You touch a hot stove and pull your arm back. Is this a negative or positive feedback mechanism? Why? -question from my anatomy and physiology class

C(x)=(2x^2+5x)/(x^3+8) what is maximum c(x)?

Anurse is teaching a newly licensed nurse about safe medication administration. the nurse should instruct that which of the following actions is included in the 6 rights of medication administration? a. verify dosage calculation with a second nurse. b. obtain a current list of the client’s medications. c. document medication prior to administration. d. compare a new prescription with an old prescription.

Anurse is assessing a client who receives monthly injections of cyanocobalamin. which of the following findings indicates a therapeutic effect of the medication? a. absence of hand tremors b. hematocrit 45% c. potassium 3.8 meq/l d. improved appetite