ANSI 3543 Study Guide - Quiz Guide: Vitamin K Deficiency, Vitamin A Deficiency, Yolk
Document Summary
Pb (lead) is absorbed through the gi tract, lungs, and skin. Pb toxicity is the most common cause of accidental death in humans and animals. Pb toxicity affects the kidneys by pathological changes (large amounts of carbohydrates and amino acids secreted in urine) Pb toxicity affects the stomach and small intestine by causing: Petechial hemorrhages loss of myelin cerebrocortical softening (softening of surface area of brain) Reduce pb toxicity by: increasing dietary levels of ca, p, fe, mg, zn and vitamin e feeding a marginal level of protein. Pb toxicity can be aggravated when there is an increase in dietary hg, cd, mo, se, f, and vitamin d. Cd (cadmium) toxicity has specific adverse effects on the testes and kidney. Osteoporosis enlarged joints reduced bone matrix formation. Cd is used widely for production of batteries. Cd toxicity can be reduced by increasing dietary fe and ca. Hg accumulates in the lysosomes and cause their rupture and releasing hydrolytic enzymes.
