Lecture 1 Flashcards
When is nutrition screening used?
pt who are at high nutritional risk or have poor nutritional status
Common screening criteria
*history of weight loss
*current need for nutrition support
*presence of skin breakdown
*poor dietary intake
What is the name of the nutrition screening tool?
*Malnutrition screening tool
*Malnutrition universal screening tool
physical sign indicating bulimia
Russel’s sign
Normal BMI
18.5-24.9
Severely underweight BMI
<16
Which population needs the highest energy requirement?
Ill or injured
Basic metabolic rate
the amount of energy used during 24 hour while at complete rest
resting energy expenditure
energy expended in activities necessary to sustain normal body functions and homeostasis
thermic effect of food
increase in energy expenditure associated with consumption, digestion and absorption of food
activity thermogenesis
the energy expended during activities of daily living and the energy expended during sports or exercise
Which equation is most accurate in estimating resting energy expenditure
Mifflin St. Jeor
- not accurate for critically ill patients
What is included in the total energy expenditure
- basal energy expenditure
- thermic effect of food
- activity thermogenesis
What is the gold standard for measuring energy expenditure?
indirect calorimetry
- especially for critically ill
respiratory quotient
volume of co expired/volume of oxygen utilized
