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Chapter 13 flashcards
Question | Answer |
---|---|
What is the function of the thyroid hormones T3 and T4? | Increase basal metabolic rate |
What is the function of oxytocin? | Enhance contraction of muscle cells in uterus and stimulate milk ejection from mammary glands |
What is the function of PRL? | Initiate and maintain milk production by the mammary glands |
What is the function of glucagon? | Increase blood glucose level when too low |
What is the function of ADH? | Causes the kidneys to retain more water, thus increasing urine volume |
What is the function of insulin? | Decreases blood glucose level when too high |
What is the function of epinephrine? | Increase blood flow to heart |
What is the function of hGh? | Promote synthesis and secretion of small protein hormones called IGH |
What is the function of cortisol? | Protein breakdown, Glucose formation, Breakdown of trigylicerides, and anti-iflammatory effects |
What is the function of TSH? | Stimulate synthesis and secretion of thyroid hormones by the thyroid glands |
What is the function of FSH & LH? | Initiate the development of follicles and triggering ovulation |
What is the funcion of progesterone? | Regulate menstrual cycle, maintain pregnancy, and prepare mammary glands for lactation |
What is the function of estrogen? | Regulate menstrual cycle, maintain pregnancy, and prepare the mammary glands for lactation |
What is the function of norepinephrine? | Increase blood flow to the body |
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 |
Describe the role of target cells and receptor sites | Target cells are specified for a given hormone and receptor sites bind and recognize hormones |
Identify the location of receptor sites for lipid soluble and water soluble hormones | Either on target cell surface or on the plasma membrane |
Describe 3 ways that hormone secretions are controlled | Signals from nervous system, Chemical changes in blood, and Other hormones |
Neuropathy | Disease of nerves, common with diabetes |
Hypophysectomy | Removal of pituitary gland |
Gangrene | Death of tissue secondary to low oxygen levels |
Emaciation | Extremely thin, wasting |
Diaphoresis | Excessive sweating |
Cachexia | State of malnutrition, wasting |
Anorexia | Loss of appetite |
Acidosis | Accumulation of acids in the blood, symptoms of diabetes |
Acromegaly | Enlarged and distorted extremities of the face |
Lacto | Prefix meaning milk |
Hyperinsulinism | Causes- diabetic injects too much insulin Symptoms- decreased blood glucose level, mental disorientation, convulsions, unconsciousness, and shock |
Type II Diabetes | Causes- overweight, target cells become less sensitive to insulin Symptoms- high glucose levels, low insulin/high insulin |
Type I Diabetes | Causes- immune system destroys pancreatic beta cells Symptoms- low insulin, breakdown of trigylecerides, ketone accumulation, fatty acids produce ATP |
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 |
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 |