Bio45-nutrition and diet assessment
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what is nutrition assessment?
a comprehensive analysis of a person's nutritional status that uses health, socioeconomic, drug and diet history.
what is the spectrum of nutrition assessment?
anthropometric measurements, physical examinations and laboratory tests
what is malnutrition?
when a person does not get enough or too much of a nutrient or energy
what is subclinical covert?
subclinical covert is a hidden deficiency in the early stages before the outward signs have appeared.
what is clinical overt deficiency?
the physical signs and symptoms of deficiency. This occurs after subclinical covert deficiency react their limit
what is primary deficiency?
a nutrient deficiency caused by inadequate intake of nutrients. Caused by person not consuming foods
define secondary deficiency
a nutrient deficiency caused by a disease or condition in an individual. People cannot control deficiency
what are the 4 tools of nutrition assessment?
2-physical (clinical) examination
define anthropometric measurements
relating to physical measurements of the body such as height, weight, waist and body fat. Its a tool used for an individuals nutrition assessment
define physical examination
a method utilized by nurse or doctor to visually assess the physical appearance of the body
how are laboratory test used as a tool of nutrition assessment?
by testing nutrients, metabolite of the nutrient and transport protein of the nutrients in blood or urine. its useful for uncovering early signs of malnutrition before symptoms appear
what does historical information cover in nutrition assessment of individuals?
- health history
- drug history
- socioeconomic history
- diet history
what are the techniques for obtaining a diet history?
how is a population's nutrition assessment conducted?
its conducted in four ways
what is NHANES
The National Health and Nutrition Examination Survey (NHANES) is a program of studies designed to assess the health and nutritional status of adults and children in the United States. The survey is unique in that it combines interviews and physical examinations.
how does NHANES gather information and what kind of information does it yield?
it gathers information using interviews and physical exams. Collected data shows nutrition related conditions such as growth retardation,heart disease and malnutrition
what does "what we eat in america" refer to?
it refers to how american's have changed their diet in the last 40 years. We eat more at fast foods with larger portions, more energy dense foods and nutrient poor foods which has resulted in general population obesity
what is "healthy people?"
its a national public health initiative under the department of health and human services that identifies threats to health and focuses effort to eliminate them
what does AMDR stand for?
what is AMRD?
the composition of three energy yielding nutrients (Carbs, Lipids and proteins ) that provide adequate energy and nutrients which also reduces the risk of chronic disease
what are the three energy-yielding nutrients in AMRD and what are their percent composition?
1-Carbs at 45-65% of Kcals
2-Lipids at 20-35% of Kcals
3-Proteins at 10-35% of Kcals
what does DRI stand for?
Dietary Reference Intakes
a set of nutrient intake values for healthy people in the US and Canada.
What is the DRI used for?
values are used for planning and assessing diets
what are the values that make up the DRI?
1-EAR, Estimated Average Requirements
2-RDA, Recommended Dietary Allowances
3-AI, Adequate Intake
4-UL, Tolerable Upper Intake Levels
Estimated Average Requirement
is the average daily amount of a nutrient that will maintain a specific biochemical or physiological function in half the healthy people in a giver age and gender group
Recommended Daily Allowance
Is the average daily amount of a nutrient considered adequate to meet the known nutrient needs of practically all healthy people
Is the average daily amount of a nutrient that appears sufficient to maintain a specified criterion, a value used as guide for nutrient intake when a RDA cannot be determined
Tolerable Upper Intake Level
Is the maximum daily amount of nutrient that appears safe for most healthy people, used when a RDA cannot be determined
when is RDA utilized?
when setting a goal for dietary intake by individuals
when is AI utilized?
when a RDA cannot be determined such as not having enough 411 on calcium intake. AI reflects the amount of nutrient that a group of healthy people consumes
from 1 to 5. one being low danger of deficiency to 5 being high danger to toxicity where do DRIs rank?
- EAR is 2 on danger of deficiency
- RDA or AI is 3 on safe nutrient intake
- UL is 4 on high danger of nutrient toxicity
what is the relationship between EAR and RDA?
EAR meets nutritional needs of half of healthy people, its sort of the minimum intake while RDA is covers the nutrition adequate for most healthy people
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