I think the flat hard surface is to ensure that the patients arm will not move when the needle is administered since it is usually critical that the needle is inserted in the correct vein which is only a fine target requiring careful positioning of the needle.
<span>Aggression
Good luck!</span>
Nephr/o This is your answer. Hope this helps.
Please give answer choices if your doing plato i know the answer.
Either the contacts are defective or you need a different prescription
