulate growth, affect metabolism, and organs |
| Pituitary | Base of the brain, "master Gland" releaes hormones that affects other glands |
| POSTERIOR PITUITARY HORMONES | ADH, Oxytocin |
| ADH (Vasopressin) | Causes kidney to reabsorb water and inhibit the formation of urine |
| SIADH(syndrome of inappropriate diuretic hormone) | Too much Anti-diuretic hormone |
| Diabetes insipidus | Not enough Anti-diuretic hormone |
| Oxytocin | causes the uterus to contract and the breast to produce milk |
| ANTERIOR PITUITARY HORMONES | GH,PROLACTIN, FSH,LH, ACTH, TSH |
| Growth Hormone | stimulates growth of bones and soft tissue (gigantism, acromegaly) |
| ACTH (adrenocoticotropic hormone) | stimulate the adrenal cortex to make and release corticosteroids |
| TSH | stimulates thyroid to make and release thyroid hormone |
| The function of the thyroid is | to maintain metabolism. It needs adequate iodine in the body |
| Calcitonin | maintains calcium levels.Lowers serum calcium and phosphate levels by INHIBITING bone resorption (breakdown) |
| Anterior pituitary | releases TSH causing thyroid to produce thyroid hormones (TH,T4,T3) made from iodine we get from food(salt) |
| Too much Thyroid hormone= | hyperthyroidism/increase metabolism/thin person |
| Too little Thyroid hormone (TH) | Hypothyroidism/decrease metabolism/obese person |
| Parathyroid (secretes PTH) | regulates calcium by causing bones to release calcium to increase serum calcium levels |
| Parathyroid hormone activates.... | Vit D which increases the absorption of calcium and phosphate in the GI tract |
| Calcium functions | bones, nerve impulses, blood clotting, muscle contraction |
| ADRENAL CORTEX(OUTER) Mineralocorticoids | Aldosterone promotes sodium and water retention to increase blood volume and blood pressure and excretion of potassium |
| ADRENAL CORTEX(OUTER) Glucocorticoids | Cortisol which affects metabolism of carbohydrates, protein and fat. Released in times of stress, responsible for emotional stability and depresses immune system |
| ADRENAL MEDULLA(Inner)/stimulation of sympathetic nervous system from stress causes release of | Catecholamines |
| Catecholamines: Epinephrine | the hormone stimulates > HR, sweating, dilated pupils, < gi motility, dilates bronchioles, > resp and glucose levels, released in stress |
| Epinephrine as medication | vasoconstrictor, cardiac stiumulant and relaxes bronchioles. Used in asthma attacks, allergic reaction to edema and > HR |
| Norepinephrine | vasoconstrictor that does not effect cardiac output |
| Levophed | given to increase b/p by peripheral vosoconstriction |
| Cortex hyperfunction | increase ACTH= Cushings |
| Cortex hypofunction | decrease cortisol= Addisons |
| Medulla hyperfunction | Pheochronocytoma(malignant hypertention due to a tumor) |
| Pancreas1)Alpha Cells2)Beta Cells | 1)glucagon, increases glucose2)insulin, decreases glucose |
| Vitiligo | patches of depigmented skin that occurs with decreased adrenal function |
Created by:
letta
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