When neither the person taking the drug nor the person evaluating the effects of the drug knows which people are getting the experimental drug and which people are getting the placebo, this procedure is referred to as a(n) .

Which action is an appropiate immediate response to a flood? a. removing wet clothing b.marking flooodwater levels c.avoding crossing flowing water d.walking, no driving, through water

As you sit in the library with your friend studying for your weekly quiz on the integumentary system, you come upon an article about the hazards of prolonged exposure to the sun's rays. your curious nature leads you to research the subject further. you're fascinated to learn that minimal exposure to the sun allows you skin to manufacture vitamin d, which is important to maintain homeostasis. you also read that although sunscreen can protect you from the ultraviolet (uv) rays of the sun, some medications can actually increase a person's sensitivity to the sunlight.

You are awaiting the white blood cell differential results for a patient who presented with a ruptured appendix and peritonitis. which type of leukocyte do you expect to be most elevated over its normal value?