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BIOS E-162B Undergraduate Review

BIOS E-162B Undergraduate Review. Obesity and the Regulation of Body Weight November 28, 2010. 1. How do you calculate BMI?. 2. What are some consequences of obesity?. 3. T/F: People who are obese have very low basal metabolic rates.

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BIOS E-162B Undergraduate Review

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  1. BIOS E-162B Undergraduate Review Obesity and the Regulation of Body Weight November 28, 2010

  2. 1. How do you calculate BMI?

  3. 2. What are some consequences of obesity?

  4. 3. T/F: People who are obese have very low basal metabolic rates.

  5. 4. Which hormones are responsible for short-term regulation of appetite? • Ghrelin • Leptin • PYY • Adiponectin

  6. 5. Match the hormone with where it is produced • Ghrelin a. Adipose tissue • Leptin b. Small intestine/colon • PYY c. Stomach • Adiponectin

  7. 6. T/F: Injection of leptin is a treatment for obese individuals

  8. 7. In obese individuals, are levels of these hormones increased or decreased? • Leptin • PYY • Ghrelin • Adiponectin

  9. Notes about appetite regulation and reproductive hormones • Expression of adiponectin is inhibited by androgens • Lack of leptin inhibits LH and FSH

  10. Answers • BMI=weight (kg) / height^2 (m) > 30 • Atherosclerosis, hypertension, type 2 diabetes, cancer, asthma, gallstones, osteoarthritis, infertility, sleep apnea, GI reflux • False • Ghrelin, PYY • 1c, 2a, 3b, 4a • Usually, false, unless they have a genetic mutation of the gene that produces leptin • 1. increased 2. decreased 3. decreased 4. decreased

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