Mr. bellazono, a fisherman in his late sixties, comes to the clinic to complain of small ulcers on both forearms as well as on his face and ears. although he has had them for several years, he has not had any other problems. what is the likely diagnosis, and what is the likely cause?

Scientists are conducting a study on the effectiveness of a new drug on memory loss. they are giving some of the test subjects the new drug to find out if it improves their long-term memory. which are possible limitations of this study? check all that apply. a) test subjects may want to participate in additional experiments. b) test subjects may think they should be paid more. c) test subjects may get bored and want to quit early. d) test subjects may have to travel during the experiment. e) test subjects may have full-time jobs. this is multiple choice. you for the !