nutrition 1 Flashcards
what are 3 things that can lead to undernutrition
- starvation
- impaired nutrient absorption
- altered metabolism
what are undernutrition deficiency state categorized by
- protein and/or calorie deficiencies
2. single nutrient (ex. vitamin or trace element) deficiencies
how is men’s ideal body weight calculated?
50kg + (2.3 x inches>5 ft)
45.5 kg + (2.3 x inches>5 ft)
who needs to use adjusted body weight formula when calculating body weight?
patients weighing more than 120% of IBW
what is the adjusted body weight formula
((ABW-IBW) x 0.25) + IBW
what serum protein is a good marker for assessing nutritional therapy
prealbumin (has a short half life 2-3 days)
what are the steps to determining nutritional needs
- determining dosing weight
2. determining daily caloric needs
what are 4 factors influencing energy requirements
- basal metabolic expenditure
- physical activity
- stress
- maintenance versus anabolism (replenish)
what does BEE stand for
basal energy expenditure
what are daily protein requirements based on?
- age
- nutritional statue
- disease state
- clinical condition
protein utilization may be increased secondary to what?
stress
why do cirrhosis patients need less protein
they have increased concentration of aromatic amino acids and can lead to encephalopathy
what factors decrease fluid requirements
- heart failure
- ascites
- renal failure
- SIADH
- fluid overload