How does the extra dopamine released during drug use affect the brain?

it can alert the user to the harmful effects of the drug.

it can lead to intense cravings for the drug when it is not available.

it can cause the user to feel more pleasure from normal activities.

it can increase the brain's reactions to natural levels of dopamine.

What can evoke feelings of terror and panic

You are assessing an 86-year-old postoperative patient who has an unexpressive, stoic demeanor. when you enter the room, the patient is curled into the fetal position and your assessment reveals that his vital signs are elevated and he is diaphoretic. you ask the patient what his pain level is on a 0-to-10 scale that you explained to the patient prior to surgery. the patient indicates a pain level of “three or so.” you review your pain-management orders and find that all medications are ordered prn. how would you treat this patient's pain?

If you were running a marathon, which type of muscle fibers would be most useful to you? a. slow-twitch b. fast-twitch, type i a c. intermediate-twitch, type ii b d. slow-intermediate twitch, type i b select the best answer from the choices provided. a b c d