Which type of brain imaging would be best to observe specific mental functions by studying electromagnetic or metabolic activity in the brain, like blood flow? a. structural imaging (MRI, CT scan, X-ray)
b. functional imaging (PET scan, fMRI)

Opium, methamphetamine, and cocaine are in the united states.

Anurse is assessing a client who is receiving a peripheral iv infusion and notes infiltration the insertion site. which of the following actions should the nurse take? a. flush the iv catherer. b. elevate the extremity. c. apply pressure to the iv site. d. slow the infusion rate.

Anurse is caring for a client who has nicotine use disorder and asks about taking varenicline. the nurse should identify that which of the following conditions is a contraindication for this medication? a. rheumatoid arthritis b. copd c. anorexia nervosa d. major depressive disorder