Obesity Flashcards
People with BMI >35 have an increase in what 2 things with regards to fat cells? (S, N)
size and number
People with BMI < 35 have an increase in what 1 thing with regard to fat cells? (S)
size
What is Broca’s Index (IBW) for:
- Men
- Women
- cm-100=IBW (kg)
2. cm-105=IBW (kg)
What is IBW using English units for:
- Men
- Women
- 106 lbs + 6 lbs for each inch over 5 ft= IBW (lbs)
2. 105 lbs + 5 lbs for each inch over 5 ft=IBW (lbs)
What is BMI formula using metric scale?
kg/m^2
What is lean body weight formula?
IBW + 20% of actual body weight=LBW
What is BMI for these obesity classifications?
- Underweight
- Normal weight
- Overweight
- Obesity class 1
- Obesity class 2
- Obesity class 3
- Super Obesity
- <18.5
- 18.5-24.9
- 25-29.9
- 30-34.9
- 35-39.9
- 40-49.9
- 50 and above
What are the 3 ways to be classified as MORBID obesity?
- 100 lbs over IBW
- BMI of 40 or more
- BMI of 35 or more and experiencing obesity-related problems like HTN or DM2
Apple shaped obesity has high incidence of what system?
Cardiovascular (LV)
What 2 related reasons do apple shaped have cardiovascular dysfunction? (GI, DSHBLTITL)
- glucose intolerance
2. decrease sex hormone binding leading to increased testosterone levels
Do apples or pears lose weight easier?
apples
what 2 areas do apples have more fat?
abdominal wall and visceral mesentery
what 2 areas do pears have more fat?
buttocks and legs
Is fat more metabolically active in apples or pears?
apples
Is fat distribution or absolute body fat mass a better determinant of morbidity and mortality?
fat distribution
Waist to hip ratio is an effective way to examine what? (RFT)
regional fat distribution
Waist to Hip Ratio health risk for men:
- High risk
- Moderate risk
- Low risk
- > 1.0
- .9-1.0
3.
Waist to Hip Ratio health risk for women:
- High risk
- Moderate risk
- Low risk
- > .85
- .8-.85
3.
What 4 anatomical airway changes are decreased in obese pts? (NF, NE, MO, M-SFPD)
- neck flexion
- neck extension
- mouth opening
- mandible-sternal fat pad distance
In what 2 directions is the larynx appeared in obese pts? (H, A)
high and anterior
Is the airway wider or narrower in obese pts?
narrower
Do paralytics help or hurt the airway view?
hurt
Is chest wall compliance increased or decreased?
decreased
Decreased chest wall compliance is what type of lung disease? (R)
restrictive
Obesity cause what type of spinal movement to the thorax and what type of spinal movement to the lumbar? (K, L)
thoracic kyphosis and lumbar lordosis
thoracic kyphosis and lumbar lordosis cause a limited rib movement resulting in a relative fixation of what? (T)
The thorax
Does obesity elevated or depress the diaphragm?
elevate
What happens to lung compliance in obesity?
It is normal unless the lungs have coexisting disease
Kyphosis equals increased what “c” word?
concavity
Lordosis equals decreased what “c” word?
convexity
What respiratory pattern is related to obesity? (R,S)
rapid and shallow
What compliance is decreased in obesity? (CWC)
chest wall compliance
What respiratory system change is increased in obesity? (WOB)
work of breathing
What 2 respiratory system changes are double arrow down decreased in obesity?
functional residual capacity and expiratory reserve volume
Do all obese pts have a decreased tidal volume?
no
what type of obese pts have a decreased tidal volume? (P)
pickwickian
what respiratory measurements are single down arrowed in obesity? (IRV, VC, IC/TLC)
- inspiratory reserve volume
- vital capacity
- inspiratory capacity/total lung capacity