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NURS 300- Bariatrics Exam Questions And Correct Answers

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NURS 300- Bariatrics Exam Questions And Correct Answers...

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  • October 10, 2024
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  • 2024/2025
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  • NURS 300- Bariatrics
  • NURS 300- Bariatrics
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NURS 300- Bariatrics Exam Questions And
Correct Answers


Epidemiology of obesity

At an epidemic level globally

is more common in indigenous populations, among men, and in older age,

complex medical, physical, social, and psychological causes



Hormones and peptides involved in obesity

Leptin, Ghrelin, Peptide YY



Leptin

A hormone secreted by adipocytes, serving as a satiety factor in the regulation of
appetite. Due to the high levels, resistance develops which leads to being less satisfied.



Ghrelin

Exercised by an empty stomach to arouse hunger. In obese individuals, this does not
decrease after eating, leading to overeating.



Peptide YY

Hormone made in the small intestine which delays gastric emptying -> less hungry.
Obese individuals make less of this, therefore over-eating



adipogenesis

Mesenchymal cells: Give rise to pre-adipocytes which proliferate locally

, Preadipocytes: Unlimited supply of these through life, so can grow endlessly



Adipocyte/Lipocyte: From cell differentiation, fill with lipids



Adipocyte Hypertrophy: Excessive increase in size and number leads to obesity. Can
continue to store lipids and grow to 1000x their size.




BMI calculation

Body Mass Index: weight (kg) / height (m^2)




A BMI of less than 18 is

Underweight




A BMI of 18-24.9 is

normal weight




A BMI of 25-29.9 is

overweight

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