TEST 3 NUR 254 Answered 100% Correct

Hypothalamus - ANSWER-brain region controlling the pituitary gland. Secrets CRH, GN-RH, GHRH, SOMATSTATIN GHIH, PROLACTIN-INHIBITING HORMONE, AND TRH pituitary gland - ANSWER-The endocrine system's most influential gland. Under the influence of the hypothalamus, the pituitary regulates growth and controls other endocrine glands. adrenal cortex - ANSWER-outer section of each adrenal gland; secretes (gluticocorticoids) cortisol, (mineralcortocoids) aldosterone, and sex hormones adrenal medulla - ANSWER-secretes (catecholamines) epinephrine and norepinephrine Anterior pituitary gland - ANSWER-Secretes tropic hormones such as thyroid stimulating hormone (TSH), ACTH, growth hormone (somatotropic hormone), and the gonadotropins, prolactin, melanocyte stimulating hormone Posterior pituitary gland - ANSWER-(Vasopressin)ADH and oxytocin parathyroid glands - ANSWER-small pea-like organs that secretes parathyroid hormone (PTH) to regulate calcium and phosphate balance in blood, bones, and other tissues Posterior pituitary disorders - ANSWER-diabetes insipidus SIADH Posterior pituitary disorders - ANSWER-Hormone: ADH (Antidiuretic hormone) Target: Distal tubules and collecting ducts of kidneys Action: Increases water reabsorption diabetes insipidus - ANSWER-Decreased secretion of antidiuretic hormone (ADH, vasopressin) from posterior pituitary Secondary to: Brain tumors Neuorsurgery Head trauma Clinical Manifestations Of Diabetes Insipidus - ANSWER-Polyuria - Enormous output of "water-like urine" w/ urine specific gravity 1.005 (normally 1.010-1.030). ℅ nocturia. Polydipsia - Intense thirst Hemoconcentration - Elevated serum sodium (145 mEq/L) and hematocrit (50%) Volume deficit - hypotension, tachycardia, tenting turgor, fatigue, prolonged capillary refill