Agrandmother brings her 13-year-old grandson to you for evaluation. she noticed last week when he took off his shirt that his breastbone seemed collapsed. he seems embarrassed and tells you that it has been that way for quite awhile. he states he has no symptoms from it and he just tries not to take off his shirt in front of anyone. he denies any shortness of breath, chest pain, or lightheadedness on exertion. his past medical history is unremarkable. he is in sixth grade and just moved in with his grandmother after his father was deployed to the middle east. his mother died several years ago in a car accident. he states that he does not smoke and has never touched alcohol. on examination you see a teenage boy appearing his stated age. on visual examination of his chest you see that the lower portion of the sternum is depressed. auscultation of the lungs and heart are unremarkable.

Acriterion for waiving informed consent is that, when appropriate, subjects are provided additional pertinent information after the study. in which of the following studies would it not be appropriate to provide subjects with information about missing elements of consent: a study in which researchers told students that they would be given a quiz after reading some study materials when the researchers did not intend to use a quiz, but were attempting to focus subjects’ attention on the material.a study in which subjects were told that they performed in the third quartile on an anagram task when in reality students were randomly assigned scores that were not related to their actual performance.a study in which subjects were assigned to study activities based on an undesirable or unflattering physical characteristic as assessed by members of the research team.a study involving decision-making games in which subjects were led to believe that they were interacting with another student in another room, but were actually interacting with a computer programmed to provide consistent responses to all subjects.

Why do all market economies have taxes to support armed forces police forces public schools and at least some form of public transportation?

Samantha is looking for a boyfriend. based on the gender differences explained in this activity, which is she likely to prefer?