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Chapter 13 flashcards

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Question
Answer
What is the function of the thyroid hormones T3 and T4?   Increase basal metabolic rate  
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What is the function of oxytocin?   Enhance contraction of muscle cells in uterus and stimulate milk ejection from mammary glands  
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What is the function of PRL?   Initiate and maintain milk production by the mammary glands  
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What is the function of glucagon?   Increase blood glucose level when too low  
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What is the function of ADH?   Causes the kidneys to retain more water, thus increasing urine volume  
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What is the function of insulin?   Decreases blood glucose level when too high  
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What is the function of epinephrine?   Increase blood flow to heart  
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What is the function of hGh?   Promote synthesis and secretion of small protein hormones called IGH  
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What is the function of cortisol?   Protein breakdown, Glucose formation, Breakdown of trigylicerides, and anti-iflammatory effects  
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What is the function of TSH?   Stimulate synthesis and secretion of thyroid hormones by the thyroid glands  
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What is the function of FSH & LH?   Initiate the development of follicles and triggering ovulation  
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What is the funcion of progesterone?   Regulate menstrual cycle, maintain pregnancy, and prepare mammary glands for lactation  
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What is the function of estrogen?   Regulate menstrual cycle, maintain pregnancy, and prepare the mammary glands for lactation  
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What is the function of norepinephrine?   Increase blood flow to the body  
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Compare and Contrast how endocrin and exocrine glands work   Both participate in secretion but exocrine secrete into ducts out of the body and endocrine secrete into interstitial fluid and carried throughout body  
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Describe the role of target cells and receptor sites   Target cells are specified for a given hormone and receptor sites bind and recognize hormones  
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Identify the location of receptor sites for lipid soluble and water soluble hormones   Either on target cell surface or on the plasma membrane  
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Describe 3 ways that hormone secretions are controlled   Signals from nervous system, Chemical changes in blood, and Other hormones  
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Neuropathy   Disease of nerves, common with diabetes  
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Hypophysectomy   Removal of pituitary gland  
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Gangrene   Death of tissue secondary to low oxygen levels  
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Emaciation   Extremely thin, wasting  
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Diaphoresis   Excessive sweating  
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Cachexia   State of malnutrition, wasting  
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Anorexia   Loss of appetite  
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Acidosis   Accumulation of acids in the blood, symptoms of diabetes  
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Acromegaly   Enlarged and distorted extremities of the face  
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Lacto   Prefix meaning milk  
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Hyperinsulinism   Causes- diabetic injects too much insulin Symptoms- decreased blood glucose level, mental disorientation, convulsions, unconsciousness, and shock  
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Type II Diabetes   Causes- overweight, target cells become less sensitive to insulin Symptoms- high glucose levels, low insulin/high insulin  
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Type I Diabetes   Causes- immune system destroys pancreatic beta cells Symptoms- low insulin, breakdown of trigylecerides, ketone accumulation, fatty acids produce ATP  
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Addisons Disease   Causes- hyposecretion of glucocorticoids and aldosterone Symptoms- mental lethargy, anorexia, nausea, vomiting, weight loss, hypoglycemia, weakness, low blood pressure, dehydration, elevated potassium, decreased sodium  
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Cushings Disease   Causes- hypersecretion of cortisol by adrenal cortex, breakdown of muscle protein Symptoms- spindly arms/legs, "moon" face, "buffalo hump", hanging abs, hyperglycemia, osteoporosis, weakness, mood swings  
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