Term
| Thyroid gland secretory cells form a what? |
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Definition
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Term
| The follicle surrounds a what? |
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Definition
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Term
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Definition
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Term
| What does a colloid consist of? |
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Definition
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Term
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Definition
| precursoe protein from which thyroid hormones are formed. |
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Term
| What are the major thyroid hormones? |
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Definition
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Term
| What are T3 and T4 made from? |
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Definition
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Term
| What step is often blocked when hormones are being overproduced? |
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Definition
| oxidation to iodine (I2). |
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Term
| Because T3 and T4 aren't very water-soluble, they have to be carried through the circulation by what? |
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Definition
| thyroxine-binding globulin. |
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Term
| What is one of the main effects of thyroid hormones? |
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Definition
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Term
| Increased metabolic rate occurs by... |
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Definition
| increased O2 consumption and heat production. |
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Term
| Increased metabolic rate results in the breakdown of what? |
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Definition
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Term
| What are the effects of increased catecholamine action? |
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Definition
| increased cardiac output. |
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Term
| Thyroid hormones cause the stimulation of what? |
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Definition
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Term
| Thyroid hormones promotes the development of what in children? |
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Definition
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Term
| Epinephrine and norepinephrine are examples of what? |
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Definition
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Term
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Definition
| hypothyroidism during growing years. |
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Term
| Cretinism symptoms include: |
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Definition
| infant-like body proportions, reduced mental development. |
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Term
| Causes of hypothyroidism include: |
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Definition
| dietary iodine deficiency, radioactive iodine, pituitary & hypothalamic failure. |
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Term
| Symptoms of hypothyroidism include: |
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Definition
| patient fatigues easily, poor cold tolerance, weight gain, slow pulse, myxedema, carotenemia, and goiters. |
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Term
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Definition
| accumulation of hyaluronic acid and chondroitin in skin. |
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Term
| What does myxedema cause? |
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Definition
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Term
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Definition
| carotene deposited in the skin. |
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Term
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Definition
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Term
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Definition
| TSH levels are increased, promoting growth. |
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Term
| Symptoms of hyperthyroidism include: |
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Definition
| increased metabolic rate, weight loss, heat tolerance, irritability, increased heart rate, raise in temperature (sweating), and exophthalmos. |
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Term
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Definition
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Term
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Definition
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Term
| What does Grave's disease cause? |
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Definition
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Term
| What causes Grave's disease? |
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Definition
| body makes antibodies to TSH receptor. |
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Term
| What are the antibodies that are made in Grave's disease? |
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Definition
| thyroid stimulating immunoglobulin (TSI). |
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Term
| What is the function of TSI? |
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Definition
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Term
| Increase T3 causes what to decrease? |
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Definition
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Term
| Low thyroid + high TSH causes... |
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Definition
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Term
| High thyroid + low TSH causes... |
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Definition
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