How long do water soluble vitamins stay in the body?all are washed out easily from body except for B12 and B9
B12 stored in liver for 3-4 years(depletion will take longer)
☆B9 stored in liver for 3-4 months
→★folate deficiency arises far more quickly biochemistryUWorldUWorld step2CK HirotoShishido
phenylketouria
findingsHypopigmentation involving the skin, hair, eyes, and ☆catecholaminergic brain nuclei (which produce a dark pigment known as neuromelanin) results from the inhibitory effect of excess phenylalanine on melanin synthesis.
cystinuria
pathophysiologya defect in amino acid reabsorption in the ☆proximal tubule that leads to defective reabsorption of cystine, ornithine, lysine, and arginine(COLA)
infertility in cystic fibrosisimproper development of the ☆mesonephric (Wolffian) duct system, which most often leads to a defective vas deferens biochemistry HirotoShishido
which has no neurologic symptoms, folate deficiency, or cobalamin deficiency?folate deficiency has no neurological symptoms biochemistryhematology HirotoShishido
treatment for Wilson disease, hemochromatosisWilson→ chelation with ☆penicillamine
when should children be introduced to complimentary baby foodat 6 months of age
Breast milk contains very little iron, approximately 0.35 mg/liter. After 6 months, most infants’ iron stores have been depleted, so this iron needs to come from complementary foods +/- fortified formula biochemistrypediatrics HirotoShishido
