Exam (elaborations)
NS 1410 Exam 4 TTU – Questions & Accurate Answers
- Course
- Institution
NS 1410 Exam 4 TTU – Questions & Accurate Answers
[Show more]
Content preview
NS 1410 Exam 4 TTU – Questions & Accurate Answersunderweight: <18.5
normal: 18.5-24.9
overweight: 25-29.9
obese: 30-39.9
morbid obese: >40 Right Ans - Classifications of BMIs
-not an indication of body composition
-it may overestimate body fat in athletes and others that have a muscular
build
-it may underestimate body fat in older persons and other who have less
muscle/bone mass Right Ans - Limitations to BMIs
Right Ans - Health risks associated with high BMI
-as harmful as obesity Right Ans - Health risks associated with low BMI
-densitometry
-anthropometry
-conductivity
-dual-energy x-ray absorptiometry (DXA)
-near infrared reactance
-bod pod Right Ans - methods to measure body fat and lean muscle mass
densitometry Right Ans - -underwater weighing
-gold standard
-most accurate, but typically only used for research purposes
anthropometry Right Ans - -measurement of skinfold thickness using
skinfold calipers or body circumferences
-least accurate measurement available
-highly dependent on person taking measurement and degree of training
conductivity (bioelectric impedance) Right Ans - -accuracy depends upon
several factors
-current hydration status makes results variable
-least invasive and fairly accurate
,DXA Right Ans - -first developed to measure bone mineral content and
density
-absorption of water, fat mass, and muscle mass differ
-calculated of these body compartments determine % fat
-very accurate assessment of body composition
bod pod Right Ans - -air displacement
-expensive
fat distribution pattern Right Ans - -measured by waist-to-hip ratio and
waist circumference
-apple shaped fat patterning-upper body; men tend to store fat abdominally-
increased risk for chronic disease
-pear shaped fat patterning- lower body; no significant risk for chronic
diseases; women tend to store fat in lower body
abdominal Right Ans - _____ fat increases risk for chronic disease
central obesity Right Ans - risk of death/chronic diseases from all causes
appears to be the highest for individuals with _______ which is defined as:
waist circumference:
>40 in for males
>35 in for females
-basal metabolic rate: 60-75%
-thermic effect of food: 5-10%
-energy cost of physical activity: 15-35% Right Ans - components of energy
expenditure
basal metabolic rate (BMR) Right Ans - -energy expended to maintain basal
(resting) functions of the body
-includes respiration, circulation, maintaining body temp, new cell synthesis,
secretion of hormones, nervous system activity
-primary determinant of this is the amount of lean mass
-more lean body mass, during stress, and periods of growth (childhood and
pregnancy) Right Ans - factors that increase BMR
, -age and during energy restriction (fasting/starvation) Right Ans - factors
that decrease BMR
1-2 lbs per week Right Ans - recommended weight loss rate
-gradual changes in energy intake (500-1000 cal/day deficit)
-regular and appropriate physical activity (30 min/day, 5d/week)
-behavior modification techniques Right Ans - recommendations for
weight loss
-limit fat: <30% of total energy intake
-maintain a balanced diet
-eat 500-1000 extra kcal/day
-eat frequently throughout the day
-avoid tobacco (depresses appetite and increases BMR)
-exercise regularly with resistance training Right Ans - recommendations
for weight gain
-their rise in popularity is rapid (and their decline)
-they have a special appeal or prestige
-they are or at least sound easy
-they relieve the dieter of all responsibilities and decisions
-they distort, or ignore, basic nutrition principles
-they seldom include a full variety of foods
-if it sounds too good to be true it probably is Right Ans - characteristics of
fad diets
leptin Right Ans - -acts to reduce food intake
-produced by body fat and acts to reduce food intake
-less effect of this found in obese
ghrelin Right Ans - -stimulates appetite
-synthesized in the stomach, works on hypothalamus
-increases before a meal and decreases about one hour after eating; levels also
appear to increase after weight loss
-not diminished with obesity
peptide YY (PYY) Right Ans - -decreases appetite
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller LeCrae. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75057 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now