Nitrogen balance is simply the measure of nitrogen output subtracted from nitrogen input. Therefore, if someone is taking in less nitrogen than they are excreting they are said to be in ‘negative nitrogen balance’.
How does negative nitrogen balance occur?
A negative nitrogen balance may occur during physical or emotional stress, starvation, when an individual is on a very low calorie diet, or when the quality of protein is poor (e.g. when the diet is lacking essential amino acids).
What are some examples of negative nitrogen balance?
Starving, immobilized, and severely ill people, in contrast, break down tissue protein and lose more nitrogen than they take in; they are said to be in negative nitrogen balance.
Who is most likely to have a negative nitrogen balance?
nitrogen excretion > their nitrogen intake: Nitrogen status is negative in people who are starving or suffering other severe stresses such as burns, injuries, infections, and fever.During these times, the body loses nitrogen as it breaks down muscle and other body proteins for energy.
What is negative nitrogen balance quizlet?
def negative nitrogen balance. when the output exceeds the intake of nitrogen.
Which of the following conditions would result in negative nitrogen balance quizlet?
Which of the following conditions would result in negative nitrogen balance? kidney disease.
What is positive negative nitrogen balance?
If more nitrogen (protein) is given to the patient than lost, the patient is considered to be anabolic or “in positive nitrogen balance”. If more nitrogen is lost than given, the patient is considered to be catabolic or “in negative nitrogen balance”.
Does a baby have positive nitrogen balance?
Amino Acids and Nitrogen Compounds
Since their combined nitrogen intake (mainly as protein) more or less equals their nitrogen losses, they are said to be in nitrogen balance. Growing children and adolescents accumulate nitrogen and are therefore said to be in positive nitrogen balance.
Why is the negative nitrogen balance important?
If nitrogen balance is negative, the body will break down its own muscle to meet its most basic, life-sustaining needs. The body will conserve protein for these needs and may not perform other duties, such as healing and immune function, as effectively.
What factors affect nitrogen balance?
Insufficient caloric intake, lack of non-essential nitrogen, potassium depletion, corticosteroid administration, infection or cardiac insufficiency have been found to cause a deterioration of the nitrogen balance and an increase of plasma urea or concentration.
What is positive nitrogen balance quizlet?
Positive nitrogen balance is when protein intake excees protein loss. Individuals growing or recovering, atheletes, pregnant women etc. In negative balance protein losses exceed protein intake.
What can happen if amino acids are oversupplied?
When excessive amounts of amino acids are taken, catabolism by enzymes in the liver and elsewhere is accelerated when intake exceeds requirements. In addition, changes in the free amino acid levels in the brain signal the nervous system centers regulating food consumption, and eating patterns are affected.
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