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NSC 170C1 EXAM 4 STUDY GUIDE QUESTIONS AND RIGHT ANSWERS 2024 -25
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NSC 170C1 EXAM 4 STUDY GUIDE QUESTIONS AND RIGHT ANSWERS 2024 -25
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NSC 170C1 EXAM 4 STUDY GUIDEQUESTIONS AND RIGHT ANSWERS 2024 -25
BMI,Calculation,,ANS,-,,=(wt(lbs.)/2.2kg)/(ht(in.)/39.4m)^2
BMI,Categories,,ANS,-,,underweight:,<18.5
healthy,weight:,18.5-25
overweight:,25-29.9
obese:,≥30
Disease,Risk,based,on,BMI,,ANS,-,,underweight:,high,risk,of,infection,and,mortality,
over:,increased,risk,of,chronic,diseases,
obese:,50%-100%,risk,of,premature,death
Methods,of,determining,%,body,fat,,ANS,-,,-,Skinfold,thickness,measurements
-,Bioelectrical,impedance
-,Dual-energy,X-ray,absorptiometry,(DXA)
-,Underwater,weighing
-,Air,displacement
Subcutaneous,fat,,ANS,-,,The,fat,sandwiched,between,your,skin,and,muscles.
Visceral,fat,,ANS,-
,,Fat,surrounding,the,organs.,Releases,fatty,acids,,causes,insulin,resistance,,and,increases,LDL,(bad),and,d
ecreases,HDL,(good),cholesterol.,Increases,risk,for,heart,disease,,hypertension,,and,diabetes.
Energy,Balance,,ANS,-
,,The,state,when,energy,intake,and,energy,expenditure,are,equal.,Positive,balance,when,you,consume,mo
re,calories,than,you,expend.,Negative,balance,when,calorie,intake,falls,short,of,needs.
,(1of3),Components,of,Energy,Expenditure:,Body,Mass,Rate,(BMR),,ANS,-
,,Affected,by,age,,gender,,body,size,,genes,,ethnicity,,emotional,and,physical,stress,,thyroid,,hormones,,n
utritional,state,,environmental,temperature,,and,caffeine,and,nicotine,intake.
(1of3),Components,of,Energy,Expenditure:,Thermic,Effect,of,Food,(TEF),,ANS,-
,,Affects,the,body's,energy,needs.,Is,the,number,of,calories,the,body,expends,to,digest,,absorb,,and,proce
ss,food.,Best,results,in,small,frequent,meals,consumed,throughout,the,day,,and,increase,in,fiber,,decreas
ed,refined,grains,in,your,diet.
(1of3),Components,of,Energy,Expenditure:,Physical,Activity,,ANS,-
,,Will,increase,your,energy,needs.,The,more,activity,you,incorporate,,the,more,calories,you,will,need,to,m
eet,your,energy,needs.
Consequences,of,being,overweight,,ANS,-
,,Increased,risk,for:,hypertension,,stroke,,heart,disease,,gallbladder,disease,,Type,2,diabetes,,certain,canc
ers,,sleep,apnea,,osteoarthritis
Appetite,,ANS,-,,Desire,to,eat,(Affects,what,and,when,you,eat)
Hunger,,ANS,-,,A,very,great,need,for,food,,a,severe,lack,of,food,(Affects,what,and,when,you,eat)
Satiety,,ANS,-,,The,feeling,or,condition,of,being,full,after,eating,food.
Genetics,&,Body,Weight,,ANS,-,,-,If,parents,are,overweight,,you,are,at,a,higher,risk,of,developing,obesity.,
-,May,affect,how,calories,are,expended,in,the,body,by,affecting,thermogenesis.
Environmental,Factors,Effects,on,Body,Weight,,ANS,-,,-,Work,More,and,Cook,Less
-,Eat,more,and,more,(wider,variety,foods,,and,bigger,portions)
-,Sit,more,and,move,less
-
Environmental,Stimuli,,ANS,-,,Aromas,,events,,people,,and,the,convenience.,
, Has,contributed,to,the,recent,obesity,epidemic.
Environmental,Issues,,ANS,-,,Socioeconomic,,technology,,and,labor-
saving,devices.,Has,contributed,to,the,recent,obesity,epidemic.
Methods,of,Losing,Weight,Healthfully,,ANS,-
,,Greatest,success,comes,by,applying,all,three:,diet,,physical,activity,,and,behavior,change.,
-,Count,calories
-,More,veggies,,fruit,,and,fiber
-,Include,protein,and,fat,in,your,meals
-,Use,MyPlate
-,Move,to,Lose,(10,000,steps,t,prevent,overweight)
Extreme,measure,for,treating,obesity:,Very,low-calorie,diet,,ANS,-
,,Provide,fewer,than,800,calories,per,day,and,little,carbohydrates,or,fat.,Also,,requires,vitamin,and,minera
l,supplementation,and,medical,supervision.
Extreme,measure,for,treating,obesity:,Weight-loss,medications,,ANS,-,,-
,Sibutramine(Meredia):,suppresses,appetite
-,Orlistat(Xenical,&,Alli):,inhibits,fat,absorption
Extreme,measure,for,treating,obesity:,Gastric,bypass,surgery,,ANS,-
,,•,Stomach,is,stapled,,leaving,a,small,pouch,that,can,expand,to,a,maximum,of,5,ounces
•,Food,leaving,the,stomach,bypasses,the,upper,portion,of,the,small,intestine.
•,Can,experience,deficiencies,of,vitamin,B12,,iron,,and,calcium
Extreme,measure,for,treating,obesity:,Gastric,banding,,ANS,-
,,•,Silicon,band,placed,around,the,top,of,the,stomach,to,create,a,small,pouch,with,a,very,narrow,opening
•,Delays,gastric,emptying
Extreme,measure,for,treating,obesity:,Liposuction,,ANS,-
,,•,Subcutaneous,fat,is,removed,from,the,abdomen,,hips,,or,thighs.
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