NUTRITIION DEFS

Question 1

Vitamin A

Answer 1

Wound healing and epithelial regeneration;

diminished activity of helper T cells,

impaired mucous secretion;

retinol-binding protein sensitive to nutritional status of individuals

Cofactor in collagen synthesis and cross linking;
 antioxidant; 
immune stimulation; 
macrophage extravasation; 
mucosal integrity; 
regulation of glycoprotein synthesis

Dermatitis (Cofactor in collagen synthesis and cross linking;
antioxidant; )

night blindness, xerophthalmia,

respiratory ailments (pneumonia, bronchopulmonary dysplasia),

impaired gut epithelial integrity (mucosal integrity)