Why is it safe for steak to be pink in the middle but potentially dangerous for a hamburger not to be cooked all the way through?

Describe three ways in which technology has treat the flu

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?

During polarization,potassium has a blank charge,sodium has a blank ch arge ,and calcium has a b l ank. charge