Lecture 1 Flashcards
What are the 6 classes of nutrients?
Carbohydrates Fats Proteins Vitamins Minerals Water
What are the 5 major food groups?
Fruits Vegetables Protein Grains Dairy
How much of your plate should be fruit and vegetables?
1/2
How many of your grains should be whole grains?
1/2
What is a DRI?
Dietary Reference Intake
What does a DRI tell you?
How much of each nutrient you need to consume to maintain good health, prevent chronic disease, and avoid unhealthy excess
What is the highest amount of a nutrient that is unlikely to cause harm if consumed daily?
Tolerable Upper Limit
What is based on EAR, but set high. The average amount of a nutrient that meets the needs of nearly all individuals?
Recommended Dietary Allowance
What is adequate intake?
The next best scientific estimate of amount of nutrient needed to maintain good health if you can’t determine EAR and RDA
What are the 5 criteria for metabolic syndrome?
- Large waist circumference
- Hypertension
- Elevated blood triglycerides
- Blood cholesterol (low HDL)
- Impaired fasting blood glucose
What does waist circumference have to be above for metabolic syndrome (men and women)?
> 40 inches men
>35 inches women
What is hypertension classified for metabolic syndrome?
> 130 mm hg systolic or >85 mm Hg diastolic
Or treatment for HTN
What are the requirements for elevated blood triglycerides for metabolic syndrome?
> 150 mg/dL or drug therapy for elevated TG
What is the requirements for blood cholesterol (low HDL) for metabolic syndrome?
< 40 mg/dL men
< 50 mg/dL women
What is the requirement for impaired fasting blood glucose for metabolic syndrome?
> 100 mg/dL or drug treatment for elevated glucose
Someone with high waist circumference are at an increased risk of developing… (4 disorders)?
Type 2 Diabetes
Dyslipidemia
HTN
Cardiovascular disease
How do you calculate BMI?
703 X (weight (lb)/ inches ^2)
What would be a BMI of 30 indicate?
Obesity Class 1
What would a BMI of 35-39.9 indicate?
Obesity Class 2
What would a BMI of 25-29.9 indicate?
Overweight
What would a BMI <18.5 indicate?
Underweight
What is a normal BMI?
18.5-24.9
How do you calculate percent weight change?
[(Usual weight - current weight)/ usual weight] x 100
OR
(Current weight / past weight) -1
For one week, what is a severe weight loss?
only applies to involuntary weight loss
> 2 percent
For a month, what is severe for involuntary weight loss?
> 5 percent
For 3 months, what is considered severe weight loss for involuntary weight loss?
> 7.5%
For 6 months, what is severe weight loss for involuntary weight loss?
> 10 percent
For a year, what is considered a significant weight loss for involuntary weight loss?
> 20 percent
What is a primary problem?
A result of imbalances, inadequacies, excesses
What is a secondary problem?
Primary problem that results in inadequate food intake
How much protein does an unstressed, well-nourished individual need?
0.8 to 1 gm/ kg/ day
How much protein does a post surgery individual need?
1.5 to 2 gm/kg/day
How much does an individual with high catabolism (burns, infection, fever) need?
> 2 gm/kg/day
What’s the difference b/w marasmus and Kwashiorkor?
Kwashiorkor is a severe deficiency of dietary protein, while Marasmus is a deficiency of calories and protein
What albumin levels would you expect to see in a child with Kwashiorkor?
Under 3.5
Is albumin or prealbumin a long term indicator?
Albumin
What are transferrin levels affected by?
Influenced by iron status, calorie and protein intake
When will CRP be elevated?
in times of acute stress or inflammation
How do you calculate ideal body weight for males?
106 for the first 60 inches and 6 lbs for every inch in height > 60 inches
How do you calculate IBW for females?
100 lbs for the first 60 inches + 5 lbs for every inch in height > 60 inches
When do you use adjusted body weight?
If weight is >125% of IBW or for obese individuals
How do you calculate adjusted body weight?
Adj. BW = [(Actual Weight – IBW) x 0.25] + IBW
How do you calculate TEE (total energy expenditure)?
REE (resting energy expenditure) X activity factor
What is Vitamin B1?
Thiamin
What is Vitamin B2?
Riboflavin
What is Vitamin B3?
Niacin
What is Vitamin B6?
Pyridoxine
What is Vitamin B12?
Cyanocobalamin