Week 4 - Energy Imbalance Flashcards
Which hormone slows gastric empyting and leads to a feeling of fullness?
CCK
During fasting, beta cells release _____ which decreases appetite and food intake
glucagon
this hormone signals to the body that there are sufficient fat stores
Leptin
In prader willi syndrome, which hormone is elevated?
Ghrelin
Which 2 hormones are involved in energy balance and fat storage?
adiponectin
leptin
which hormone signals that the body has stored enough body fat
leptin
which hormone signals that the body can store more body fat
adiponectin
adiponectin levels _____ as body fat decreases
increase - this improves body’s sensitivity to insulin and enhances the body’s capacity to store fat
low levels of ____ hormone are associated with increased risk of T2DM
adiponectin
Leptin levels ____ as body fat increases
increase
How can adipose tissue mass increase?
- More trigycerides = bigger adipocytes
- adipocytes can grow in # as immature ones divide to make more (but this only happens when BMI reaches 40)
What does BMI need to be in order to be eligible for bariatric surgery?
> 40
35 with comorbidiits
how much of the stomach is removed in the LVSG laproscopic vertical sleeve gastrectomy?
85%
Which bariatric procedure removes most of the stomach, leaving a narrow banana shapored portion
laproscopic vertical sleeve gastroectemy
What does macronutrient intake look like pre-surgery?
low carb
so fat
high protein
(no fibre)
what are post-op surgery requirements?
1.5g/kg of ideal body weight
Minimum 60g/day
What vitamins should you take for the rest of your life post surgery?
- Multivitamin (if it only contains 4-9 mg of iron, take 2x)
- calcium citrate 600 mg x 3
- B12 - 600 mcg
- vitamin D - 3000 IU