How is iron easily stored in the body? Is it easily excreted?
Stored in liver and other organs not readily excreted
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what is the role of iodine w respect to thyroid gland?
Helps make thyroid hormones (t3 t4)
help make thyroid gland to function properly
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what can a deficiency iodine increase the risk for?
Can cause goiter → enlarged thyroid gland
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what are good sources of iodine?
Iodized salt
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what are the imp. functions of zinc in terms of sexual maturation?
Helps produce sex gonads
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what is the relationship of zinc w respect to colds, pressure wounds, and smell and perception?
Optimize smell and taste, not prevent cold but decrease cold length can also help heal pressure wounds
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what can a deficiency of zinc increase the risk for?
Can increase risk for dwarfism
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what condition is caused by excessive fluoride intake and what pop. is at high risk?
fluorosis → cosmetic issue of teeth not detrimental
children under 8 are most at risk
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what is the main function of chromium
Coenzyme in optivating insulin
increases insulin sensitivity
decreasing insulin resistance
maintains blood sugars
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when are chromium supplements helpful for type 2 dm?
Only when found low serum lvl in bloo
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define energy balance and how does it related to body weight in terms of negative, neutral and positive
the relationship b/w the amt of energy input and the amt of energy output
* negative→ calorie output is exceeds calorie intake=weight loss * neutral→ calorie intake is = to calorie output, no weight change * positive→ calorie intake exceeds calorie output= weight gain
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what are the four sources of energy intake
carbs (4cal/g), protein (4cal/g) , fats (9cal/g), alcohol (7cal/g)
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what are the three sources of energy expended
* BMR (basal metabolic rate) * thermic effect of food TEF * PA physical activity
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what is the relationship of aging w respect to BMR, LBM, fat tissue, weight gain after 30
bmr decrease
lean body mass decrease
fat tissue increase
1 lb per yr after 30
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define the dif. levels of PA
sedentary, light, moderate, high activity
sedentary→ typical desk worker, sleeping, sitting all day
light→ less than 2 hrs
moderate→gym 3x/week, not rlly sitting
high activity→ sports, manual labor, runner
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how do each factor affect BMR
decreases
growth increases
physiological stress ?
abnormal thyroid regulation hypo→slow, hyper→fast
fever increase
height increase
extrem temps increases
starving, fasting, malnutrition decreases
weight loss from calorie deficit decreases
smoking nic increases
caffeine increases
medication depends on med
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how does weight statistically correlate to health
idk
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define and calculate BMI and categories of BMI
bmi is body mass index
categories:
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what are the pitfalls of BMI
does not take into account gender, LBM-muscle, bone and water and fat composition
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what does research recommend w respect to BMI for the asain pop.
lower cutoff point
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body distribution in terms of male and female numerical references
females >35 in.
males >40 in.
= higher chances of mortality and comorbidities
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what is the difference b/w visceral and subcutaneous fat
Visceral more toxic and detrimental fat is at wasit visceral @ waist and butt
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what is the difference b/w pear and apple shaped in terms of health risks
pear shaped less detrimental
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what are the 6 potential causes of obesity
calories
set point theory: whatever body weight is currently at is where the bod wants to stay
hormones
behavior
genetics
obesogenic envorni
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what are the 6 factors of an obesogenic environment
accessibility to food
increased snack consumption
food budget allotment
portion sizes
labor saving devices
increased sedentary behaviors
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what are the potential complications of obesity
comorbidites like cancers, osteoarthiritis, hypertension
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what are the 5 stages of change under the transtheoretical model
what stages should the client not be in to receive effective counseling
pre contemplatin and conteplation
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what is the dif. b/w ideal and reality of treatment
ideal-m healthy bmi (18.5-24.9)
reality- sustain a weight loss that is 3-5%of initial body weight
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A sustained weight loss of 3-5% will decrease the risk of what parameters?
death idk
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16\. How is prevention of additional weight gain an active intervention?
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17\. Know the 3 parts of the lifestyle approach for weight management.
change diet, PA, behaviour change
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18\. What does the NIH recommend for weight loss with respect to a low calorie diet (LCD)?
men- 1500-1800 cal/day
women- 1200-1500 cal/day
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19\. What is a VLCD?
800 cal/day
supervised liquid diet
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20\. In regards to the types of macronutrient diets, what does the research suggest about the best outcome for weight loss?
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21\. What does the research suggest about the effectiveness of portion control, eating frequency, breakfast, eliminating SSB and meal replacements in terms of weight loss?
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22\. Know the benefits of exercise.
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23\. Know the optimal recommendation for maintaining weight loss.
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. Know and understand the following behavior modification strategies: self-monitoring, goal setting, stimulus control and problem solving