A patient is having a problem with wound healing. The nurse assesses the patient's tray and finds that only 25% of all meals are eaten. The nurse teaches the patient that protein intake is important for what reasons? (Select all that apply.)
a. It is essential for body tissue growth.
b. It is essential for tissue maintenance.
c. Essential amino acids can only be obtained from dietary sources.
d. It is essential for repair.
e. Negative nitrogen balance is needed for wound healing.
A, B, C, D
Protein provides energy, but because of the essential role of protein in growth, maintenance, and repair, a diet needs to provide adequate kilocalories from nonprotein sources. The body is unable to synthesize some amino acids, such as essential amino acids. The body can only obtain these from daily food sources. The body needs a positive nitrogen balance, not negative, for growth, maintenance of lean muscle mass and vital organs, and wound healing.
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