corbitt A&P
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endocrine glands are | ductless
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hormones = | regulatory chemical substance, travels via blood) that regulate metabolic activity in the cells
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target cells/target organs= | tissue affected by hormone
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What are two name for the pituitary gland | master gland & hypophysis
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define negative feedback mechanism | main method of regulation
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Growth hormones is secreted by | anterior pituitary gland
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anterior pituitary gland major effects are directed | to the growth of the skeletal muscles and long bones of the body
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anterior pituitary gland increases | the rate of cell division
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gigantism= | excess growth hormone in children
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acromegaly= | excess growth hormone in adults
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Prolactin is secreted by | anterior pituitary gland
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Prolactin stimulates and maintains the production of | milk
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ACHT functions during stress, and regulates the renal | cortex
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thyroid-stimulating hormones influences the | growth and activity of the thyroid gland
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A deficiency of what leads to sterility | FSH & LH
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FSH & LH are secreted by | anterior pituitary gland
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What 2 hormones are secreted by the posterior pituitary gland | ADH & oxytocin
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ADH= | antidiuretic hormone
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ADH conserves | water
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Which hormone functions with a positive feedback mechanism | oxytocin
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Another name for ADH is | vasopressin , because of its effect on blood pressure
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How does vasopressin (ADH) affect blood pressure | increases blood pressure by causing constriction of the arterioles
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Diabetes insipidus is due to a deficiency of | ADH
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Where is the thyroid gland located | base of throat
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What are the two major hormones of the thyroid gland | thyroxine (T4) & triidothyronine (T3)
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What is necessary for the synthesis of thyroxine (T4) and triidothyronine (T3) | Iodine
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Goiter= | thyroid enlargement often due to deficiency of iodine
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Myxedema = | hyposecretion of the thyroid gland
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what are the s/s of Myxedema | patient is sluggish, weight gain, dry hair and skin
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Grave's disease= | hyperthyroidism
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what are the s/s of Grave's disease | weight loss, agitated, irritable, Exophthalomos
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Exophthalmos= | bulging of the eyeballs
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Where are the parathyroid glands located | on the back of the thyroid glands
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The parathyroid glands function in regulation of | calcium
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tetany= | muscle spasms due to a decrease in calcium
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Where are the adrenal glands located | on top of the kidneys
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The adrenal cortex produces 3 major groups of steroid hormones known as | corticosteroids
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The hormones of the adrenal cortex are | 'long term stressors' meaning they assist us through those everyday stresses
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Mineralocorticoids= | mainly aldosterone (conserves sodium)
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Glucocorticoids= | cortisone and cortisol
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Cortisol has an | antiflammatory effect
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What are the main sex hormones | estrogen and testosterone
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Describe Addison's disease | hyposcreation of all adrenal cortex hormones
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s/s of Addison's disease | skin turns bronze
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Describe Cushing's syndrome | hypersecreation of Glucocorticoids
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s/s of Cushing's syndrome | moonface, buffalo hump, facial hair, receding hair line
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The adrenal medulla produces 2 similar hormones | epinephrine (adrenaline) and nonepinephrine (nonadrenaline). These assist with 'short term stressors", such as flight or fight
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What properties does the pancreas have | exocrine and endocrine
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The pancreatic islets are also know as | Islets of Langerhans
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Islets of Langerhans have what properties | endocrine. These 2 hormones are insulin and glucagon
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How does insulin affect the blood sugar | lowers blood sugar
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How does glucagon affect blood sugar | raises blood sugar
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What is the normal range of blood sugar | 70-110 mg/dl
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Define diabetes mellitus | increases in blood sugar levels
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List the 3 p's diabetes | polyuria, polydipsia, polyphagia
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polyuria= | excessive urine
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polydipsia= | excessive thirst
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polyphagia= | excessive hunger
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FBS= | fasting blood sugar
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RBS= | random blood sugar
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PPBS= | post-prandial blood sugar
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GTT= | Glucose tolerance test
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IDDM- | insulin dependent diabetes mellitus, Type I
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NIDDM= | non-insulin dependent diabetes mellitus, Type II
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Who are the only people who have gestational diabetes? | pregnant women
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The pineal gland is located | in the brain
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The pineal gland responds to | light
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The pineal gland secretes the hormone | melatonin
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The pineal gland affects our | circadian rhythm
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Where is the thymus gland located | posterior to the sternum and upper thorax
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What is large in infants but decrease as we age | thymus gland
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The thymus gland produces | T cells (the cells affected by HIV)
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The male gonads are | the testes
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The female gonads are the | ovaries
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menarche= | 1st menstrual cycle
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menopause= | the stopping of the menstrual cycle
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androgens= | male sex hormone
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Sexual development is influenced by the | pituitary gland, gonads, and adrenal glands
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A temporary endocrine gland is what | the placenta; women will only have it when pregnant
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hyperglycemia= | increased blood sugar
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hypoglycemia= | decreased blood sugar
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glycosuria= | sugar in urine
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