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endocrine
glands
66
Nursing
Not Applicable
02/24/2011

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Term
What does the hypothalmus do.
Definition
Regulates the pituitary secretions of hormones
Regulates body’s homeostatsis
Site of hunger center, involved in appetite control and temperature control
Term
What are hormones responseible for regulating
Definition
Reproduction, growth and development, energy production and use, Maintenance of internal enviorment.
Term
What does the anterior pituitary do
Definition
Hypothalamic realeasing gactors stimulate the release or inhibit release of hormones.
Term
Hormones produced in the hypothalamus are stored in posterior lobe until stimulated by the hypothalamus via nerve impulses
Definition
posterior pituitary
Term
Antererior pituritary
Definition
FSH (follicle stimulating hormone)
LH (Luteinizing hormone)
GH (Growth hormone or somatotropin)
ACTH(Adrenocorticotropic hormone)
TSH (Thyroid stimulating hormone)
Term
Growth hormone is
Definition
increases bone growth and tissue cell size by chnging metabolism, Antagonizing the action of insulin, and increasing fat mobilization of enery use
Term
Deficiency of growth hormone may lead to
Definition
dwarfism- delay in all body parts with no mental impairment
Term
Excess of growth hormone-
Definition
Gigantism in childhood, or agromeglia in adults
Term
what is acromeglaly
Definition
is the enlargement of body extremities only
Term
Funtion of the posterior pituitary
Definition
Secretes adh, and secretes oxytocin
Term
What does adh do
Definition
increases water reabsorption by the kidneys
Term
What does Oxytocin do
Definition
stimulates contraction of a preganant uterus and milk injection also a bonding hormone
Term
What does siadh do
Definition
Increases adh release, water reabsorption in circulation-renal tubles, extravascular fluid, Glomerular filtration rate, Decreases- plasma osmolality serum sodium levels(CEREBRAL EDEMA)
Term
what doe siadh
Definition
syndrome of inappropriate anti-diuretic hormone release
Term
Diabetes Deficiency is what
Definition
adh is deficiency, increased water excretion and blood concentration, adh is a peptide an can not be taken orally
Term
Treatment for diabetes insipidus
Definition
Vasopressin, lypressin and desmopressin
Term
s/s of diabetes insipidus
Definition
high amounts or urine up to 12 times as much per day, thirst, high levels of sodium
Term
function of the Thryoid hormone
Definition
secretes t3 and t4 hormones, Secretes clcitonin, Regulates growth and development, metabolism and activity of the nervous system.
Term
What is Radioisotopes
Definition
radioactive iodine given by mouth to a fasting patient at 2, 6, and 24 hours-a scintillator is held over thyroid to measure how much of the isotope has been remvoed from the bloodstream.
Term
Protien bound iodine
Definition
A test of thyroid function that reflects the level of circulating thyroid hormone by determination of the level of protein – bound iodine in the blood
Term
what labs are tested in a thyroid profile
Definition
temp log, t3 uptake, t4, t7(fti), TSH
Term
S/s of hyperthyroid
Definition
increased metabolism, increase stimulation of sympathetic nervous system, (increase Heart Rate) Exopthalmos(bulging eyes)
Term
Diseases that cause hyperthyroid
Definition
Graves disease, Toxic goiter, Thyroiditis, excessive ingestion of thyroid hormone
Term
Graves disease is
Definition
s an autoimmune disorder that leads to overactivity of the thyroid gland (hyperthyroidism
Term
toxic goiter is
Definition
a thyroid gland that contains autonomously functioning thyroid nodules
Term
Thyroiditis is what
Definition
inflammation of the thyroid gland
Term
Tx for hyperthyroid
Definition
radioactive iodine, antithyroid agents, beta blockers, surgery
Term
what is PTU(propylthiouracil)
Definition
antithyroid
Term
what is the goal for radioactive iodine thereapy
Definition
is to destroy overactive thyroid cells
Term
Risk of radioactive iodine therapy
Definition
Hypothyroidism
Term
What is the pre0op for a subtotal thyroid ectomy
Definition
patient confindence and low anxiety, high caloric diet, educate on pre-op testing, instruction on supporting neck after surgery.
Term
Post op care for a thyroidectomy
Definition
assess surgical dressings, observe side and back of neck for bleeding, Monitor vs include o2 sat. asess for pressure or fulness at incision, Pain assessment, Semi fowlers position, Water when nausea subsides, talk as little as possible, monitor fo low ca levels, tetany
Term
Symptoms seen in hypothyroid
Definition
extrem fatigue, hairloss, brittle nails, wt gain, Severe subnormal temp, decreased heart rate, apathy, enlarged toungue, cad, atheroxclerosis
Term
Hypothyroid on infants
Definition
failure to thrive, mental retardation, creatism.
Term
Hashimotos disease is what
Definition
its where the immune system attacks the thyroid gland
Term
Function of the parathyroid
Definition
regulates concentration of calium in blood, PTH is released, located withing thyroid gland.
Term
Hyperparathyroidism is due Primarily what.
Definition
Primary parathyroid tumor or hyperplasia.
Term
Hyperparathyroidism is secondary to what
Definition
response to low ca levels.
ESRD- response to phosphate excretion problems.
Term
Tx for hyperparathyroidsim
Definition
surgical removal of faulty gland
Term
Function of the adrenal cortex
Definition
Term
Hypoparathyroidism
Definition
accidental removal or vascular damage during surgery
Term
What is addison's disease
Definition
Adrenocorticol insufficiency. Autoimmune in 80 percent of cases
Term
S/s of addisons disease
Definition
weight loss, anorexia, weakness, low bp, low sodium, high potassium, nausea and vomiting, diarrhea
Term
what is a adrenal crisis
Definition
is a life-threatening condition that occurs when there is not enough cortisol, a hormone produced by the adrenal glands
Term
Function of the adrenal medulla
Definition
secretes epinephrine and norepinephrine.
Term
Ephinephrine and norepinephrine do what to the body
Definition
increases heart rate, and blood pressure, constriction of arteriaes and liver releases gluco reserves
Term
Pheochromocytoma is
Definition
rare tumor of the adrenal tissue
Term
ovaries do what
Definition
secrete estrogen and prgesterone
Term
testes secret what
Definition
secrete androgens normally testosterone
Term
What is the endocrine function of the pancreas
Definition
secretion of insulin, glucagon, and somatostatin
Term
glucose is
Definition
a simple form of sugar
Term
glucose tolerance test
Definition
measures blood glucose levels after administration of an oral carbohydrate challenge and determines the body's ability to metabolize glucose
Term
What is type 1 diabetes
Definition
characterized by destruction of pancreatic beta cells. May have a combined genetic immunologic and possibly environmental factors
Term
type 1 diabetes requires what
Definition
insulin injections
Term
what is type 2 diabetes
Definition
characterized by insulin resistance and impaired insulin secretion
Term
Is type 1 or type 2 more prevalant
Definition
type 2 is accounts for 90%
Term
What is a big cause of type 2 diabetes
Definition
obesity
Term
What is a urnalysis looking for
Definition
indicates presence of glycosuria, ketonuria, not a screening tool
Term
Postprandial blood sugar
Definition
blood sample taken after a meal, usually 2 hours
Term
what is a normal lvl for PPBS
Definition
65-120 mg/dl
Term
Glucose tolerance test is
Definition
ingest 100g of carbohydrate solution within 5 mins
Term
How long must you fast for a GTT
Definition
8-12 hours
Term
Blood speciments are taken when during a GTT
Definition
30 miniutes after item drank
Term
What is a Hemoglobin A1C test
Definition
amount of glucose permanently bound to hemoglobin reveals the effectiveness of diabetes therapy for precding 8-12 weeks, controlled diabetic values are 6-7%
Term
Four main goals of diabetic treatment
Definition
1. Keep blood sugar as normal as possible. 2. Achieve optimal serum lipid levels, total cholesterol, LDL, tryglicerides, and HDL 3. provide adequate calories 4. Prevent, delay or treat nutrition-related risk factors or complications
Term
What is insulin
Definition
Is a hormone and absorbed into the bloodstream
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