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Information Refer to the following information: Thyroid-stimulating hormone (TSH) is a hormone produced by the pituitary gland in your brain. This gland tells the thyroid
Information Refer to the following information: Thyroid-stimulating hormone (TSH) is a hormone produced by the pituitary gland in your brain. This gland tells the thyroid to produce thyroxine (T4) and then triiodothyronine (T3) which stimulates the metabolism of almost every tissue in the human body. Using a simple blood draw, information on how the thyroid is functioning can be elucidated. TSH level 40.4 mUL Hyperthyroidism 04 -40 mU/L Normal 4.1 -8.0 mU/L Hypothyroidism 39.0 mULL Extreme hypothyroidism According to the American Thyroid Association, plasma TSH levels are normally distributed with a mean value of 3.0 mU/L and a standard deviation of 0.5 mU/L. Q 15 Approximately, how many of the 10,000 people in the study are expected to have hypothyroidism (TSH level >4.0 mU/L)? (Hint: without using the z-table, recall how observations are distributed within 1, 2, and 3 standard deviations) Select one: O a. 100 0 b. 250 O c. 500 O d. 1000 O e. 2500 Q 16 The American Thyroid Association is considering to establish new criteria for hyperthyroidism which will constitute the bottom 2%. What is the cutoff TSH level for the proposed wperthyroidism level? Select one: O a. 1.64 O b. 1.98 O c. 2.05 O d. 3.25 O e. 4.03
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