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Module 4 Reading Assignment - Overweight
and Underweight (5.0 reviews)
lipoprotein lipase (LPL)
- promotes fat storage in the body
- Obese individuals have higher levels of LPL in their system. Even with moderate elevations of
calories in their diet, fat is very easily deposited with this high level of LPL.
- after weight loss, LPL activity rises, increasing the most with individuals who were obese before
weight loss
causes of obesity
- Overeating
- Sleep (lack of)
- Hormonal imbalance
- High amounts of stress
- Gut bacteria
%
- Early onset obesity
Ghrelin hormone
a hormone released by the stomach that increases appetite and energy storage in the body, and
amounts increase in response to a lack of food intake
Leptin hormone
a hormone made by fat cells that decreases your appetite. Typically, levels of leptin are lower when
you are thin and higher when you are overweight
- many obese people have built up leptin resistance. In leptin-resistant people, the reward system
doesn't tell a person to stop eating when leptin levels increase
An obese person tends to have higher levels of:
a.
Ghrelin
b.
Leptin
c.
Testosterone
d.
Glucagon
b. leptin
Which of the following is a major predictor of adult obesity?
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a.
Excess leptin production
b.
Ghrelin resistance
c.
Obesity during the pre-adolescent years
d.
Being breastfed as an infant
c. obesity during the pre-adolescent years
Which of the following hormones increases appetite and energy storage?
a.
leptin
b.
ghrelin
c.
cortisol
d.
estrogen
b. ghrelin
What happens to fat cells when you lose weight?
%
a.
Some are destroyed
b.
They shrink in size
c.
They turn into muscle mass
d.
They multiply, so it is easier to regain the lost weight
b. they shrink in size
Which of the following is an effective way to reduce "stress eating"?
a.
Low carbohydrate diet
b.
Supplementation with omega-3 fatty acids
c.
Supplementation with probiotics
d.
Exercise
d. exercise
What effect does sleep deprivation have on weight management?
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