I’m not sure that your choices are because it says select all that apply but I would tell the mother to stop giving the baby cows milk. The baby needs more iron which is in breast milk or formula if not she can become anemic and cows milk is not easy to digest for babies.
arsenic
Nitrogen group element, any of the chemical elements that constitute Group 15 (Va) of the periodic table. The group consists of nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), bismuth (Bi), and moscovium (Mc).
The nurse should ensure that the absorption of the child
into his body would be reduced. The nurse should also increase the elimination
or excretion of the toxic being taken by the child and he should provide the
supportive care.
Lichens and algae I believe