Answer:
a. proximal tubules because it is where it mostly enters the lumen and its process of transport
Drug A would be under schedule 3 drug it has a high potential for abuse, and dependency such as lorazepam.
Drug B would be under schedule 4 because while having a potential for abuse it is considered less. And may even be available over the counter such as acetaminophen, or aspirin.
Drug C would be under schedule 2 because it has medical purposes but would be easy to become addicted to such as opioids pain killers.
Drug D would be a schedule 1 drug no medical use and causes high rates of addiction such as heroin or meth.
Answer:
It is involved in the formation of the flat bones of the skull, the mandible, and the clavicles.
Open Injury is the answer
Hope this helps!
