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Endocrine LPN
Endocrine for LPN
| Question | Answer |
|---|---|
| Master Gland | Pituitary |
| GnRH | Gonadotropic releasing hormones |
| 3 Layers of adrenal cortex? | Outermost - Aldosterone; Middle - Cortisol and hydrocortisone; Inner - Aldosterone |
| Hypophysis | another name for pituitary |
| Secondary messenger hormones | Non steroid |
| Alpha Cells | Produce Glucagon; Stimulates glucose release in liver |
| Sex Hormones and Adrenal Cortex | Hormones are made of lipids and steroids |
| FSH | Matures Egg Follicle |
| LH | Releases Egg |
| Cause of Menses? | Decrease in progesterone |
| LH makes the Corpus Leutum | produce progesterone and a small amount of estrogen |
| ICSH | Causes Testes to release testosterone |
| PRL | Produces breast Milk |
| GH targets | bone |
| 2 hormones w/ inhibiting hormones | GH + PRL |
| Responsible for Milk Letdown Reflex? | Oxytocin |
| Cause of Milk production? | Prolactin |
| Important for CHF test | BNP |
| Infundibulum | Connects hypothalamus to pituitary |
| Made from Lipids | Steroids |
| Ghrelin | Released from stomach to boost appetite |
| Leptin | released from fat cells; decreases metabolism, determines hunger |
| FSH | Matures ovarian follicles; stimulates ovaries to release estrogen. In men, stimulates sperm |
| LH | Ovulation Hormone; ruptures ovarian follicle to release egg |
| Hypothalamus communicates w/ anterior side how? | blood via portal circulation |
| 2 hormones made by hypothalamus? | ADH and Oxytocin |
| ADH and Oxytocin is stored and released where? | neurohypophysis |
| cortisol and hydrocortisone | decrease inflammation; increase blood sugar |
| Converts glycogen to glucose | cortisol |
| a drop in BP releases | renin |
| erythropoietin | stimulated by drop in oxygen; causes RBC production |
| 4 Tropic Hormones | LH, FSH, ACTH, TSH |
| Tropic Definition | Stimulating hormone with acts on other organs |
| ACTH works on | Adrenal Cortex |
| TSH works on | Thyroid |
| Pancreatic Hormones come from | Islets of Langerhorns |
| Steroids cause | protein synthesis and fluid retention |
| Sex Hormones | Estrogen, testosterone, and progesterone |
| Posterior side | Neurohypophysis |
| Secretion of hormone | suppresses need for hormones |
| Adenohypophysis | Anterior Side |
| Hypothalamus | Controls Pituitary Gland |
| ANP | Atrial Naturopeptide; stimulates diuresis r/t fluid overload |
| what do beta cells produce? | Insulin |
| Aldosterone | Stimulates Kidneys to save Na+ and H2O to increase B/P. Excretes K+ in urine. Mineralcorticoid |
| Receptors on plasma | Non steroid |
| What attaches to nucleus? | Steroid Hormones |
| Comes from Adrenal Cortex and Gonads? | Steroids |
| Estrogen | Begins uterine thickening for pregnancy |
| Thymus | Produces thymosin. Stimulates immune system. Smaller in adulthood. |
| Largest endocrine gland | thyroid |
| 2 metabolic hormones | t3 + t4 |
| Parathyroid Glands | 4-6 glands on thyroid |
| Parathyroid Glands | increase blood Ca levels |
| Tetany | decrease in Ca |
| TSH | stimulates t3, t4, and calcitonin |
| Calcitonin | decreases blood Ca, increases bone Ca |
| ACTH | stimulates adrenal cortex |
| Vasopressin | Another name for ADH |
| Shows in pregnancy test? | HCG |
| Corpus Luteum | produces progesterone w/ a small amount of estrogen |
| GNRH is released from | hypothalamus during puberty |
| LH and FSH come from | adenohypohysis |
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